[64] | 1 | !! |
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| 2 | !! This module computes diffusion coefficients for continental points. |
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| 3 | !! |
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| 4 | !! @author Marie-Alice Foujols and Jan Polcher |
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[257] | 5 | !! @Version : $Revision: 42 $, $Date: 2011-01-01 21:15:03 +0100 (Sat, 01 Jan 2011) $ |
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[64] | 6 | !! |
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[257] | 7 | !< $HeadURL: http://forge.ipsl.jussieu.fr/orchidee/svn/trunk/ORCHIDEE/src_sechiba/diffuco.f90 $ |
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| 8 | !< $Date: 2011-01-01 21:15:03 +0100 (Sat, 01 Jan 2011) $ |
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| 9 | !< $Author: mmaipsl $ |
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| 10 | !< $Revision: 42 $ |
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[64] | 11 | !! IPSL (2006) |
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| 12 | !! This software is governed by the CeCILL licence see ORCHIDEE/ORCHIDEE_CeCILL.LIC |
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| 13 | !! |
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| 14 | MODULE diffuco |
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| 15 | |
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| 16 | ! modules used : |
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| 17 | USE constantes |
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| 18 | USE qsat_moisture |
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| 19 | USE sechiba_io |
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| 20 | USE ioipsl |
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| 21 | USE pft_parameters |
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| 22 | USE parallel |
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| 23 | ! USE WRITE_FIELD_p |
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| 24 | |
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| 25 | IMPLICIT NONE |
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| 26 | |
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| 27 | ! public routines : |
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| 28 | ! diffuco_main only |
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| 29 | PRIVATE |
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| 30 | PUBLIC :: diffuco_main,diffuco_clear |
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| 31 | |
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| 32 | ! |
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| 33 | ! variables used inside diffuco module : declaration and initialisation |
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| 34 | ! |
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| 35 | LOGICAL, SAVE :: l_first_diffuco = .TRUE. !! Initialisation has to be done one time |
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| 36 | CHARACTER(LEN=80) :: var_name !! To store variables names for I/O |
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| 37 | REAL(r_std), ALLOCATABLE, SAVE, DIMENSION (:,:,:) :: leaf_ci !! intercellular CO2 concentration (ppm) |
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| 38 | REAL(r_std), ALLOCATABLE, SAVE, DIMENSION (:,:) :: rstruct !! architectural resistance |
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| 39 | REAL(r_std), ALLOCATABLE, SAVE, DIMENSION (:) :: raero !! Aerodynamic resistance |
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| 40 | REAL(r_std), ALLOCATABLE, SAVE, DIMENSION (:) :: qsatt !! Surface saturated humidity |
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| 41 | !! Nathalie le 28 mars 2006 - sur proposition de Fred Hourdin, ajout |
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| 42 | !! d'un potentiometre pour regler la resistance de la vegetation ( rveg is now in pft_parameters) |
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| 43 | ! MM |
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| 44 | REAL(r_std), ALLOCATABLE, SAVE, DIMENSION (:) :: wind !! Wind norm |
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| 45 | |
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| 46 | CONTAINS |
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| 47 | |
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| 48 | !! |
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| 49 | !! Main routine for *diffuco* module. |
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| 50 | !! - called only one time for initialisation |
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| 51 | !! - called every time step |
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| 52 | !! - called one more time at last time step for writing _restart_ file |
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| 53 | !! |
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| 54 | !! Algorithm: |
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| 55 | !! - call diffuco_aero for aerodynamic transfer coeficient |
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| 56 | !! - call diffuco_snow for partial beta coefficient : sublimation |
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| 57 | !! - call diffuco_inter for partial beta coefficient : interception for each type of vegetation |
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| 58 | !! - call diffuco_bare for partial beta coefficient : bare soil |
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| 59 | !! - call diffuco_trans for partial beta coefficient : transpiration for each type of vegetation |
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| 60 | !! - call diffuco_comb for alpha and beta coefficient |
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| 61 | !! |
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| 62 | !! @call diffuco_aero |
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| 63 | !! @call diffuco_snow |
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| 64 | !! @call diffuco_inter |
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| 65 | !! @call diffuco_bare |
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| 66 | !! @call diffuco_trans |
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| 67 | !! @call diffuco_comb |
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| 68 | !! |
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| 69 | SUBROUTINE diffuco_main (kjit, kjpindex, dtradia, ldrestart_read, ldrestart_write, index, indexveg, u, v, & |
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| 70 | ! Ajout Nathalie - Juin 2006 - passage q2m/t2m pour calcul Rveget |
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| 71 | ! & zlev, z0, roughheight, temp_sol, temp_air, rau, q_cdrag, qsurf, qair, pb, & |
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| 72 | & zlev, z0, roughheight, temp_sol, temp_air, rau, q_cdrag, qsurf, qair, q2m, t2m, pb, & |
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| 73 | & rsol, evap_bare_lim, evapot, snow, frac_nobio, snow_nobio, totfrac_nobio, & |
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| 74 | & swnet, swdown, ccanopy, humrel, veget, veget_max, lai, qsintveg, qsintmax, assim_param, & |
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| 75 | & vbeta , valpha, vbeta1, vbeta2, vbeta3, vbeta4, vbetaco2, rveget, cimean, rest_id, hist_id, hist2_id) |
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| 76 | |
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| 77 | ! interface description: |
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| 78 | ! input scalar |
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| 79 | INTEGER(i_std), INTENT(in) :: kjit !! Time step number |
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| 80 | INTEGER(i_std), INTENT(in) :: kjpindex !! Domain size |
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| 81 | INTEGER(i_std),INTENT (in) :: rest_id !! _Restart_ file identifier |
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| 82 | INTEGER(i_std),INTENT (in) :: hist_id !! _History_ file identifier |
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| 83 | INTEGER(i_std),INTENT (in) :: hist2_id !! _History_ file 2 identifier |
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| 84 | REAL(r_std), INTENT (in) :: dtradia !! Time step in seconds |
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| 85 | LOGICAL, INTENT(in) :: ldrestart_read !! Logical for restart file to read |
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| 86 | LOGICAL, INTENT(in) :: ldrestart_write !! Logical for restart file to write |
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| 87 | ! input fields |
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| 88 | INTEGER(i_std),DIMENSION (kjpindex), INTENT (in) :: index !! Indeces of the points on the map |
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| 89 | INTEGER(i_std),DIMENSION (kjpindex*nvm), INTENT (in) :: indexveg !! Indeces of the points on the 3D map |
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| 90 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: u !! Lowest level wind speed |
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| 91 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: v !! Lowest level wind speed |
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| 92 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: zlev !! Height of first layer |
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| 93 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: z0 !! Surface roughness |
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| 94 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: roughheight !! Effective height for roughness |
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| 95 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: temp_sol !! Skin temperature in Kelvin |
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| 96 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: temp_air !! Lowest level temperature in Kelvin |
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| 97 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: rau !! Density |
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| 98 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: qsurf !! near surface specific humidity |
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| 99 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: qair !! Lowest level specific humidity |
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| 100 | ! Ajout Nathalie - declaration q2m |
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| 101 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: q2m !! 2m specific humidity |
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| 102 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: t2m !! 2m air temperature |
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| 103 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: snow !! Snow mass |
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| 104 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: pb !! Surface level pressure |
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| 105 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: rsol !! Bare soil evaporation resistance |
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| 106 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: evap_bare_lim !! Beta factor for bare soil evaporation |
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| 107 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: evapot !! Soil Potential Evaporation |
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| 108 | REAL(r_std),DIMENSION (kjpindex,nnobio), INTENT (in) :: frac_nobio !! Fraction of ice,lakes,cities,... |
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| 109 | REAL(r_std),DIMENSION (kjpindex,nnobio), INTENT (in) :: snow_nobio !! Snow on ice,lakes,cities,... |
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| 110 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: totfrac_nobio !! Total fraction of ice+lakes+cities+... |
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| 111 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: swnet !! Net surface short-wave flux |
