| 1 | MODULE air_sea_mod |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE air_sea_mod *** |
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| 4 | !! Calculate the carbon chemistry for the whole ocean |
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| 5 | !!====================================================================== |
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| 6 | !! History : |
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| 7 | !! - ! 2017-04 (M. Stringer) Code taken from trcbio_medusa.F90 |
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| 8 | !!---------------------------------------------------------------------- |
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| 9 | #if defined key_medusa |
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| 10 | !!---------------------------------------------------------------------- |
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| 11 | !! MEDUSA bio-model |
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| 12 | !!---------------------------------------------------------------------- |
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| 13 | |
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| 14 | IMPLICIT NONE |
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| 15 | PRIVATE |
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| 16 | |
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| 17 | PUBLIC air_sea ! Called in trcbio_medusa.F90 |
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| 18 | |
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| 19 | !!---------------------------------------------------------------------- |
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| 20 | !! NEMO/TOP 2.0 , LOCEAN-IPSL (2007) |
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| 21 | !! $Id$ |
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| 22 | !! Software governed by the CeCILL licence (modipsl/doc/NEMO_CeCILL.txt) |
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| 23 | !!---------------------------------------------------------------------- |
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| 24 | |
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| 25 | CONTAINS |
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| 26 | |
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| 27 | SUBROUTINE air_sea( kt ) |
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| 28 | !!--------------------------------------------------------------------- |
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| 29 | !! *** ROUTINE air_sea *** |
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| 30 | !! This called from TRC_BIO_MEDUSA and |
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| 31 | !! - calculate air-sea gas exchange |
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| 32 | !! - river inputs |
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| 33 | !!---------------------------------------------------------------------- |
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| 34 | USE bio_medusa_mod, ONLY: f_riv_alk, f_riv_c, f_riv_n, & |
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| 35 | f_riv_si, f_runoff, & |
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| 36 | fgco2, & |
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| 37 | # if defined key_roam |
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| 38 | dms_andr, dms_andr2d, dms_aran, & |
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| 39 | dms_aran2d, dms_hall, dms_hall2d, & |
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| 40 | dms_simo, dms_simo2d, dms_surf, & |
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| 41 | dms_surf2d, & |
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| 42 | f_co2flux, f_co2flux2d, & |
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| 43 | f_co2starair_2d, f_co3, & |
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| 44 | f_dcf, f_fco2a_2d, f_fco2w_2d, & |
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| 45 | f_h2co3, f_hco3, f_henry, & |
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| 46 | f_kw660, f_kw6602d, & |
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| 47 | f_o2flux, f_o2flux2d, f_o2sat, & |
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| 48 | f_o2sat2d, f_ocndpco2_2d, & |
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| 49 | f_ocnk0_2d, f_ocnkwco2_2d, & |
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| 50 | f_ocnrhosw_2d, f_ocnschco2_2d, & |
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| 51 | f_omarg, f_omcal, & |
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| 52 | f_pco2a2d, f_pco2atm, f_pco2w, & |
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| 53 | f_pco2w2d, f_ph, f_pp0, f_pp02d, & |
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| 54 | f_TALK, f_TALK2d, f_TDIC, f_TDIC2d, & |
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| 55 | f_xco2a, f_xco2a_2d, & |
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| 56 | zalk, zdic, zoxy, zsal, ztmp, & |
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| 57 | # endif |
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| 58 | # if defined key_mocsy |
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| 59 | zpho, & |
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| 60 | # endif |
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| 61 | zchd, zchn, zdin, zsil |
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| 62 | USE dom_oce, ONLY: e3t_0, e3t_n, gphit, tmask |
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| 63 | # if defined key_iomput |
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| 64 | USE iom, ONLY: lk_iomput |
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| 65 | # endif |
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| 66 | USE in_out_manager, ONLY: lwp, numout |
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| 67 | USE oce, ONLY: PCO2a_in_cpl |
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| 68 | USE par_kind, ONLY: wp |
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| 69 | USE par_oce, ONLY: jpi, jpim1, jpj, jpjm1 |