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| 112 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: swdown !! Down-welling surface short-wave flux |
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| 113 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: ccanopy !! CO2 concentration inside the canopy |
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| 114 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (in) :: veget !! Fraction of vegetation type |
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| 115 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (in) :: veget_max !! Max. fraction of vegetation type (LAI->infty) |
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| 116 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (in) :: lai !! Leaf area index |
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| 117 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (in) :: qsintveg !! Water on vegetation due to interception |
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| 118 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (in) :: qsintmax !! Maximum water on vegetation for interception |
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| 119 | REAL(r_std),DIMENSION (kjpindex,nvm,npco2), INTENT (in):: assim_param !! min+max+opt temps, vcmax, vjmax for photosynthesis |
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| 120 | ! modified fields |
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| 121 | REAL(r_std),DIMENSION (kjpindex, nvm), INTENT (inout) :: humrel !! Moisture stress |
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| 122 | REAL(r_std),DIMENSION (kjpindex), INTENT (inout) :: q_cdrag !! Surface drag ! Aerodynamic conductance |
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| 123 | ! output fields |
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| 124 | REAL(r_std),DIMENSION (kjpindex), INTENT (out) :: vbeta !! Total beta coefficient |
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| 125 | REAL(r_std),DIMENSION (kjpindex), INTENT (out) :: valpha !! Total alpha coefficient |
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| 126 | REAL(r_std),DIMENSION (kjpindex), INTENT (out) :: vbeta1 !! Beta for sublimation |
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| 127 | REAL(r_std),DIMENSION (kjpindex), INTENT (out) :: vbeta4 !! Beta for bare soil evaporation |
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| 128 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (out) :: vbetaco2 !! STOMATE: Beta for CO2 |
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| 129 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (out) :: vbeta2 !! Beta for interception loss |
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| 130 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (out) :: vbeta3 !! Beta for transpiration |
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| 131 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (out) :: rveget !! Surface resistance for the vegetatuon |
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| 132 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (out) :: cimean !! STOMATE: mean intercellular ci (see enerbil) |
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| 133 | ! Local |
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| 134 | ! AJout Nathalie - Juin 2006 |
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| 135 | !! Beta for fraction of wetted foliage that will transpire |
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| 136 | REAL(r_std),DIMENSION (kjpindex,nvm) :: vbeta23 |
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| 137 | |
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| 138 | INTEGER(i_std) :: ilai |
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| 139 | CHARACTER(LEN=4) :: laistring |
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| 140 | |
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| 141 | ! do initialisation if needed |
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| 142 | |
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| 143 | IF (l_first_diffuco) THEN |
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| 144 | |
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| 145 | !Config Key = CDRAG_FROM_GCM |
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| 146 | !Config Desc = Keep cdrag coefficient from gcm. |
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| 147 | !Config Def = TRUE if q_cdrag on initialization is non zero |
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| 148 | !Config Help = Set to .TRUE. if you want q_cdrag coming from GCM. |
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| 149 | !Congig Keep cdrag coefficient from gcm for latent and sensible heat fluxes. |
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| 150 | IF ( ABS(MAXVAL(q_cdrag)) .LE. EPSILON(q_cdrag)) THEN |
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| 151 | ldq_cdrag_from_gcm = .FALSE. |
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| 152 | ELSE |
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| 153 | ldq_cdrag_from_gcm = .TRUE. |
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| 154 | ENDIF |
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| 155 | !MM q_cdrag is always 0 on initialization ?? |
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| 156 | CALL getin_p('CDRAG_from_GCM', ldq_cdrag_from_gcm) |
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| 157 | |
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| 158 | WRITE(numout,*) "ldq_cdrag_from_gcm = ",ldq_cdrag_from_gcm |
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| 159 | |
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| 160 | IF (long_print) WRITE (numout,*) ' call diffuco_init ' |
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| 161 | |
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| 162 | ! If cdrag is |
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| 163 | CALL diffuco_init(kjit, ldrestart_read, kjpindex, index, rest_id, q_cdrag) |
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| 164 | |
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| 165 | RETURN |
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| 166 | |
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| 167 | ENDIF |
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| 168 | ! |
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| 169 | ! prepares restart file for the next simulation |
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| 170 | ! |
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| 171 | IF (ldrestart_write) THEN |
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| 172 | |
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| 173 | IF (long_print) WRITE (numout,*) ' we have to complete restart file with DIFFUCO variables ' |
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| 174 | |
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| 175 | var_name= 'rstruct' |
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| 176 | CALL restput_p (rest_id, var_name, nbp_glo, nvm, 1, kjit, rstruct, 'scatter', nbp_glo, index_g) |
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| 177 | |
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| 178 | var_name= 'raero' |
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| 179 | CALL restput_p (rest_id, var_name, nbp_glo, 1, 1, kjit, raero, 'scatter', nbp_glo, index_g) |
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| 180 | |
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| 181 | var_name= 'qsatt' |
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| 182 | CALL restput_p (rest_id, var_name, nbp_glo, 1, 1, kjit, qsatt, 'scatter', nbp_glo, index_g) |
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| 183 | |
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| 184 | ! the following variable is written only if CO2 was calculated |
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| 185 | IF ( control%ok_co2 ) THEN |
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| 186 | |
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| 187 | DO ilai = 1, nlai |
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| 188 | |
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| 189 | ! variable name is somewhat complicated as ioipsl does not allow 3d variables for the moment... |
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| 190 | write(laistring,'(i4)') ilai |
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| 191 | laistring=ADJUSTL(laistring) |
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| 192 | var_name='leaf_ci_'//laistring(1:LEN_TRIM(laistring)) |
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| 193 | |
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| 194 | CALL restput_p (rest_id, var_name, nbp_glo, nvm, 1, kjit, leaf_ci(:,:,ilai), 'scatter', nbp_glo, index_g) |
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| 195 | |
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| 196 | ENDDO |
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| 197 | |
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| 198 | ENDIF |
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| 199 | |
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| 200 | IF (.NOT.ldq_cdrag_from_gcm) THEN |
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| 201 | var_name= 'cdrag' |
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| 202 | CALL restput_p (rest_id, var_name, nbp_glo, 1, 1, kjit, q_cdrag, 'scatter', nbp_glo, index_g) |
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| 203 | ENDIF |
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| 204 | |
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| 205 | RETURN |
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| 206 | |
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| 207 | END IF |
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| 208 | ! MM |
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| 209 | wind(:) = SQRT (u(:)*u(:) + v(:)*v(:)) |
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| 210 | |
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| 211 | ! |
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| 212 | ! calculs des differents coefficients |
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| 213 | ! |
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| 214 | IF (.NOT.ldq_cdrag_from_gcm) THEN |
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| 215 | CALL diffuco_aero (kjpindex, kjit, u, v, zlev, z0, roughheight, veget_max, temp_sol, temp_air, & |
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| 216 | & qsurf, qair, q_cdrag) |
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| 217 | ENDIF |
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| 218 | CALL diffuco_raerod (kjpindex, u, v, q_cdrag, raero) |
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| 219 | |
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| 220 | ! |
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| 221 | ! An estimation of the satturated humidity at the surface |
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| 222 | ! |
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| 223 | |
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| 224 | CALL qsatcalc (kjpindex, temp_sol, pb, qsatt) |
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| 225 | |
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| 226 | ! |
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| 227 | ! beta coefficient for sublimation |
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| 228 | ! |
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| 229 | |
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| 230 | CALL diffuco_snow (kjpindex, dtradia, qair, qsatt, rau, u, v, q_cdrag, & |
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| 231 | & snow, frac_nobio, totfrac_nobio, snow_nobio, vbeta1) |
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| 232 | |
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| 233 | ! |
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| 234 | ! beta coefficient for interception |
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| 235 | ! |
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| 236 | |
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| 237 | ! Correction Nathalie - Juin 2006 - introduction d'un terme vbeta23 |
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| 238 | !CALL diffuco_inter (kjpindex, dtradia, qair, qsatt, rau, u, v, q_cdrag, veget, & |
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| 239 | ! & qsintveg, qsintmax, rstruct, vbeta2) |
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| 240 | CALL diffuco_inter (kjpindex, dtradia, qair, qsatt, rau, u, v, q_cdrag, veget, & |
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| 241 | & qsintveg, qsintmax, rstruct, vbeta2, vbeta23) |
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| 242 | |
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| 243 | ! |
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| 244 | ! beta coefficient for bare soil |
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| 245 | ! |
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| 246 | CALL diffuco_bare (kjpindex, dtradia, u, v, q_cdrag, rsol, evap_bare_lim, evapot, humrel, veget, vbeta4) |
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| 247 | |
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| 248 | ! |
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| 249 | ! beta coefficient for transpiration |
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| 250 | ! |
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| 251 | |
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| 252 | IF ( control%ok_co2 ) THEN |
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| 253 | |
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| 254 | ! Ajout Nathalie - Juin 2006 - passage q2m/t2m pour calcul Rveget |
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| 255 | ! Correction Nathalie - Juin 2006 - introduction d'un terme vbeta23 |
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| 256 | !CALL diffuco_trans_co2 (kjpindex, dtradia, swdown, temp_air, pb, qair, rau, u, v, q_cdrag, humrel, & |
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| 257 | ! assim_param, ccanopy, & |
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| 258 | ! veget, veget_max, lai, qsintveg, qsintmax, vbeta3, rveget, rstruct, cimean, vbetaco2) |
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| 259 | |
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| 260 | CALL diffuco_trans_co2 (kjpindex, dtradia, swdown, temp_air, pb, qair, q2m, t2m, rau, u, v, q_cdrag, humrel, & |
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| 261 | assim_param, ccanopy, & |
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| 262 | veget, veget_max, lai, qsintveg, qsintmax, vbeta3, rveget, rstruct, cimean, vbetaco2, vbeta23) |
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| 263 | |
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| 264 | ELSE |
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| 265 | |
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| 266 | ! Correction Nathalie - Juin 2006 - introduction d'un terme vbeta23 |
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| 267 | !CALL diffuco_trans (kjpindex, dtradia, swnet, temp_air, pb, qair, rau, u, v, q_cdrag, humrel, & |
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| 268 | ! veget, veget_max, lai, qsintveg, qsintmax, vbeta3, rveget, rstruct, cimean, vbetaco2) |
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| 269 | |
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| 270 | CALL diffuco_trans (kjpindex, dtradia, swnet, temp_air, pb, qair, rau, u, v, q_cdrag, humrel, & |
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| 271 | veget, veget_max, lai, qsintveg, qsintmax, vbeta3, rveget, rstruct, cimean, vbetaco2, vbeta23) |
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| 272 | |
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| 273 | ENDIF |
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| 274 | |
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| 275 | ! |
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| 276 | ! combination of coefficient : alpha and beta coefficient |
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| 277 | ! |
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| 278 | |
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| 279 | ! Ajout qsintmax dans les arguments de la routine.... Nathalie / le 13-03-2006 |
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| 280 | CALL diffuco_comb (kjpindex, dtradia, humrel, rau, u, v, q_cdrag, pb, qair, temp_sol, temp_air, snow, & |
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| 281 | & veget, lai, vbeta1, vbeta2, vbeta3, vbeta4, valpha, vbeta, qsintmax) |
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| 282 | |
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| 283 | IF ( .NOT. almaoutput ) THEN |
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| 284 | CALL histwrite(hist_id, 'rstruct', kjit, rstruct, kjpindex*nvm, indexveg) |
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| 285 | CALL histwrite(hist_id, 'raero', kjit, raero, kjpindex, index) |
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| 286 | ! Ajouts Nathalie - novembre 2006 |
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| 287 | CALL histwrite(hist_id, 'cdrag', kjit, q_cdrag, kjpindex, index) |
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| 288 | CALL histwrite(hist_id, 'Wind', kjit, wind, kjpindex, index) |
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| 289 | ! Fin ajouts Nathalie |
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| 290 | !MM |
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| 291 | CALL histwrite(hist_id, 'qsatt', kjit, qsatt, kjpindex, index) |
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| 292 | |
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| 293 | IF ( hist2_id > 0 ) THEN |
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| 294 | CALL histwrite(hist2_id, 'rstruct', kjit, rstruct, kjpindex*nvm, indexveg) |
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| 295 | CALL histwrite(hist2_id, 'raero', kjit, raero, kjpindex, index) |
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| 296 | CALL histwrite(hist2_id, 'cdrag', kjit, q_cdrag, kjpindex, index) |
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| 297 | CALL histwrite(hist2_id, 'Wind', kjit, wind, kjpindex, index) |
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| 298 | CALL histwrite(hist2_id, 'qsatt', kjit, qsatt, kjpindex, index) |
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| 299 | ENDIF |
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| 300 | ELSE |
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| 301 | |
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| 302 | ENDIF |
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| 303 | ! |
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| 304 | ! |
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| 305 | IF (long_print) WRITE (numout,*) ' diffuco_main done ' |
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| 306 | |
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| 307 | END SUBROUTINE diffuco_main |
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| 308 | |
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| 309 | !! Algorithm: |
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| 310 | !! - dynamic allocation for local array |
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| 311 | !! |
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| 312 | SUBROUTINE diffuco_init(kjit, ldrestart_read, kjpindex, index, rest_id, q_cdrag) |
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| 313 | |
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| 314 | ! interface description |
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| 315 | ! input scalar |
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| 316 | INTEGER(i_std), INTENT (in) :: kjit !! Time step number |
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| 317 | LOGICAL,INTENT (in) :: ldrestart_read !! Logical for restart file to read |
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| 318 | INTEGER(i_std), INTENT (in) :: kjpindex !! Domain size |
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| 319 | INTEGER(i_std),DIMENSION (kjpindex), INTENT (in):: index !! Indeces of the points on the map |
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| 320 | INTEGER(i_std), INTENT (in) :: rest_id !! _Restart_ file identifier |
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| 321 | REAL(r_std),DIMENSION (kjpindex), INTENT (inout) :: q_cdrag !! Surface drag |
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| 322 | ! input fields |
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| 323 | ! output scalar |
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| 324 | ! output fields |
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| 325 | |
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| 326 | ! local declaration |
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| 327 | INTEGER(i_std) :: ier, jv |
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| 328 | INTEGER(i_std) :: ilai |
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| 329 | CHARACTER(LEN=4) :: laistring |
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| 330 | REAL(r_std),DIMENSION (kjpindex) :: temp |
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| 331 | |
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| 332 | ! |
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| 333 | ! initialisation |
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| 334 | ! |
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| 335 | IF (l_first_diffuco) THEN |
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| 336 | l_first_diffuco=.FALSE. |
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| 337 | ELSE |
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| 338 | WRITE (numout,*) ' l_first_diffuco false . we stop ' |
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| 339 | STOP 'diffuco_init' |
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| 340 | ENDIF |
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| 341 | |
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| 342 | ! allocate only if CO2 is calculated |
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| 343 | IF ( control%ok_co2 ) THEN |
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| 344 | |
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| 345 | ALLOCATE (leaf_ci(kjpindex,nvm,nlai),stat=ier) |
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| 346 | IF (ier.NE.0) THEN |
---|
| 347 | WRITE (numout,*) ' error in leaf_ci allocation. We stop. We need kjpindex*nvm*nlai words = ',& |
---|
| 348 | kjpindex*nvm*nlai |
---|
| 349 | STOP 'diffuco_init' |
---|
| 350 | END IF |
---|
| 351 | |
---|
| 352 | ENDIF |
---|
| 353 | |
---|
| 354 | ALLOCATE (rstruct(kjpindex,nvm),stat=ier) |
---|
| 355 | IF (ier.NE.0) THEN |
---|
| 356 | WRITE (numout,*) ' error in rstruct allocation. We stop. We need kjpindex x nvm words = ' ,kjpindex,' x ' ,nvm,& |
---|
| 357 | & ' = ',kjpindex*nvm |
---|
| 358 | STOP 'diffuco_init' |
---|
| 359 | END IF |
---|
| 360 | ALLOCATE (raero(kjpindex),stat=ier) |
---|
| 361 | IF (ier.NE.0) THEN |
---|
| 362 | WRITE (numout,*) ' error in raero allocation. We stop. We need kjpindex x nvm words = ', kjpindex |
---|
| 363 | STOP 'diffuco_init' |
---|
| 364 | END IF |
---|
| 365 | |
---|
| 366 | ALLOCATE (qsatt(kjpindex),stat=ier) |
---|
| 367 | IF (ier.NE.0) THEN |
---|
| 368 | WRITE (numout,*) ' error in qsatt allocation. We stop. We need kjpindex x nvm words = ', kjpindex |
---|
| 369 | STOP 'diffuco_init' |
---|
| 370 | END IF |
---|
| 371 | |
---|
| 372 | ALLOCATE (wind(kjpindex),stat=ier) |
---|
| 373 | IF (ier.NE.0) THEN |
---|
| 374 | WRITE (numout,*) ' error in wind allocation. We stop. We need kjpindex x nvm words = ', kjpindex |
---|
| 375 | STOP 'diffuco_init' |
---|
| 376 | END IF |
---|
| 377 | |
---|
| 378 | IF (ldrestart_read) THEN |
---|
| 379 | |
---|
| 380 | IF (long_print) WRITE (numout,*) ' we have to read a restart file for DIFFUCO variables' |
---|
| 381 | |
---|
| 382 | var_name='rstruct' |
---|
| 383 | CALL ioconf_setatt('UNITS', 's/m') |
---|
| 384 | CALL ioconf_setatt('LONG_NAME','Structural resistance') |
---|
| 385 | CALL restget_p (rest_id, var_name, nbp_glo, nvm, 1, kjit, .TRUE., rstruct, "gather", nbp_glo, index_g) |
---|
| 386 | ! |
---|
| 387 | IF ( MINVAL(rstruct) .EQ. MAXVAL(rstruct) .AND. MAXVAL(rstruct) .EQ. val_exp ) THEN |
---|
| 388 | ! |
---|
| 389 | DO jv = 1, nvm |
---|
| 390 | rstruct(:,jv) = rstruct_const(jv) |
---|
| 391 | ENDDO |
---|
| 392 | |
---|
| 393 | ENDIF |
---|
| 394 | |
---|
| 395 | var_name='raero' ; |
---|
| 396 | CALL ioconf_setatt('UNITS', 's/m') |
---|
| 397 | CALL ioconf_setatt('LONG_NAME','Aerodynamic resistance') |
---|
| 398 | IF ( ok_var(var_name) ) THEN |
---|
| 399 | CALL restget_p (rest_id, var_name, nbp_glo, 1, 1, kjit, .TRUE., temp, "gather", nbp_glo, index_g) |
---|
| 400 | IF (MINVAL(temp) < MAXVAL(temp) .OR. MAXVAL(temp) .NE. val_exp) THEN |
---|
| 401 | raero(:) = temp(:) |
---|
| 402 | ENDIF |
---|
| 403 | ENDIF |
---|
| 404 | ! |
---|
| 405 | var_name='qsatt' ; |
---|
| 406 | CALL ioconf_setatt('UNITS', 'g/g') |
---|
| 407 | CALL ioconf_setatt('LONG_NAME','Surface saturated humidity') |
---|
| 408 | IF ( ok_var(var_name) ) THEN |
---|
| 409 | CALL restget_p (rest_id, var_name, nbp_glo, 1, 1, kjit, .TRUE., temp, "gather", nbp_glo, index_g) |
---|
| 410 | IF (MINVAL(temp) < MAXVAL(temp) .OR. MAXVAL(temp) .NE. val_exp) THEN |
---|
| 411 | qsatt(:) = temp(:) |
---|
| 412 | ENDIF |
---|
| 413 | ENDIF |
---|
| 414 | |
---|
| 415 | ! the following variable is read only if CO2 is calculated |
---|
| 416 | IF ( control%ok_co2 ) THEN |
---|
| 417 | |
---|
| 418 | CALL ioconf_setatt('UNITS', 'ppm') |
---|
| 419 | CALL ioconf_setatt('LONG_NAME','Leaf CO2') |
---|
| 420 | |
---|
| 421 | DO ilai = 1, nlai |
---|
| 422 | |
---|
| 423 | ! variable name is somewhat complicated as ioipsl does not allow 3d variables for the moment... |
---|
| 424 | write(laistring,'(i4)') ilai |
---|
| 425 | laistring=ADJUSTL(laistring) |
---|
| 426 | var_name='leaf_ci_'//laistring(1:LEN_TRIM(laistring)) |
---|
| 427 | |
---|
| 428 | CALL restget_p (rest_id, var_name, nbp_glo, nvm, 1, kjit, .TRUE.,leaf_ci(:,:,ilai), "gather", nbp_glo, index_g) |
---|
| 429 | |
---|
| 430 | ENDDO |
---|
| 431 | ! |
---|
| 432 | !Config Key = DIFFUCO_LEAFCI |
---|
| 433 | !Config Desc = Initial leaf CO2 level if not found in restart |
---|
| 434 | !Config Def = 233. |
---|
| 435 | !Config Help = The initial value of leaf_ci if its value is not found |
---|
| 436 | !Config in the restart file. This should only be used if the model is |
---|
| 437 | !Config started without a restart file. |
---|
| 438 | ! |
---|
| 439 | CALL setvar_p (leaf_ci, val_exp,'DIFFUCO_LEAFCI', 233._r_std) |
---|
| 440 | ENDIF |
---|
| 441 | ! |
---|
| 442 | IF (.NOT.ldq_cdrag_from_gcm) THEN |
---|
| 443 | var_name= 'cdrag' |
---|
| 444 | CALL ioconf_setatt('LONG_NAME','Drag coefficient for LE and SH') |
---|
| 445 | CALL ioconf_setatt('UNITS', '-') |
---|
| 446 | IF ( ok_var(var_name) ) THEN |
---|
| 447 | CALL restget_p (rest_id, var_name, nbp_glo, 1, 1, kjit, .TRUE., temp, "gather", nbp_glo, index_g) |
---|
| 448 | IF (MINVAL(temp) < MAXVAL(temp) .OR. MAXVAL(temp) .NE. val_exp) THEN |
---|
| 449 | q_cdrag(:) = temp(:) |
---|
| 450 | ENDIF |
---|
| 451 | ENDIF |
---|
| 452 | |
---|
| 453 | ENDIF |
---|
| 454 | |
---|
| 455 | ENDIF |
---|
| 456 | |
---|
| 457 | ! |
---|
| 458 | ! Ajouts Nathalie - le 28 Mars 2006 - sur conseils Fred Hourdin |
---|
| 459 | ! |
---|
| 460 | !Config Key = RVEG_PFT |
---|
| 461 | !Config Desc = Artificial parameter to increase or decrease canopy resistance. |
---|
| 462 | !Config Def = 1. |
---|
| 463 | !Config Help = This parameter is set by PFT. |
---|
| 464 | |
---|
[105] | 465 | !!$ CALL getin_p('RVEG_PFT', rveg_pft) |
---|
[64] | 466 | |
---|
| 467 | WRITE(numout,*) 'DANS DIFFUCO_INIT , RVEG_PFT=',rveg_pft |
---|
| 468 | |
---|
| 469 | IF (long_print) WRITE (numout,*) ' diffuco_init done ' |
---|
| 470 | |
---|
| 471 | END SUBROUTINE diffuco_init |
---|
| 472 | |
---|
| 473 | SUBROUTINE diffuco_clear() |
---|
| 474 | |
---|
| 475 | l_first_diffuco=.TRUE. |
---|
| 476 | |
---|
| 477 | IF (ALLOCATED (leaf_ci)) DEALLOCATE (leaf_ci) |
---|
| 478 | IF (ALLOCATED (rstruct)) DEALLOCATE (rstruct) |
---|
| 479 | IF (ALLOCATED (raero)) DEALLOCATE (raero) |
---|
| 480 | |
---|
| 481 | END SUBROUTINE diffuco_clear |
---|
| 482 | |
---|
| 483 | !! This routine computes aerothermic coefficient if required |
---|
| 484 | !! see logical *ldq_cdrag_from_gcm* |
---|
| 485 | !! |
---|
| 486 | SUBROUTINE diffuco_aero (kjpindex, kjit, u, v, zlev, z0, roughheight, veget_max, temp_sol, temp_air, & |
---|
| 487 | & qsurf, qair, q_cdrag) |
---|
| 488 | |
---|
| 489 | ! interface description |
---|
| 490 | ! input scalar |
---|
| 491 | INTEGER(i_std), INTENT(in) :: kjpindex, kjit !! Domain size |
---|
| 492 | ! input fields |
---|
| 493 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: u !! Lowest level wind speed |
---|
| 494 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: v !! Lowest level wind speed |
---|
| 495 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: zlev !! Height of first layer |
---|
| 496 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: z0 !! Surface roughness |
---|
| 497 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: roughheight !! Effective roughness height |
---|
| 498 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (in) :: veget_max !! Fraction of vegetation type |
---|
| 499 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: temp_sol !! Skin temperature in Kelvin |
---|
| 500 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: temp_air !! Lowest level temperature in Kelvin |
---|
| 501 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: qsurf !! near surface specific humidity |
---|
| 502 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: qair !! Lowest level specific humidity |
---|
| 503 | |
---|
| 504 | ! output scalar |
---|
| 505 | ! output fields |
---|
| 506 | REAL(r_std),DIMENSION (kjpindex), INTENT (inout) :: q_cdrag !! Surface drag ! Aerodynamic conductance |
---|
| 507 | |
---|
| 508 | ! local declaration |
---|
| 509 | INTEGER(i_std) :: ji, jv |
---|
| 510 | REAL(r_std) :: speed, zg, zdphi, ztvd, ztvs, zdu2 |
---|
| 511 | REAL(r_std) :: zri, cd_neut, zscf, cd_tmp |
---|
| 512 | |
---|
| 513 | ! initialisation |
---|
| 514 | |
---|
| 515 | ! test if we have to work with q_cdrag or to calcul it |
---|
| 516 | |
---|
| 517 | DO ji=1,kjpindex |
---|
| 518 | ! |
---|
| 519 | ! 1. computes wind speed |
---|
| 520 | ! |
---|
| 521 | speed = wind(ji) |
---|
| 522 | ! |
---|
| 523 | ! 2. computes geopotentiel |
---|
| 524 | ! |
---|
| 525 | zg = zlev(ji) * cte_grav |
---|
| 526 | zdphi = zg/cp_air |
---|
| 527 | ! |
---|
| 528 | ! 3. virtual air temperature at the surface |
---|
| 529 | ! |
---|
| 530 | ztvd = (temp_air(ji) + zdphi / (un + rvtmp2 * qair(ji))) * (un + retv * qair(ji)) |
---|
| 531 | ! |
---|
| 532 | ! 4. virtual surface temperature |
---|
| 533 | ! |
---|
| 534 | ztvs = temp_sol(ji) * (un + retv * qsurf(ji)) |
---|
| 535 | ! |
---|
| 536 | ! 5. squared wind shear |
---|
| 537 | ! |
---|
| 538 | zdu2 = MAX(cepdu2,speed**2) |
---|
| 539 | ! |
---|
| 540 | ! 6. Richardson number |
---|
| 541 | ! |
---|
| 542 | zri = zg * (ztvd - ztvs) / (zdu2 * ztvd) |
---|
| 543 | zri = MAX(MIN(zri,5.),-5.) |
---|
| 544 | ! |
---|
| 545 | ! 7. Computing the drag coefficient |
---|
| 546 | ! We add the add the height of the vegetation to the level height to take into account |
---|
| 547 | ! that the level seen by the vegetation is actually the top of the vegetation. Then we |
---|
| 548 | ! we can subtract the displacement height. |
---|
| 549 | ! |
---|
| 550 | cd_neut = (ct_karman / LOG( (zlev(ji) + roughheight(ji)) / z0(ji) )) ** 2 |
---|
| 551 | ! |
---|
| 552 | ! 7.1 Stable case |
---|
| 553 | ! |
---|
| 554 | IF (zri .GE. zero) THEN |
---|
| 555 | zscf = SQRT(un + cd * ABS(zri)) |
---|
| 556 | cd_tmp=cd_neut/(un + trois * cb * zri * zscf) |
---|
| 557 | ELSE |
---|
| 558 | ! |
---|
| 559 | ! 7.2 Unstable case |
---|
| 560 | ! |
---|
| 561 | zscf = un / (un + trois * cb * cc * cd_neut * SQRT(ABS(zri) * & |
---|
| 562 | & ((zlev(ji) + roughheight(ji)) / z0(ji)))) |
---|
| 563 | cd_tmp=cd_neut * (un - trois * cb * zri * zscf) |
---|
| 564 | ENDIF |
---|
| 565 | |
---|
| 566 | ! dont let it go to low else the surface uncouples |
---|
| 567 | q_cdrag(ji) = MAX(cd_tmp, 1.e-4/MAX(speed,min_wind)) |
---|
| 568 | !! |
---|
| 569 | !! In some situations it might be useful to give an upper limit on the cdrag as well. |
---|
| 570 | !! The line here should then be uncommented. |
---|
| 571 | !! q_cdrag(ji) = MIN(q_cdrag(ji), 0.5/MAX(speed,min_wind)) |
---|
| 572 | |
---|
| 573 | END DO |
---|
| 574 | |
---|
| 575 | IF (long_print) WRITE (numout,*) ' not ldqcdrag_from_gcm : diffuco_aero done ' |
---|
| 576 | |
---|
| 577 | END SUBROUTINE diffuco_aero |
---|
| 578 | |
---|
| 579 | !! This routine computes partial beta coefficient : snow sublimation |
---|
| 580 | !! |
---|
| 581 | SUBROUTINE diffuco_snow (kjpindex, dtradia, qair, qsatt, rau, u, v, q_cdrag, & |
---|
| 582 | & snow, frac_nobio, totfrac_nobio, snow_nobio, vbeta1) |
---|
| 583 | |
---|
| 584 | ! interface description |
---|
| 585 | ! input scalar |
---|
| 586 | INTEGER(i_std), INTENT(in) :: kjpindex !! Domain size |
---|
| 587 | REAL(r_std), INTENT (in) :: dtradia !! Time step in seconds |
---|
| 588 | ! input fields |
---|
| 589 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: qair !! Lowest level specific humidity |
---|
| 590 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: qsatt !! Surface saturated humidity |
---|
| 591 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: rau !! Density |
---|
| 592 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: u !! Lowest level wind speed |
---|
| 593 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: v !! Lowest level wind speed |
---|
| 594 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: q_cdrag !! Surface drag |
---|
| 595 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: snow !! Snow mass |
---|
| 596 | REAL(r_std),DIMENSION (kjpindex,nnobio), INTENT (in) :: frac_nobio !! Fraction of ice,lakes,cities,... |
---|
| 597 | REAL(r_std),DIMENSION (kjpindex,nnobio), INTENT (in) :: snow_nobio !! Snow on ice,lakes,cities,... |
---|
| 598 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: totfrac_nobio!! Total fraction of ice+lakes+cities+... |
---|
| 599 | ! output fields |
---|
| 600 | REAL(r_std),DIMENSION (kjpindex), INTENT (out) :: vbeta1 !! Beta for sublimation |
---|
| 601 | |
---|
| 602 | ! local declaration |
---|
| 603 | REAL(r_std) :: subtest, zrapp, speed, vbeta1_add |
---|
| 604 | INTEGER(i_std) :: ji, jv |
---|
| 605 | |
---|
| 606 | ! |
---|
| 607 | ! 1. beta coefficient for sublimation for snow on vegetation |
---|
| 608 | ! |
---|
| 609 | DO ji=1,kjpindex |
---|
| 610 | ! Fraction of mesh that can sublimate snow |
---|
| 611 | vbeta1(ji) = (un - totfrac_nobio(ji)) * MAX( MIN(snow(ji)/snowcri,un), zero) |
---|
| 612 | ! |
---|
| 613 | ! -- Limitation of sublimation in case of snow amounts smaller than |
---|
| 614 | ! the atmospheric demande. |
---|
| 615 | ! |
---|
| 616 | speed = MAX(min_wind, wind(ji)) |
---|
| 617 | ! |
---|
| 618 | subtest = dtradia * vbeta1(ji) * speed * q_cdrag(ji) * rau(ji) * & |
---|
| 619 | & ( qsatt(ji) - qair(ji) ) |
---|
| 620 | ! |
---|
| 621 | IF ( subtest .GT. zero ) THEN |
---|
| 622 | zrapp = snow(ji) / subtest |
---|
| 623 | IF ( zrapp .LT. un ) THEN |
---|
| 624 | vbeta1(ji) = vbeta1(ji) * zrapp |
---|
| 625 | ENDIF |
---|
| 626 | ENDIF |
---|
| 627 | ! |
---|
| 628 | END DO |
---|
| 629 | |
---|
| 630 | ! |
---|
| 631 | ! 2. add beta coefficient for other surface types. |
---|
| 632 | ! |
---|
| 633 | DO jv = 1, nnobio |
---|
| 634 | !!$ ! |
---|
| 635 | !!$ IF ( jv .EQ. iice ) THEN |
---|
| 636 | !!$ ! |
---|
| 637 | !!$ ! Land ice is of course a particular case |
---|
| 638 | !!$ ! |
---|
| 639 | !!$ DO ji=1,kjpindex |
---|
| 640 | !!$ vbeta1(ji) = vbeta1(ji) + frac_nobio(ji,jv) |
---|
| 641 | !!$ ENDDO |
---|
| 642 | !!$ ! |
---|
| 643 | !!$ ELSE |
---|
| 644 | ! |
---|
| 645 | DO ji=1,kjpindex |
---|
| 646 | ! |
---|
| 647 | vbeta1_add = frac_nobio(ji,jv) * MAX( MIN(snow_nobio(ji,jv)/snowcri,un), zero) |
---|
| 648 | ! |
---|
| 649 | ! -- Limitation of sublimation in case of snow amounts smaller than |
---|
| 650 | ! the atmospheric demand. |
---|
| 651 | ! |
---|
| 652 | speed = MAX(min_wind, wind(ji)) |
---|
| 653 | ! |
---|
| 654 | subtest = dtradia * vbeta1_add * speed * q_cdrag(ji) * rau(ji) * & |
---|
| 655 | & ( qsatt(ji) - qair(ji) ) |
---|
| 656 | ! |
---|
| 657 | IF ( subtest .GT. zero ) THEN |
---|
| 658 | zrapp = snow_nobio(ji,jv) / subtest |
---|
| 659 | IF ( zrapp .LT. un ) THEN |
---|
| 660 | vbeta1_add = vbeta1_add * zrapp |
---|
| 661 | ENDIF |
---|
| 662 | ENDIF |
---|
| 663 | ! |
---|
| 664 | vbeta1(ji) = vbeta1(ji) + vbeta1_add |
---|
| 665 | ! |
---|
| 666 | ENDDO |
---|
| 667 | !!$ ! |
---|
| 668 | !!$ ENDIF |
---|
| 669 | ! |
---|
| 670 | ENDDO |
---|
| 671 | |
---|
| 672 | IF (long_print) WRITE (numout,*) ' diffuco_snow done ' |
---|
| 673 | |
---|
| 674 | END SUBROUTINE diffuco_snow |
---|
| 675 | |
---|
| 676 | !! This routine computes partial beta coefficient : interception for each type of vegetation |
---|
| 677 | !! |
---|
| 678 | ! Nathalie - Juin 2006 - Introduction de vbeta23 |
---|
| 679 | !SUBROUTINE diffuco_inter (kjpindex, dtradia, qair, qsatt, rau, u, v, q_cdrag, veget, & |
---|
| 680 | ! & qsintveg, qsintmax, rstruct, vbeta2) |
---|
| 681 | SUBROUTINE diffuco_inter (kjpindex, dtradia, qair, qsatt, rau, u, v, q_cdrag, veget, & |
---|
| 682 | & qsintveg, qsintmax, rstruct, vbeta2, vbeta23) |
---|
| 683 | |
---|
| 684 | ! interface description |
---|
| 685 | ! input scalar |
---|
| 686 | INTEGER(i_std), INTENT(in) :: kjpindex !! Domain size |
---|
| 687 | REAL(r_std), INTENT (in) :: dtradia !! Time step in seconds |
---|
| 688 | ! input fields |
---|
| 689 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: qair !! Lowest level specific humidity |
---|
| 690 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: qsatt !! Surface saturated humidity |
---|
| 691 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: rau !! Density |
---|
| 692 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: u !! Lowest level wind speed |
---|
| 693 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: v !! Lowest level wind speed |
---|
| 694 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: q_cdrag !! Surface drag |
---|
| 695 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (in) :: veget !! vegetation fraction for each type |
---|
| 696 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (in) :: qsintveg !! Water on vegetation due to interception |
---|
| 697 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (in) :: qsintmax !! Maximum water on vegetation |
---|
| 698 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (in) :: rstruct !! STOMATE: architectural resistance |
---|
| 699 | ! output fields |
---|
| 700 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (out) :: vbeta2 !! Beta for interception loss |
---|
| 701 | ! AJout Nathalie - Juin 2006 |
---|
| 702 | !! Beta for fraction of wetted foliage that will transpire |
---|
| 703 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (out) :: vbeta23 |
---|
| 704 | ! Fin ajout Nathalie |
---|
| 705 | |
---|
| 706 | ! local declaration |
---|
| 707 | INTEGER(i_std) :: ji, jv |
---|
| 708 | REAL(r_std) :: zqsvegrap, ziltest, zrapp, speed |
---|
| 709 | |
---|
| 710 | ! |
---|
| 711 | ! Correction Nathalie - Initialisation des vbeta2x |
---|
| 712 | vbeta2(:,:) = zero |
---|
| 713 | ! Ajout Nathalie - Juin 2006 |
---|
| 714 | vbeta23(:,:) = zero |
---|
| 715 | ! Fin ajout Nathalie |
---|
| 716 | ! |
---|
| 717 | DO jv = 1,nvm |
---|
| 718 | |
---|
| 719 | ! |
---|
| 720 | ! 1. beta coefficient for vegetation interception |
---|
| 721 | ! |
---|
| 722 | |
---|
| 723 | DO ji=1,kjpindex |
---|
| 724 | |
---|
| 725 | IF (veget(ji,jv) .GT. min_sechiba .AND. qsintveg(ji,jv) .GT. zero ) THEN |
---|
| 726 | |
---|
| 727 | zqsvegrap = zero |
---|
| 728 | IF (qsintmax(ji,jv) .GT. min_sechiba ) THEN |
---|
| 729 | zqsvegrap = MAX(zero, qsintveg(ji,jv) / qsintmax(ji,jv)) |
---|
| 730 | END IF |
---|
| 731 | ! |
---|
| 732 | speed = MAX(min_wind, wind(ji)) |
---|
| 733 | ! -- Interception loss: IL |
---|
| 734 | vbeta2(ji,jv) = veget(ji,jv) * zqsvegrap * (un / (un + speed * q_cdrag(ji) * rstruct(ji,jv))) |
---|
| 735 | |
---|
| 736 | ! |
---|
| 737 | ! -- Limitation of IL by the water stored on the leaf. |
---|
| 738 | ! A first approximation of IL is obtained with the old values of |
---|
| 739 | ! qair and qsol_sat: function of temp-sol and pb. (see call of qsatcalc) |
---|
| 740 | ! |
---|
| 741 | ziltest = dtradia * vbeta2(ji,jv) * speed * q_cdrag(ji) * rau(ji) * & |
---|
| 742 | & ( qsatt(ji) - qair(ji) ) |
---|
| 743 | IF ( ziltest .GT. zero ) THEN |
---|
| 744 | zrapp = qsintveg(ji,jv) / ziltest |
---|
| 745 | IF ( zrapp .LT. un ) THEN |
---|
| 746 | ! Ajout Nathalie - Juin 2006 |
---|
[257] | 747 | vbeta23(ji,jv) = MAX(vbeta2(ji,jv) - vbeta2(ji,jv) * zrapp, zero) |
---|
[64] | 748 | ! Fin ajout Nathalie |
---|
| 749 | vbeta2(ji,jv) = vbeta2(ji,jv) * zrapp |
---|
| 750 | ENDIF |
---|
| 751 | ENDIF |
---|
| 752 | END IF |
---|
| 753 | |
---|
| 754 | END DO |
---|
| 755 | |
---|
| 756 | END DO |
---|
| 757 | |
---|
| 758 | IF (long_print) WRITE (numout,*) ' diffuco_inter done ' |
---|
| 759 | |
---|
| 760 | END SUBROUTINE diffuco_inter |
---|
| 761 | |
---|
| 762 | !! This routine computes partial beta coefficient : bare soil |
---|
| 763 | !! |
---|
| 764 | SUBROUTINE diffuco_bare (kjpindex, dtradia, u, v, q_cdrag, rsol, evap_bare_lim, evapot, humrel, veget, vbeta4) |
---|
| 765 | |
---|
| 766 | ! interface description |
---|
| 767 | ! input scalar |
---|
| 768 | INTEGER(i_std), INTENT(in) :: kjpindex !! Domain size |
---|
| 769 | REAL(r_std), INTENT (in) :: dtradia !! Time step in seconds |
---|
| 770 | ! input fields |
---|
| 771 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: u !! Lowest level wind speed |
---|
| 772 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: v !! Lowest level wind speed |
---|
| 773 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: q_cdrag !! Surface drag |
---|
| 774 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: rsol !! resistance for bare soil evaporation |
---|
| 775 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: evap_bare_lim !! Beta factor for bare soil evaporation |
---|
| 776 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: evapot !! Soil Potential Evaporation |
---|
| 777 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (in) :: humrel !! Soil moisture stress |
---|
| 778 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (in) :: veget !! Type of vegetation fraction |
---|
| 779 | ! output fields |
---|
| 780 | REAL(r_std),DIMENSION (kjpindex), INTENT (out) :: vbeta4 !! Beta for bare soil evaporation |
---|
| 781 | |
---|
| 782 | ! local declaration |
---|
| 783 | INTEGER(i_std) :: ji, jv |
---|
| 784 | REAL(r_std) :: speed |
---|
| 785 | |
---|
| 786 | IF ( .NOT. control%hydrol_cwrr ) THEN |
---|
| 787 | DO ji = 1, kjpindex |
---|
| 788 | ! |
---|
| 789 | vbeta4(ji) = zero |
---|
| 790 | ! |
---|
| 791 | ! 1. Soil resistance and beta for bare soil |
---|
| 792 | ! note: veget ( ,1) contains the fraction of bare soil |
---|
| 793 | ! see hydrol module |
---|
| 794 | ! |
---|
| 795 | IF (veget(ji,1) .GE. min_sechiba) THEN |
---|
| 796 | ! |
---|
| 797 | speed = MAX(min_wind, wind(ji)) |
---|
| 798 | ! |
---|
| 799 | ! Correction Nathalie de Noblet - le 27 Mars 2006 |
---|
| 800 | ! Selon recommandation de Frederic Hourdin: supprimer humrel dans formulation vbeta4 |
---|
| 801 | !vbeta4(ji) = veget(ji,1) *humrel(ji,1)* (un / (un + speed * q_cdrag(ji) * rsol(ji))) |
---|
| 802 | ! Nathalie - le 28 mars 2006 - vbeta4 n'etait pas calcule en fonction de |
---|
| 803 | ! rsol mais de rsol_cste * hdry! Dans ce cas inutile de calculer rsol(ji)!! |
---|
| 804 | vbeta4(ji) = veget(ji,1) * (un / (un + speed * q_cdrag(ji) * rsol(ji))) |
---|
| 805 | ! |
---|
| 806 | ENDIF |
---|
| 807 | ! |
---|
| 808 | END DO |
---|
| 809 | ELSE |
---|
| 810 | DO ji = 1, kjpindex |
---|
| 811 | vbeta4(ji) = evap_bare_lim(ji) |
---|
| 812 | END DO |
---|
| 813 | ENDIF |
---|
| 814 | |
---|
| 815 | IF (long_print) WRITE (numout,*) ' diffuco_bare done ' |
---|
| 816 | |
---|
| 817 | END SUBROUTINE diffuco_bare |
---|
| 818 | |
---|
| 819 | !! This routine computes partial beta coefficient : transpiration for each type of vegetation |
---|
| 820 | !! |
---|
| 821 | ! Nathalie - Juin 2006 - introduction de vbeta23 |
---|
| 822 | !SUBROUTINE diffuco_trans (kjpindex, dtradia, swnet, temp_air, pb, qair, rau, u, v, q_cdrag, humrel, & |
---|
| 823 | ! veget, veget_max, lai, qsintveg, qsintmax, vbeta3, rveget, rstruct, cimean, vbetaco2) |
---|
| 824 | SUBROUTINE diffuco_trans (kjpindex, dtradia, swnet, temp_air, pb, qair, rau, u, v, q_cdrag, humrel, & |
---|
| 825 | veget, veget_max, lai, qsintveg, qsintmax, vbeta3, rveget, rstruct, cimean, vbetaco2, vbeta23) |
---|
| 826 | |
---|
| 827 | ! interface description |
---|
| 828 | ! input scalar |
---|
| 829 | INTEGER(i_std), INTENT(in) :: kjpindex !! Domain size |
---|
| 830 | REAL(r_std), INTENT (in) :: dtradia !! Time step in seconds |
---|
| 831 | ! input fields |
---|
| 832 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: swnet !! Short wave net flux in |
---|
| 833 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: temp_air !! Air temperature in Kelvin |
---|
| 834 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: pb !! Lowest level pressure |
---|
| 835 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: qair !! Lowest level specific humidity |
---|
| 836 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: rau !! Density |
---|
| 837 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: u !! Lowest level wind speed |
---|
| 838 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: v !! Lowest level wind speed |
---|
| 839 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: q_cdrag !! Surface drag |
---|
| 840 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (in) :: humrel !! Soil moisture stress |
---|
| 841 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (in) :: veget !! Type of vegetation fraction |
---|
| 842 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (in) :: veget_max !! Max. vegetation fraction (LAI -> infty) |
---|
| 843 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (in) :: lai !! Leaf area index |
---|
| 844 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (in) :: qsintveg !! Water on vegetation due to interception |
---|
| 845 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (in) :: qsintmax !! Maximum water on vegetation |
---|
| 846 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (in) :: rstruct !! STOMATE |
---|
| 847 | ! AJout Nathalie - Juin 2006 |
---|
| 848 | !! Beta for fraction of wetted foliage that will transpire |
---|
| 849 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (in) :: vbeta23 |
---|
| 850 | ! Fin ajout Nathalie |
---|
| 851 | ! output fields |
---|
| 852 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (out) :: vbeta3 !! Beta for Transpiration |
---|
| 853 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (out) :: rveget !! Surface resistance of vegetation |
---|
| 854 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (out) :: cimean !! STOMATE |
---|
| 855 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (out) :: vbetaco2 !! STOMATE |
---|
| 856 | |
---|
| 857 | ! local declaration |
---|
| 858 | INTEGER(i_std) :: ji, jv |
---|
| 859 | REAL(r_std) :: speed |
---|
| 860 | REAL(r_std), DIMENSION(kjpindex) :: zdefconc, zqsvegrap |
---|
| 861 | REAL(r_std), DIMENSION(kjpindex) :: qsatt |
---|
| 862 | |
---|
| 863 | ! |
---|
| 864 | ! 1. Moisture concentration at the leaf level. |
---|
| 865 | ! |
---|
| 866 | CALL qsatcalc (kjpindex, temp_air, pb, qsatt) |
---|
| 867 | zdefconc(:) = rau(:) * MAX( qsatt(:) - qair(:), zero ) |
---|
| 868 | |
---|
| 869 | ! |
---|
| 870 | ! 2. beta coefficient for vegetation transpiration |
---|
| 871 | ! |
---|
| 872 | |
---|
| 873 | DO jv = 1,nvm |
---|
| 874 | |
---|
| 875 | rveget(:,jv) = undef_sechiba |
---|
| 876 | vbeta3(:,jv) = zero |
---|
| 877 | |
---|
| 878 | zqsvegrap(:) = zero |
---|
| 879 | |
---|
| 880 | DO ji = 1, kjpindex |
---|
| 881 | |
---|
| 882 | speed = MAX(min_wind, wind(ji)) |
---|
| 883 | |
---|
| 884 | IF (qsintmax(ji,jv) .GT. min_sechiba) THEN |
---|
| 885 | zqsvegrap(ji) = MAX(zero, qsintveg(ji,jv) / qsintmax(ji,jv)) |
---|
| 886 | ENDIF |
---|
| 887 | |
---|
| 888 | IF ( ( veget(ji,jv)*lai(ji,jv) .GT. min_sechiba ) .AND. & |
---|
| 889 | ( kzero(jv) .GT. min_sechiba ) .AND. & |
---|
| 890 | ( swnet(ji) .GT. min_sechiba ) ) THEN |
---|
| 891 | |
---|
| 892 | rveget(ji,jv) = (( swnet(ji) + rayt_cste ) / swnet(ji) ) & |
---|
| 893 | * ((defc_plus + (defc_mult * zdefconc(ji) )) / kzero(jv)) * (un / lai(ji,jv)) |
---|
| 894 | ! Corrections Nathalie - le 28 mars 2006 - sur conseils Fred Hourdin |
---|
| 895 | ! Introduction d'un potentiometre (rveg_pft) pour regler la somme rveg+rstruct |
---|
| 896 | !vbeta3(ji,jv) = veget(ji,jv) * (un - zqsvegrap(ji)) * humrel(ji,jv) * & |
---|
| 897 | ! (un / (un + speed * q_cdrag(ji) * (rveget(ji,jv) + rstruct(ji,jv)))) |
---|
| 898 | vbeta3(ji,jv) = veget(ji,jv) * (un - zqsvegrap(ji)) * humrel(ji,jv) * & |
---|
| 899 | (un / (un + speed * q_cdrag(ji) * (rveg_pft(jv)*(rveget(ji,jv) + rstruct(ji,jv))))) |
---|
| 900 | ! Fin ajout Nathalie |
---|
| 901 | ! Ajout Nathalie - Juin 2006 |
---|
| 902 | vbeta3(ji,jv) = vbeta3(ji,jv) + MIN( vbeta23(ji,jv), & |
---|
| 903 | veget(ji,jv) * zqsvegrap(ji) * humrel(ji,jv) * & |
---|
| 904 | (un / (un + speed * q_cdrag(ji) * (rveg_pft(jv)*(rveget(ji,jv) + rstruct(ji,jv)))))) |
---|
| 905 | ! Fin ajout Nathalie |
---|
| 906 | |
---|
| 907 | ENDIF |
---|
| 908 | |
---|
| 909 | ENDDO |
---|
| 910 | |
---|
| 911 | ENDDO |
---|
| 912 | |
---|
| 913 | ! STOMATE |
---|
| 914 | cimean(:,:) = zero |
---|
| 915 | vbetaco2(:,:) = zero |
---|
| 916 | |
---|
| 917 | IF (long_print) WRITE (numout,*) ' diffuco_trans done ' |
---|
| 918 | |
---|
| 919 | END SUBROUTINE diffuco_trans |
---|
| 920 | |
---|
| 921 | !! This routine computes partial beta coefficient : transpiration for each type of vegetation |
---|
| 922 | !! STOMATE: this routine now calculates also the assimilation using the Farqhuar & al (1980) formulation |
---|
| 923 | !! |
---|
| 924 | ! Ajout Nathalie - Juin 2006 - passage q2m/t2m pour calcul Rveget |
---|
| 925 | ! Nathalie - Juin 2006 - introduction de vbeta23 |
---|
| 926 | !SUBROUTINE diffuco_trans_co2 (kjpindex, dtradia, swdown, temp_air, pb, qair, rau, u, v, q_cdrag, humrel, & |
---|
| 927 | ! assim_param, ccanopy, & |
---|
| 928 | ! veget, veget_max, lai, qsintveg, qsintmax, vbeta3, rveget, rstruct, cimean, vbetaco2) |
---|
| 929 | SUBROUTINE diffuco_trans_co2 (kjpindex, dtradia, swdown, temp_air, pb, qair, q2m, t2m, rau, u, v, q_cdrag, humrel, & |
---|
| 930 | assim_param, ccanopy, & |
---|
| 931 | veget, veget_max, lai, qsintveg, qsintmax, vbeta3, rveget, rstruct, cimean, vbetaco2, vbeta23) |
---|
| 932 | |
---|
| 933 | ! interface description |
---|
| 934 | ! input scalar |
---|
| 935 | INTEGER(i_std), INTENT(in) :: kjpindex !! Domain size |
---|
| 936 | REAL(r_std), INTENT (in) :: dtradia !! Time step in seconds |
---|
| 937 | ! input fields |
---|
| 938 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: swdown !! Downwelling short wave flux |
---|
| 939 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: temp_air !! Air temperature in Kelvin |
---|
| 940 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: pb !! Lowest level pressure |
---|
| 941 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: qair !! Lowest level specific humidity |
---|
| 942 | ! Ajout Nathalie - Juin 2006 - declaration q2m |
---|
| 943 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: q2m !! 2m specific humidity |
---|
| 944 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: t2m !! 2m air temperature |
---|
| 945 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: rau !! Density |
---|
| 946 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: u !! Lowest level wind speed |
---|
| 947 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: v !! Lowest level wind speed |
---|
| 948 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: q_cdrag !! Surface drag |
---|
| 949 | !! min+max+opt temps, vcmax, vjmax for photosynthesis |
---|
| 950 | REAL(r_std),DIMENSION (kjpindex,nvm,npco2), INTENT (in) :: assim_param |
---|
| 951 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: ccanopy !! STOMATE: CO2 concentration inside the canopy |
---|
| 952 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (in) :: humrel !! Soil moisture stress |
---|
| 953 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (in) :: veget !! Type of vegetation fraction |
---|
| 954 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (in) :: veget_max !! Max. vegetation fraction (LAI -> infty) |
---|
| 955 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (in) :: lai !! Leaf area index |
---|
| 956 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (in) :: qsintveg !! Water on vegetation due to interception |
---|
| 957 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (in) :: qsintmax !! Maximum water on vegetation |
---|
| 958 | ! AJout Nathalie - Juin 2006 |
---|
| 959 | !! Beta for fraction of wetted foliage that will transpire |
---|
| 960 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (in) :: vbeta23 |
---|
| 961 | ! Fin ajout Nathalie |
---|
| 962 | ! output fields |
---|
| 963 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (out) :: vbeta3 !! Beta for Transpiration |
---|
| 964 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (out) :: rveget !! Surface resistance of vegetation |
---|
| 965 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (out) :: rstruct !! STOMATE |
---|
| 966 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (out) :: cimean !! STOMATE |
---|
| 967 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (out) :: vbetaco2 !! STOMATE |
---|
| 968 | |
---|
| 969 | ! local declaration |
---|
| 970 | REAL(r_std),DIMENSION (kjpindex,nvm) :: vcmax |
---|
| 971 | REAL(r_std),DIMENSION (kjpindex,nvm) :: vjmax |
---|
| 972 | REAL(r_std),DIMENSION (kjpindex,nvm) :: tmin |
---|
| 973 | REAL(r_std),DIMENSION (kjpindex,nvm) :: topt |
---|
| 974 | REAL(r_std),DIMENSION (kjpindex,nvm) :: tmax |
---|
| 975 | INTEGER(i_std) :: ji, jv, jl |
---|
| 976 | REAL(r_std), DIMENSION(kjpindex) :: leaf_ci_lowest |
---|
| 977 | INTEGER(i_std), DIMENSION(kjpindex) :: ilai |
---|
| 978 | REAL(r_std), DIMENSION(kjpindex) :: zqsvegrap |
---|
| 979 | REAL(r_std) :: speed |
---|
| 980 | ! STOMATE: |
---|
| 981 | LOGICAL, DIMENSION(kjpindex) :: assimilate, calculate |
---|
| 982 | INTEGER(i_std) :: nic,inic,icinic |
---|
| 983 | INTEGER(i_std), DIMENSION(kjpindex) :: index_calc |
---|
| 984 | INTEGER(i_std) :: nia,inia,nina,inina,iainia |
---|
| 985 | INTEGER(i_std), DIMENSION(kjpindex) :: index_assi,index_non_assi |
---|
| 986 | REAL(r_std), DIMENSION(kjpindex) :: vc2, vj2 |
---|
| 987 | REAL(r_std), DIMENSION(kjpindex) :: assimi |
---|
| 988 | REAL(r_std) :: x_1,x_2,x_3,x_4,x_5,x_6 |
---|
| 989 | REAL(r_std), DIMENSION(kjpindex) :: gstop, gs |
---|
| 990 | REAL(r_std), DIMENSION(kjpindex) :: Kc, Ko, CP |
---|
| 991 | REAL(r_std), DIMENSION(kjpindex) :: vc, vj |
---|
| 992 | REAL(r_std), DIMENSION(kjpindex) :: kt, rt |
---|
| 993 | REAL(r_std), DIMENSION(kjpindex) :: air_relhum |
---|
| 994 | REAL(r_std), DIMENSION(kjpindex) :: water_lim, temp_lim |
---|
| 995 | REAL(r_std), DIMENSION(kjpindex) :: gstot |
---|
| 996 | REAL(r_std), DIMENSION(kjpindex) :: assimtot |
---|
| 997 | REAL(r_std), DIMENSION(kjpindex) :: leaf_gs_top !! stomatal conductance at topmost level |
---|
| 998 | REAL(r_std), DIMENSION(nlai+1) :: laitab !! tabulated LAI steps |
---|
| 999 | REAL(r_std), DIMENSION(kjpindex) :: qsatt |
---|
| 1000 | REAL(r_std), DIMENSION(nvm,nlai) :: light !! fraction of light that gets through |
---|
| 1001 | REAL(r_std), DIMENSION(kjpindex) :: ci_gs |
---|
| 1002 | REAL(r_std) :: cresist !! coefficient for resistances |
---|
| 1003 | ! |
---|
| 1004 | ! calculate LAI steps |
---|
| 1005 | ! |
---|
| 1006 | DO jl = 1, nlai+1 |
---|
[257] | 1007 | laitab(jl) = laimax*(EXP(lai_level_depth*REAL(jl-1,r_std))-1.)/(EXP(lai_level_depth*REAL(nlai,r_std))-un) |
---|
[64] | 1008 | ENDDO |
---|
| 1009 | ! |
---|
| 1010 | ! calculate light fraction that comes through at a given LAI for each vegetation type |
---|
| 1011 | ! |
---|
| 1012 | DO jl = 1, nlai |
---|
| 1013 | ! |
---|
| 1014 | DO jv = 1, nvm |
---|
| 1015 | ! |
---|
| 1016 | light(jv,jl) = exp( -ext_coeff(jv)*laitab(jl) ) |
---|
| 1017 | ! |
---|
| 1018 | ENDDO |
---|
| 1019 | ! |
---|
| 1020 | ENDDO |
---|
| 1021 | ! |
---|
| 1022 | ! 1. Photosynthesis parameters |
---|
| 1023 | ! |
---|
| 1024 | ! |
---|
| 1025 | ! temperatures in K |
---|
| 1026 | ! |
---|
| 1027 | tmin(:,:) = assim_param(:,:,itmin) |
---|
| 1028 | tmax(:,:) = assim_param(:,:,itmax) |
---|
| 1029 | topt(:,:) = assim_param(:,:,itopt) |
---|
| 1030 | ! |
---|
| 1031 | vcmax(:,:) = assim_param(:,:,ivcmax) |
---|
| 1032 | vjmax(:,:) = assim_param(:,:,ivjmax) |
---|
| 1033 | ! |
---|
| 1034 | ! estimation of relative humidity of the air |
---|
| 1035 | ! |
---|
| 1036 | ! correction Nathalie, on utilise q2m/t2m au lieu de qair - Juin 2006 |
---|
| 1037 | ! CALL qsatcalc (kjpindex, temp_air, pb, qsatt) |
---|
| 1038 | ! air_relhum(:) = & |
---|
| 1039 | ! ( qair(:) * pb(:) / (0.622+qair(:)*0.378) ) / & |
---|
| 1040 | ! ( qsatt(:)*pb(:) / (0.622+qsatt(:)*0.378 ) ) |
---|
| 1041 | CALL qsatcalc (kjpindex, t2m, pb, qsatt) |
---|
| 1042 | air_relhum(:) = & |
---|
| 1043 | ( q2m(:) * pb(:) / (Tetens_1+q2m(:)* Tetens_2) ) / & |
---|
| 1044 | ( qsatt(:)*pb(:) / (Tetens_1+qsatt(:)*Tetens_2 ) ) |
---|
| 1045 | ! |
---|
| 1046 | DO jv = 1,nvm |
---|
| 1047 | ! |
---|
| 1048 | ! 2. beta coefficient for vegetation transpiration |
---|
| 1049 | ! |
---|
| 1050 | rstruct(:,jv) = rstruct_const(jv) |
---|
| 1051 | rveget(:,jv) = undef_sechiba |
---|
| 1052 | ! |
---|
| 1053 | vbeta3(:,jv) = zero |
---|
| 1054 | vbetaco2(:,jv) = zero |
---|
| 1055 | ! |
---|
| 1056 | cimean(:,jv) = ccanopy(:) |
---|
| 1057 | ! |
---|
| 1058 | ! mask that contains points where there is photosynthesis |
---|
| 1059 | ! |
---|
| 1060 | nia=0 |
---|
| 1061 | nina=0 |
---|
| 1062 | ! |
---|
| 1063 | DO ji=1,kjpindex |
---|
| 1064 | ! |
---|
| 1065 | IF ( ( lai(ji,jv) .GT. 0.01 ) .AND. & |
---|
| 1066 | ( veget_max(ji,jv) .GT. 1.E-8 ) ) THEN |
---|
| 1067 | IF ( ( veget(ji,jv) .GT. 1.E-8 ) .AND. & |
---|
| 1068 | ( swdown(ji) .GT. min_sechiba ) .AND. & |
---|
| 1069 | ( temp_air(ji) .GT. tmin(ji,jv) ) .AND. & |
---|
| 1070 | ( temp_air(ji) .LT. tmax(ji,jv) ) .AND. & |
---|
| 1071 | ( humrel(ji,jv) .GT. min_sechiba ) ) THEN |
---|
| 1072 | ! |
---|
| 1073 | assimilate(ji) = .TRUE. |
---|
| 1074 | nia=nia+1 |
---|
| 1075 | index_assi(nia)=ji |
---|
| 1076 | ! |
---|
| 1077 | ELSE |
---|
| 1078 | ! |
---|
| 1079 | assimilate(ji) = .FALSE. |
---|
| 1080 | nina=nina+1 |
---|
| 1081 | index_non_assi(nina)=ji |
---|
| 1082 | ! |
---|
| 1083 | ENDIF |
---|
| 1084 | ELSE |
---|
| 1085 | ! |
---|
| 1086 | assimilate(ji) = .FALSE. |
---|
| 1087 | nina=nina+1 |
---|
| 1088 | index_non_assi(nina)=ji |
---|
| 1089 | ! |
---|
| 1090 | ENDIF |
---|
| 1091 | ! |
---|
| 1092 | ENDDO |
---|
| 1093 | ! |
---|
| 1094 | gstot(:) = zero |
---|
| 1095 | assimtot(:) = zero |
---|
| 1096 | ! |
---|
| 1097 | zqsvegrap(:) = zero |
---|
| 1098 | WHERE (qsintmax(:,jv) .GT. min_sechiba) |
---|
| 1099 | zqsvegrap(:) = MAX(zero, qsintveg(:,jv) / qsintmax(:,jv)) |
---|
| 1100 | ENDWHERE |
---|
| 1101 | ! |
---|
| 1102 | WHERE ( assimilate(:) ) |
---|
[257] | 1103 | water_lim(:) = MIN( 2.*humrel(:,jv), un ) |
---|
[64] | 1104 | ENDWHERE |
---|
| 1105 | ! give a default value of ci for all pixel that do not assimilate |
---|
| 1106 | DO jl=1,nlai |
---|
| 1107 | DO inina=1,nina |
---|
| 1108 | leaf_ci(index_non_assi(inina),jv,jl) = ccanopy(index_non_assi(inina)) * std_ci_frac |
---|
| 1109 | ENDDO |
---|
| 1110 | ENDDO |
---|
| 1111 | ! |
---|
| 1112 | ilai(:) = 1 |
---|
| 1113 | ! |
---|
| 1114 | ! Here is calculated photosynthesis (Farqhuar et al. 80) |
---|
| 1115 | ! and stomatal conductance (Ball & al. 86) |
---|
| 1116 | ! |
---|
| 1117 | ! Calculating temperature dependent parameters |
---|
| 1118 | ! |
---|
| 1119 | IF ( is_c4(jv) ) THEN |
---|
| 1120 | ! |
---|
| 1121 | ! Case of C4 plants |
---|
| 1122 | ! |
---|
| 1123 | IF (nia .GT. 0) then |
---|
| 1124 | !OCL NOVREC |
---|
| 1125 | DO inia=1,nia |
---|
| 1126 | ! |
---|
| 1127 | x_1 = x1_coef * EXP( x1_Q10*(temp_air(index_assi(inia))-tp_00) ) |
---|
| 1128 | ! = 2.0**(((temp_air(index_assi(inia))-tp_00)-25.0)/10.0) |
---|
| 1129 | ! |
---|
| 1130 | kt(index_assi(inia)) = kt_coef * x_1 * 1.e6 |
---|
| 1131 | rt(index_assi(inia)) = rt_coef(1)* x_1 / & |
---|
| 1132 | ( 1.0 + EXP(rt_coef(2)*(temp_air(index_assi(inia))-tmax(index_assi(inia),jv))) ) |
---|
| 1133 | ! |
---|
| 1134 | vc(index_assi(inia)) = vcmax(index_assi(inia),jv) & |
---|
| 1135 | * vc_coef(1) * x_1 * water_lim(index_assi(inia)) / & |
---|
| 1136 | ! * 0.39 * x_1 / & |
---|
| 1137 | ( (1.0+EXP(vc_coef(2)*(tmin(index_assi(inia),jv)-temp_air(index_assi(inia))))) & |
---|
| 1138 | * (1.0+EXP(vc_coef(2)*(temp_air(index_assi(inia))-topt(index_assi(inia),jv)))) ) |
---|
| 1139 | ! |
---|
| 1140 | ENDDO |
---|
| 1141 | ENDIF |
---|
| 1142 | ! |
---|
| 1143 | IF (nina .GT. 0) then |
---|
| 1144 | ! |
---|
| 1145 | !OCL NOVREC |
---|
| 1146 | DO inina=1,nina |
---|
| 1147 | ! |
---|
| 1148 | kt(index_non_assi(inina)) = zero |
---|
| 1149 | rt(index_non_assi(inina)) = zero |
---|
| 1150 | vc(index_non_assi(inina)) = zero |
---|
| 1151 | ! |
---|
| 1152 | ENDDO |
---|
| 1153 | ! |
---|
| 1154 | ENDIF |
---|
| 1155 | ! |
---|
| 1156 | ELSE |
---|
| 1157 | ! |
---|
| 1158 | ! Case of C3 plants |
---|
| 1159 | ! |
---|
| 1160 | IF (nia .GT. 0) then |
---|
| 1161 | ! |
---|
| 1162 | !OCL NOVREC |
---|
| 1163 | DO inia=1,nia |
---|
| 1164 | ! |
---|
| 1165 | temp_lim(index_assi(inia)) = & |
---|
| 1166 | (temp_air(index_assi(inia))-tmin(index_assi(inia),jv)) * & |
---|
| 1167 | (temp_air(index_assi(inia))-tmax(index_assi(inia),jv)) |
---|
| 1168 | temp_lim(index_assi(inia)) = temp_lim(index_assi(inia)) / & |
---|
| 1169 | (temp_lim(index_assi(inia))-(temp_air(index_assi(inia))-& |
---|
| 1170 | topt(index_assi(inia),jv))**2) |
---|
| 1171 | ! |
---|
| 1172 | Kc(index_assi(inia)) = kc_coef * EXP(Ko_Q10*(temp_air(index_assi(inia))-tp_00)) |
---|
| 1173 | ! |
---|
| 1174 | Ko(index_assi(inia)) = Ko_coef * Oa & |
---|
| 1175 | * EXP(Ko_Q10*(temp_air(index_assi(inia))-tmin(index_assi(inia),jv))) / & |
---|
| 1176 | (temp_air(index_assi(inia))-tmin(index_assi(inia),jv)) |
---|
| 1177 | ! |
---|
| 1178 | CP(index_assi(inia)) = CP_0 * EXP( CP_temp_coef *(temp_air(index_assi(inia))-tp_00 - CP_temp_ref)/& |
---|
| 1179 | temp_air(index_assi(inia)) ) |
---|
| 1180 | ! |
---|
| 1181 | vc(index_assi(inia)) = vcmax(index_assi(inia),jv) * & |
---|
| 1182 | temp_lim(index_assi(inia)) * water_lim(index_assi(inia)) |
---|
| 1183 | ! temp_lim(index_assi(inia)) |
---|
| 1184 | vj(index_assi(inia)) = vjmax(index_assi(inia),jv) * & |
---|
| 1185 | temp_lim(index_assi(inia)) * water_lim(index_assi(inia)) |
---|
| 1186 | ! temp_lim(index_assi(inia)) |
---|
| 1187 | ! |
---|
| 1188 | ENDDO |
---|
| 1189 | ! |
---|
| 1190 | ENDIF |
---|
| 1191 | ! |
---|
| 1192 | IF (nina .GT. 0) then |
---|
| 1193 | ! |
---|
| 1194 | !OCL NOVREC |
---|
| 1195 | DO inina=1,nina |
---|
| 1196 | ! |
---|
| 1197 | temp_lim(index_non_assi(inina)) = zero |
---|
| 1198 | Kc(index_non_assi(inina)) = zero |
---|
| 1199 | Ko(index_non_assi(inina)) = zero |
---|
| 1200 | CP(index_non_assi(inina)) = zero |
---|
| 1201 | ! |
---|
| 1202 | vc(index_non_assi(inina)) = zero |
---|
| 1203 | vj(index_non_assi(inina)) = zero |
---|
| 1204 | ! |
---|
| 1205 | ENDDO |
---|
| 1206 | ! |
---|
| 1207 | ENDIF |
---|
| 1208 | ! |
---|
| 1209 | ENDIF ! C3/C4 |
---|
| 1210 | ! |
---|
| 1211 | ! estimate assimilation and conductance for each LAI level |
---|
| 1212 | ! |
---|
| 1213 | DO jl = 1, nlai |
---|
| 1214 | ! |
---|
| 1215 | nic=0 |
---|
| 1216 | ! |
---|
| 1217 | calculate(:) = .FALSE. |
---|
| 1218 | ! |
---|
| 1219 | IF (nia .GT. 0) then |
---|
| 1220 | ! |
---|
| 1221 | !OCL NOVREC |
---|
| 1222 | DO inia=1,nia |
---|
| 1223 | ! |
---|
| 1224 | calculate(index_assi(inia)) = (laitab(jl) .LE. lai(index_assi(inia),jv) ) |
---|
| 1225 | ! |
---|
| 1226 | IF ( calculate(index_assi(inia)) ) THEN |
---|
| 1227 | ! |
---|
| 1228 | nic=nic+1 |
---|
| 1229 | index_calc(nic)=index_assi(inia) |
---|
| 1230 | ! |
---|
| 1231 | ENDIF |
---|
| 1232 | ! |
---|
| 1233 | ENDDO |
---|
| 1234 | ! |
---|
| 1235 | ENDIF |
---|
| 1236 | ! |
---|
| 1237 | ! Vmax is scaled into the canopy due to reduction of nitrogen |
---|
| 1238 | ! |
---|
| 1239 | x_1 = ( un - .7_r_std * ( un - light(jv,jl) ) ) |
---|
| 1240 | ! |
---|
| 1241 | IF ( nic .GT. 0 ) THEN |
---|
| 1242 | ! |
---|
| 1243 | DO inic=1,nic |
---|
| 1244 | ! |
---|
| 1245 | vc2(index_calc(inic)) = vc(index_calc(inic)) * x_1 |
---|
| 1246 | vj2(index_calc(inic)) = vj(index_calc(inic)) * x_1 |
---|
| 1247 | ! |
---|
| 1248 | ENDDO |
---|
| 1249 | ! |
---|
| 1250 | ENDIF |
---|
| 1251 | ! |
---|
| 1252 | IF ( is_c4(jv) ) THEN |
---|
| 1253 | ! |
---|
| 1254 | ! assimilation for C4 plants (Collatz & al. 91) |
---|
| 1255 | ! |
---|
| 1256 | DO ji = 1, kjpindex |
---|
| 1257 | ! |
---|
[257] | 1258 | assimi(ji) = zero |
---|
[64] | 1259 | ! |
---|
| 1260 | ENDDO |
---|
| 1261 | ! |
---|
| 1262 | IF (nic .GT. 0) THEN |
---|
| 1263 | ! |
---|
| 1264 | !OCL NOVREC |
---|
| 1265 | DO inic=1,nic |
---|
| 1266 | ! |
---|
| 1267 | ! W_to_mmol * RG_to_PAR = 2.3 |
---|
| 1268 | ! |
---|
| 1269 | x_1 = - ( vc2(index_calc(inic)) + quantum_yield * W_to_mmol * RG_to_PAR* swdown(index_calc(inic)) * & |
---|
| 1270 | ext_coeff(jv) * light(jv,jl) ) |
---|
| 1271 | x_2 = vc2(index_calc(inic)) * quantum_yield *W_to_mmol * RG_to_PAR * swdown(index_calc(inic)) * & |
---|
| 1272 | ext_coeff(jv) * light(jv,jl) |
---|
| 1273 | x_3 = ( -x_1 - sqrt( x_1*x_1 - 4.0 * xc4_1 * x_2 ) ) / (2.0*xc4_1) |
---|
| 1274 | x_4 = - ( x_3 + kt(index_calc(inic)) * leaf_ci(index_calc(inic),jv,jl) * & |
---|
| 1275 | 1.0e-6 ) |
---|
| 1276 | x_5 = x_3 * kt(index_calc(inic)) * leaf_ci(index_calc(inic),jv,jl) * 1.0e-6 |
---|
| 1277 | assimi(index_calc(inic)) = ( -x_4 - sqrt( x_4*x_4 - 4. * xc4_2 * x_5 ) ) / (2.*xc4_2) |
---|
| 1278 | assimi(index_calc(inic)) = assimi(index_calc(inic)) - & |
---|
| 1279 | rt(index_calc(inic)) |
---|
| 1280 | ! |
---|
| 1281 | ENDDO |
---|
| 1282 | ! |
---|
| 1283 | ENDIF |
---|
| 1284 | ! |
---|
| 1285 | ELSE |
---|
| 1286 | ! |
---|
| 1287 | ! assimilation for C3 plants (Farqhuar & al. 80) |
---|
| 1288 | ! |
---|
| 1289 | DO ji = 1, kjpindex |
---|
| 1290 | ! |
---|
[257] | 1291 | assimi(ji) = zero |
---|
[64] | 1292 | ! |
---|
| 1293 | ENDDO |
---|
| 1294 | ! |
---|
| 1295 | IF (nic .GT. 0) THEN |
---|
| 1296 | ! |
---|
| 1297 | !OCL NOVREC |
---|
| 1298 | DO inic=1,nic |
---|
| 1299 | ! |
---|
| 1300 | x_1 = vc2(index_calc(inic)) * leaf_ci(index_calc(inic),jv,jl) / & |
---|
| 1301 | ( leaf_ci(index_calc(inic),jv,jl) + Kc(index_calc(inic)) * & |
---|
| 1302 | ( un + Oa / Ko(index_calc(inic)) ) ) |
---|
| 1303 | x_2 = alpha_j*swdown(index_calc(inic))*ext_coeff(jv)*light(jv,jl) |
---|
| 1304 | x_3 = x_2+vj2(index_calc(inic)) |
---|
| 1305 | x_4 = ( x_3 - sqrt( x_3*x_3 - (quatre*curve_assim*x_2*vj2(index_calc(inic))) ) ) / & |
---|
| 1306 | (deux*curve_assim) |
---|
| 1307 | x_5 = x_4 * leaf_ci(index_calc(inic),jv,jl) / & |
---|
| 1308 | ( WJ_coeff1 * leaf_ci(index_calc(inic),jv,jl) + & |
---|
| 1309 | WJ_coeff2 *CP(index_calc(inic)) ) |
---|
| 1310 | x_6 = MIN( x_1, x_5 ) |
---|
| 1311 | assimi(index_calc(inic)) = x_6 * ( un - CP(index_calc(inic))/& |
---|
| 1312 | leaf_ci(index_calc(inic),jv,jl) ) - Vc_to_Rd_ratio * vc2(index_calc(inic)) |
---|
| 1313 | ! |
---|
| 1314 | ENDDO |
---|
| 1315 | ! |
---|
| 1316 | ENDIF |
---|
| 1317 | ! |
---|
| 1318 | ENDIF |
---|
| 1319 | ! |
---|
| 1320 | IF (nic .GT. 0) THEN |
---|
| 1321 | ! |
---|
| 1322 | !OCL NOVREC |
---|
| 1323 | !cdir NODEP |
---|
| 1324 | DO inic=1,nic |
---|
| 1325 | ! |
---|
| 1326 | ! estimate conductance (Ball & al. 86) |
---|
| 1327 | ! |
---|
| 1328 | icinic=index_calc(inic) |
---|
| 1329 | ! gs(icinic) = water_lim(icinic) * & |
---|
| 1330 | gs(icinic) = & |
---|
| 1331 | ( gsslope(jv) * assimi(icinic) * & |
---|
| 1332 | air_relhum(icinic) / ccanopy(icinic) ) & |
---|
| 1333 | + gsoffset(jv) |
---|
| 1334 | gs(icinic) = MAX( gs(icinic), gsoffset(jv) ) |
---|
| 1335 | ENDDO |
---|
| 1336 | ! |
---|
| 1337 | DO inic=1,nic |
---|
| 1338 | icinic=index_calc(inic) |
---|
| 1339 | ! |
---|
| 1340 | ! the new ci is calculated with |
---|
| 1341 | ! dci/dt=(ccanopy-ci)*gs/1.6-A |
---|
| 1342 | ! ci=ci+((ccanopy(icinic)-ci)*gs/1.6-& |
---|
| 1343 | ! assimi(icinic))*dtradia |
---|
| 1344 | ! we verify that ci is not out of possible values |
---|
| 1345 | ! |
---|
| 1346 | ci_gs(icinic) = MIN( ccanopy(icinic), MAX( CP(icinic), & |
---|
| 1347 | ( ccanopy(icinic) - O2toCO2_stoechio * assimi(icinic) / & |
---|
| 1348 | gs(icinic) ) ) ) - leaf_ci(icinic,jv,jl) |
---|
| 1349 | ENDDO |
---|
| 1350 | !cdir NODEP |
---|
| 1351 | DO inic=1,nic |
---|
| 1352 | icinic=index_calc(inic) |
---|
| 1353 | !to avoid some problem of numerical stability, the leaf_ci is bufferized |
---|
| 1354 | leaf_ci(icinic,jv,jl) = leaf_ci(icinic,jv,jl) + ci_gs(icinic)/6. |
---|
| 1355 | ENDDO |
---|
| 1356 | ! |
---|
| 1357 | DO inic=1,nic |
---|
| 1358 | icinic=index_calc(inic) |
---|
| 1359 | ! |
---|
| 1360 | ! this might be the last level for which Ci is calculated. Store it for |
---|
| 1361 | ! initialization of the remaining levels of the Ci array. |
---|
| 1362 | ! |
---|
| 1363 | leaf_ci_lowest(icinic) = leaf_ci(icinic,jv,jl) |
---|
| 1364 | ENDDO |
---|
| 1365 | ! |
---|
| 1366 | !cdir NODEP |
---|
| 1367 | DO inic=1,nic |
---|
| 1368 | icinic=index_calc(inic) |
---|
| 1369 | ! |
---|
| 1370 | ! total assimilation and conductance |
---|
| 1371 | assimtot(icinic) = assimtot(icinic) + & |
---|
| 1372 | assimi(icinic) * (laitab(jl+1)-laitab(jl)) |
---|
| 1373 | gstot(icinic) = gstot(icinic) + & |
---|
| 1374 | gs(icinic) * (laitab(jl+1)-laitab(jl)) |
---|
| 1375 | ! |
---|
| 1376 | ilai(icinic) = jl |
---|
| 1377 | ! |
---|
| 1378 | ENDDO |
---|
| 1379 | ! |
---|
| 1380 | ENDIF |
---|
| 1381 | ! |
---|
| 1382 | ! keep stomatal conductance of topmost level |
---|
| 1383 | ! |
---|
| 1384 | IF ( jl .EQ. 1 ) THEN |
---|
| 1385 | ! |
---|
[257] | 1386 | leaf_gs_top(:) = zero |
---|
[64] | 1387 | ! |
---|
| 1388 | IF ( nic .GT. 0 ) then |
---|
| 1389 | ! |
---|
| 1390 | !OCL NOVREC |
---|
| 1391 | DO inic=1,nic |
---|
| 1392 | ! |
---|
| 1393 | leaf_gs_top(index_calc(inic)) = gs(index_calc(inic)) |
---|
| 1394 | ! |
---|
| 1395 | ENDDO |
---|
| 1396 | ! |
---|
| 1397 | ENDIF |
---|
| 1398 | ! |
---|
| 1399 | ENDIF |
---|
| 1400 | ! |
---|
| 1401 | IF (nia .GT. 0) THEN |
---|
| 1402 | ! |
---|
| 1403 | !OCL NOVREC |
---|
| 1404 | DO inia=1,nia |
---|
| 1405 | ! |
---|
| 1406 | IF ( .NOT. calculate(index_assi(inia)) ) THEN |
---|
| 1407 | ! |
---|
| 1408 | ! a) for plants that are doing photosynthesis, but whose LAI is lower |
---|
| 1409 | ! than the present LAI step, initialize it to the Ci of the lowest |
---|
| 1410 | ! canopy level |
---|
| 1411 | ! |
---|
| 1412 | leaf_ci(index_assi(inia),jv,jl) = leaf_ci_lowest(index_assi(inia)) |
---|
| 1413 | ! |
---|
| 1414 | ENDIF |
---|
| 1415 | ! |
---|
| 1416 | ENDDO |
---|
| 1417 | ! |
---|
| 1418 | ENDIF |
---|
| 1419 | ! |
---|
| 1420 | ENDDO ! loop over LAI steps |
---|
| 1421 | ! |
---|
| 1422 | ! final calculations: resistances |
---|
| 1423 | ! |
---|
| 1424 | IF (nia .GT. 0) THEN |
---|
| 1425 | ! |
---|
| 1426 | !OCL NOVREC |
---|
| 1427 | !cdir NODEP |
---|
| 1428 | DO inia=1,nia |
---|
| 1429 | ! |
---|
| 1430 | iainia=index_assi(inia) |
---|
| 1431 | ! |
---|
| 1432 | ! conversion from mmol/m2/s to m/s |
---|
| 1433 | ! |
---|
| 1434 | gstot(iainia) = mmol_to_m_1 *(temp_air(iainia)/tp_00)*& |
---|
| 1435 | (pb_std/pb(iainia))*gstot(iainia) |
---|
| 1436 | gstop(iainia) = mmol_to_m_1 * (temp_air(iainia)/tp_00)*& |
---|
| 1437 | (pb_std/pb(iainia))*leaf_gs_top(iainia)*& |
---|
| 1438 | laitab(ilai(iainia)+1) |
---|
| 1439 | ! |
---|
[257] | 1440 | rveget(iainia,jv) = un/gstop(iainia) |
---|
[64] | 1441 | ! |
---|
| 1442 | ENDDO |
---|
| 1443 | ! |
---|
| 1444 | DO inia=1,nia |
---|
| 1445 | ! |
---|
| 1446 | iainia=index_assi(inia) |
---|
| 1447 | ! |
---|
| 1448 | ! rstruct is the difference between rtot (=1./gstot) and rveget |
---|
| 1449 | ! |
---|
| 1450 | ! Correction Nathalie - le 27 Mars 2006 - Interdire a rstruct d'etre negatif |
---|
[257] | 1451 | !rstruct(iainia,jv) = un/gstot(iainia) - & |
---|
[64] | 1452 | ! rveget(iainia,jv) |
---|
[257] | 1453 | rstruct(iainia,jv) = MAX( un/gstot(iainia) - & |
---|
[64] | 1454 | rveget(iainia,jv), min_sechiba) |
---|
| 1455 | ! |
---|
| 1456 | ENDDO |
---|
| 1457 | ! |
---|
| 1458 | DO inia=1,nia |
---|
| 1459 | ! |
---|
| 1460 | iainia=index_assi(inia) |
---|
| 1461 | ! |
---|
| 1462 | speed = MAX(min_wind, wind(index_assi(inia))) |
---|
| 1463 | ! |
---|
| 1464 | ! beta for transpiration |
---|
| 1465 | ! |
---|
| 1466 | ! Corrections Nathalie - le 28 mars 2006 - sur conseils Fred Hourdin |
---|
| 1467 | ! Introduction d'un potentiometre (rveg_pft) pour regler la somme rveg+rstruct |
---|
| 1468 | !vbeta3(iainia,jv) = veget_max(iainia,jv) * & |
---|
| 1469 | ! (un - zqsvegrap(iainia)) * & |
---|
| 1470 | ! (un / (un + speed * q_cdrag(iainia) * (rveget(iainia,jv) + & |
---|
| 1471 | ! rstruct(iainia,jv)))) |
---|
| 1472 | cresist=(un / (un + speed * q_cdrag(iainia) * & |
---|
| 1473 | (rveg_pft(jv)*(rveget(iainia,jv) + rstruct(iainia,jv))))) |
---|
| 1474 | |
---|
| 1475 | vbeta3(iainia,jv) = veget_max(iainia,jv) * & |
---|
| 1476 | (un - zqsvegrap(iainia)) * cresist + & |
---|
| 1477 | !!$ ! Ajout Nathalie - Juin 2006 |
---|
| 1478 | !!$ vbeta3(iainia,jv) = vbeta3(iainia,jv) + & |
---|
| 1479 | ! Corrections Nathalie - le 09 novembre 2009 : veget => veget_max |
---|
| 1480 | ! MIN( vbeta23(iainia,jv), veget(iainia,jv) * & |
---|
| 1481 | MIN( vbeta23(iainia,jv), veget_max(iainia,jv) * & |
---|
| 1482 | ! zqsvegrap(iainia) * humrel(iainia,jv) * & |
---|
| 1483 | zqsvegrap(iainia) * cresist ) |
---|
| 1484 | ! Fin ajout Nathalie |
---|
| 1485 | ! |
---|
| 1486 | ! beta for assimilation. The difference is that surface |
---|
| 1487 | ! covered by rain (un - zqsvegrap(iainia)) is not taken into account |
---|
| 1488 | ! 1.6 is conversion for H2O to CO2 conductance |
---|
| 1489 | ! vbetaco2(iainia,jv) = veget_max(iainia,jv) * & |
---|
| 1490 | ! (un / (un + q_cdrag(iainia) * & |
---|
| 1491 | ! (rveget(iainia,jv))))/1.6 |
---|
| 1492 | ! |
---|
| 1493 | vbetaco2(iainia,jv) = veget_max(iainia,jv) * & |
---|
| 1494 | (un / (un + speed * q_cdrag(iainia) * & |
---|
| 1495 | (rveget(iainia,jv) + rstruct(iainia,jv)))) / 1.6 |
---|
| 1496 | ! |
---|
| 1497 | ! cimean is the "mean ci" calculated in such a way that assimilation |
---|
| 1498 | ! calculated in enerbil is equivalent to assimtot |
---|
| 1499 | ! |
---|
| 1500 | cimean(iainia,jv) = ccanopy(iainia) - & |
---|
| 1501 | assimtot(iainia) / & |
---|
| 1502 | ( vbetaco2(iainia,jv)/veget_max(iainia,jv) * & |
---|
| 1503 | rau(iainia) * speed * q_cdrag(iainia)) |
---|
| 1504 | ! |
---|
| 1505 | ENDDO |
---|
| 1506 | ! |
---|
| 1507 | ENDIF |
---|
| 1508 | ! |
---|
| 1509 | END DO ! loop over vegetation types |
---|
| 1510 | ! |
---|
| 1511 | IF (long_print) WRITE (numout,*) ' diffuco_trans_co2 done ' |
---|
| 1512 | |
---|
| 1513 | END SUBROUTINE diffuco_trans_co2 |
---|
| 1514 | |
---|
| 1515 | !! This routine combines previous partial beta coeeficient and calculates |
---|
| 1516 | !! alpha and complete beta coefficient |
---|
| 1517 | !! |
---|
| 1518 | ! Ajout qsintmax dans les arguments de la routine Nathalie / le 13-03-2006 |
---|
| 1519 | SUBROUTINE diffuco_comb (kjpindex, dtradia, humrel, rau, u, v, q_cdrag, pb, qair, temp_sol, temp_air, & |
---|
| 1520 | & snow, veget, lai, vbeta1, vbeta2, vbeta3 , vbeta4, valpha, vbeta, qsintmax) |
---|
| 1521 | |
---|
| 1522 | ! interface description |
---|
| 1523 | ! input scalar |
---|
| 1524 | INTEGER(i_std), INTENT(in) :: kjpindex !! Domain size |
---|
| 1525 | REAL(r_std), INTENT (in) :: dtradia !! Time step in seconds |
---|
| 1526 | ! input fields |
---|
| 1527 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: rau !! Density |
---|
| 1528 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: u !! Lowest level wind speed |
---|
| 1529 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: v !! Lowest level wind speed |
---|
| 1530 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: q_cdrag !! Surface drag |
---|
| 1531 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: pb !! Lowest level pressure |
---|
| 1532 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: qair !! Lowest level specific humidity |
---|
| 1533 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: temp_sol !! Skin temperature in Kelvin |
---|
| 1534 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: temp_air !! lower air temperature in Kelvin |
---|
| 1535 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: snow !! Snow mass |
---|
| 1536 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (in) :: veget !! Fraction of vegetation type |
---|
| 1537 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (in) :: lai !! Leaf area index |
---|
| 1538 | ! Ajout Nathalie / le 13-03-2006 |
---|
| 1539 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (in) :: qsintmax !! Maximum water on vegetation |
---|
| 1540 | ! modified fields |
---|
| 1541 | REAL(r_std),DIMENSION (kjpindex), INTENT (inout) :: vbeta1 !! Beta for sublimation |
---|
| 1542 | REAL(r_std),DIMENSION (kjpindex), INTENT (inout) :: vbeta4 !! Beta for Bare soil evaporation |
---|
| 1543 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (inout) :: humrel !! Soil moisture stress |
---|
| 1544 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (inout) :: vbeta2 !! Beta for Interception for |
---|
| 1545 | REAL(r_std),DIMENSION (kjpindex,nvm), INTENT (inout) :: vbeta3 !! Beta for Transpiration |
---|
| 1546 | ! output fields |
---|
| 1547 | REAL(r_std),DIMENSION (kjpindex), INTENT (out) :: valpha !! TotalAlpha coefficient |
---|
| 1548 | REAL(r_std),DIMENSION (kjpindex), INTENT (out) :: vbeta !! Total beta coefficient |
---|
| 1549 | |
---|
| 1550 | ! local declaration |
---|
| 1551 | INTEGER(i_std) :: ji, jv |
---|
| 1552 | REAL(r_std) :: zevtest, zsoil_moist, zrapp |
---|
| 1553 | REAL(r_std), DIMENSION(kjpindex) :: vbeta2sum, vbeta3sum |
---|
| 1554 | REAL(r_std), DIMENSION(kjpindex) :: vegetsum, vegetsum2 |
---|
| 1555 | REAL(r_std), DIMENSION(kjpindex) :: qsatt |
---|
| 1556 | LOGICAL, DIMENSION(kjpindex) :: toveg, tosnow |
---|
| 1557 | REAL(r_std) :: coeff_dew_veg |
---|
| 1558 | |
---|
[257] | 1559 | vbeta2sum(:) = zero |
---|
| 1560 | vbeta3sum(:) = zero |
---|
[64] | 1561 | DO jv = 1, nvm |
---|
| 1562 | vbeta2sum(:) = vbeta2sum(:) + vbeta2(:,jv) |
---|
| 1563 | vbeta3sum(:) = vbeta3sum(:) + vbeta3(:,jv) |
---|
| 1564 | ENDDO |
---|
| 1565 | |
---|
| 1566 | ! |
---|
| 1567 | ! 1. The beta and alpha coefficients are calculated. |
---|
| 1568 | ! |
---|
| 1569 | |
---|
| 1570 | vbeta(:) = un |
---|
| 1571 | valpha(:) = un |
---|
| 1572 | |
---|
| 1573 | ! |
---|
| 1574 | ! 2. if snow is lower than critical value |
---|
| 1575 | ! |
---|
| 1576 | |
---|
| 1577 | DO ji = 1, kjpindex |
---|
| 1578 | |
---|
| 1579 | IF (snow(ji) .LT. snowcri) THEN |
---|
| 1580 | |
---|
| 1581 | vbeta(ji) = vbeta4(ji) + vbeta2sum(ji) + vbeta3sum(ji) |
---|
| 1582 | |
---|
| 1583 | IF (vbeta(ji) .LT. min_sechiba) THEN |
---|
| 1584 | vbeta(ji) = zero |
---|
| 1585 | END IF |
---|
| 1586 | |
---|
| 1587 | END IF |
---|
| 1588 | |
---|
| 1589 | ENDDO |
---|
| 1590 | |
---|
| 1591 | ! |
---|
| 1592 | ! 3. If we are in presence of dew. |
---|
| 1593 | ! |
---|
| 1594 | |
---|
| 1595 | ! for vectorization: some arrays |
---|
[257] | 1596 | vegetsum(:) = zero |
---|
[64] | 1597 | DO jv = 1, nvm |
---|
| 1598 | vegetsum(:) = vegetsum(:) + veget(:,jv) |
---|
| 1599 | ENDDO |
---|
[257] | 1600 | vegetsum2(:) = zero |
---|
[64] | 1601 | DO jv = 2, nvm |
---|
| 1602 | vegetsum2(:) = vegetsum2(:) + veget(:,jv) |
---|
| 1603 | ENDDO |
---|
| 1604 | |
---|
| 1605 | CALL qsatcalc (kjpindex, temp_sol, pb, qsatt) |
---|
| 1606 | |
---|
| 1607 | ! |
---|
| 1608 | ! 3.1 decide where the water goes (soil, vegetation, or snow) |
---|
| 1609 | ! when air moisture exceeds saturation. |
---|
| 1610 | ! |
---|
| 1611 | toveg(:) = .FALSE. |
---|
| 1612 | tosnow(:) = .FALSE. |
---|
| 1613 | DO ji = 1, kjpindex |
---|
| 1614 | IF ( qsatt(ji) .LT. qair(ji) ) THEN |
---|
| 1615 | IF (temp_air(ji) .GT. tp_00) THEN |
---|
| 1616 | ! |
---|
| 1617 | ! 3.1.1 If it is not freezing dew is put into the |
---|
| 1618 | ! interception reservoir and on the bare soil. |
---|
| 1619 | toveg(ji) = .TRUE. |
---|
| 1620 | ELSE |
---|
| 1621 | ! |
---|
| 1622 | ! 3.1.2 If it is freezing water is put into the |
---|
| 1623 | ! snow reservoir. |
---|
| 1624 | tosnow(ji) = .TRUE. |
---|
| 1625 | ENDIF |
---|
| 1626 | ENDIF |
---|
| 1627 | END DO |
---|
| 1628 | |
---|
| 1629 | ! 3.1.3 now modify valpha and vbetas where necessary. |
---|
| 1630 | ! |
---|
| 1631 | ! 3.1.3.1 Soil and snow (2d) |
---|
| 1632 | ! |
---|
| 1633 | DO ji = 1, kjpindex |
---|
| 1634 | IF ( toveg(ji) ) THEN |
---|
| 1635 | vbeta1(ji) = zero |
---|
| 1636 | vbeta4(ji) = veget(ji,1) |
---|
| 1637 | ! Correction Nathalie - le 13-03-2006: le vbeta ne sera calcule qu'une fois tous les vbeta2 redefinis |
---|
| 1638 | !vbeta(ji) = vegetsum(ji) |
---|
| 1639 | vbeta(ji) = vbeta4(ji) |
---|
| 1640 | valpha(ji) = un |
---|
| 1641 | ENDIF |
---|
| 1642 | IF ( tosnow(ji) ) THEN |
---|
| 1643 | vbeta1(ji) = un |
---|
| 1644 | vbeta4(ji) = zero |
---|
| 1645 | vbeta(ji) = un |
---|
| 1646 | valpha(ji) = un |
---|
| 1647 | ENDIF |
---|
| 1648 | ENDDO |
---|
| 1649 | ! |
---|
| 1650 | ! 3.1.3.2 vegetation (3d) |
---|
| 1651 | ! |
---|
| 1652 | DO jv = 1, nvm |
---|
| 1653 | ! |
---|
| 1654 | DO ji = 1, kjpindex |
---|
| 1655 | ! |
---|
| 1656 | ! Correction Nathalie - 13-03-2006 / si qsintmax=0, vbeta2=0 |
---|
| 1657 | IF ( toveg(ji) ) THEN |
---|
| 1658 | IF (qsintmax(ji,jv) .GT. min_sechiba) THEN |
---|
| 1659 | !MM |
---|
| 1660 | ! Compute part of dew that can be intercepted by leafs. |
---|
| 1661 | IF ( lai(ji,jv) .GT. min_sechiba) THEN |
---|
| 1662 | IF (lai(ji,jv) .GT. 1.5) THEN |
---|
| 1663 | coeff_dew_veg= & |
---|
| 1664 | & dew_veg_poly_coeff(6)*lai(ji,jv)**5 & |
---|
| 1665 | & - dew_veg_poly_coeff(5)*lai(ji,jv)**4 & |
---|
| 1666 | & + dew_veg_poly_coeff(4)*lai(ji,jv)**3 & |
---|
| 1667 | & - dew_veg_poly_coeff(3)*lai(ji,jv)**2 & |
---|
| 1668 | & + dew_veg_poly_coeff(2)*lai(ji,jv) & |
---|
| 1669 | & + dew_veg_poly_coeff(1) |
---|
| 1670 | ELSE |
---|
[257] | 1671 | coeff_dew_veg=un |
---|
[64] | 1672 | ENDIF |
---|
| 1673 | ELSE |
---|
| 1674 | coeff_dew_veg=zero |
---|
| 1675 | ENDIF |
---|
| 1676 | vbeta2(ji,jv) = coeff_dew_veg*veget(ji,jv) |
---|
| 1677 | ! vbeta2(ji,jv) = veget(ji,jv) |
---|
| 1678 | ELSE |
---|
| 1679 | vbeta2(ji,jv) = zero |
---|
| 1680 | ENDIF |
---|
| 1681 | vbeta(ji) = vbeta(ji) + vbeta2(ji,jv) |
---|
| 1682 | ENDIF |
---|
| 1683 | IF ( tosnow(ji) ) vbeta2(ji,jv) = zero |
---|
| 1684 | ! |
---|
| 1685 | ENDDO |
---|
| 1686 | ! |
---|
| 1687 | ENDDO |
---|
| 1688 | |
---|
| 1689 | ! |
---|
| 1690 | ! 3.2 In any case there is no transpiration when air moisture is too high. |
---|
| 1691 | ! |
---|
| 1692 | |
---|
| 1693 | DO jv = 1, nvm |
---|
| 1694 | DO ji = 1, kjpindex |
---|
| 1695 | IF ( qsatt(ji) .LT. qair(ji) ) THEN |
---|
| 1696 | vbeta3(ji,jv) = zero |
---|
| 1697 | humrel(ji,jv) = zero |
---|
| 1698 | ENDIF |
---|
| 1699 | ENDDO |
---|
| 1700 | ENDDO |
---|
| 1701 | |
---|
| 1702 | ! |
---|
| 1703 | ! 3.2_bis In any case there is no interception loss on bare soil. |
---|
| 1704 | ! |
---|
| 1705 | |
---|
| 1706 | DO ji = 1, kjpindex |
---|
| 1707 | IF ( qsatt(ji) .LT. qair(ji) ) THEN |
---|
| 1708 | vbeta2(ji,1) = zero |
---|
| 1709 | ENDIF |
---|
| 1710 | ENDDO |
---|
| 1711 | |
---|
| 1712 | IF (long_print) WRITE (numout,*) ' diffuco_comb done ' |
---|
| 1713 | |
---|
| 1714 | END SUBROUTINE diffuco_comb |
---|
| 1715 | |
---|
| 1716 | SUBROUTINE diffuco_raerod (kjpindex, u, v, q_cdrag, raero) |
---|
| 1717 | ! |
---|
| 1718 | ! Simply computes the aerodynamic resistance. For the moment it is |
---|
| 1719 | ! only used as a diagnostic but that may change ! |
---|
| 1720 | ! |
---|
| 1721 | IMPLICIT NONE |
---|
| 1722 | ! |
---|
| 1723 | INTEGER(i_std), INTENT(in) :: kjpindex !! Domain size |
---|
| 1724 | ! input fields |
---|
| 1725 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: u !! Lowest level wind speed |
---|
| 1726 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: v !! Lowest level wind speed |
---|
| 1727 | REAL(r_std),DIMENSION (kjpindex), INTENT (in) :: q_cdrag !! Surface drag |
---|
| 1728 | ! output filed |
---|
| 1729 | REAL(r_std),DIMENSION (kjpindex), INTENT (out) :: raero !! Aerodynamic resistance |
---|
| 1730 | ! |
---|
| 1731 | ! local declaration |
---|
| 1732 | INTEGER(i_std) :: ji |
---|
| 1733 | REAL(r_std) :: speed |
---|
| 1734 | ! |
---|
| 1735 | DO ji=1,kjpindex |
---|
| 1736 | ! |
---|
| 1737 | speed = MAX(min_wind, wind(ji)) |
---|
| 1738 | raero(ji) = un / (q_cdrag(ji)*speed) |
---|
| 1739 | ! |
---|
| 1740 | ENDDO |
---|
| 1741 | ! |
---|
| 1742 | END SUBROUTINE diffuco_raerod |
---|
| 1743 | |
---|
| 1744 | END MODULE diffuco |
---|