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| 70 | USE sbc_oce, ONLY: fr_i, lk_oasis, qsr, wndm |
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| 71 | USE sms_medusa, ONLY: jdms, jdms_input, jdms_model, & |
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| 72 | jriver_alk, jriver_c, & |
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| 73 | jriver_n, jriver_si, & |
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| 74 | riv_alk, riv_c, riv_n, riv_si, & |
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| 75 | zn_dms_chd, zn_dms_chn, zn_dms_din, & |
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| 76 | zn_dms_mld, zn_dms_qsr |
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| 77 | USE trc, ONLY: med_diag |
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| 78 | USE zdfmxl, ONLY: hmld |
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| 79 | |
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| 80 | # if defined key_roam |
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| 81 | USE gastransfer, ONLY: gas_transfer |
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| 82 | # if defined key_mocsy |
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| 83 | USE mocsy_wrapper, ONLY: mocsy_interface |
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| 84 | # else |
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| 85 | USE trcco2_medusa, ONLY: trc_co2_medusa |
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| 86 | # endif |
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| 87 | USE trcdms_medusa, ONLY: trc_dms_medusa |
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| 88 | USE trcoxy_medusa, ONLY: trc_oxy_medusa |
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| 89 | # endif |
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| 90 | |
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| 91 | !!* Substitution |
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| 92 | # include "domzgr_substitute.h90" |
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| 93 | |
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| 94 | !! time (integer timestep) |
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| 95 | INTEGER, INTENT( in ) :: kt |
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| 96 | |
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| 97 | !! Loop variables |
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| 98 | INTEGER :: ji, jj |
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| 99 | |
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| 100 | # if defined key_roam |
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| 101 | !! jpalm 14-07-2016: convert CO2flux diag from mmol/m2/d to kg/m2/s |
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| 102 | REAL, PARAMETER :: weight_CO2_mol = 44.0095 !! g / mol |
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| 103 | REAL, PARAMETER :: secs_in_day = 86400.0 !! s / d |
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| 104 | REAL, PARAMETER :: CO2flux_conv = (1.e-6 * weight_CO2_mol) / secs_in_day |
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| 105 | |
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| 106 | INTEGER :: iters |
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| 107 | |
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| 108 | !! AXY (23/06/15): additional diagnostics for MOCSY and oxygen |
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| 109 | REAL(wp), DIMENSION(jpi,jpj) :: f_fco2w, f_rhosw |
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| 110 | REAL(wp), DIMENSION(jpi,jpj) :: f_fco2atm |
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| 111 | REAL(wp), DIMENSION(jpi,jpj) :: f_schmidtco2, f_kwco2, f_K0 |
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| 112 | REAL(wp), DIMENSION(jpi,jpj) :: f_co2starair, f_dpco2 |
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| 113 | !! Output arguments from mocsy_interface, which aren't used |
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| 114 | REAL(wp) :: f_BetaD_dum, f_opres_dum |
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| 115 | REAL(wp) :: f_insitut_dum |
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| 116 | REAL(wp) :: f_kwo2_dum |
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| 117 | # endif |
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| 118 | |
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| 119 | |
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| 120 | # if defined key_roam |
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| 121 | !!----------------------------------------------------------- |
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| 122 | !! Air-sea gas exchange |
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| 123 | !!----------------------------------------------------------- |
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| 124 | DO jj = 2,jpjm1 |
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| 125 | DO ji = 2,jpim1 |
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| 126 | !! OPEN wet point IF..THEN loop |
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| 127 | if (tmask(ji,jj,1) == 1) then |
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| 128 | IF (lk_oasis) THEN |
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| 129 | !! use 2D atm xCO2 from atm coupling |
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| 130 | f_xco2a(ji,jj) = PCO2a_in_cpl(ji,jj) |
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| 131 | ENDIF |
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| 132 | !! |
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| 133 | !! AXY (23/06/15): as part of an effort to update the |
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| 134 | !! carbonate chemistry in MEDUSA, the gas |
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| 135 | !! transfer velocity used in the carbon |
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| 136 | !! and oxygen cycles has been harmonised |
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| 137 | !! and is calculated by the same function |
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| 138 | !! here; this harmonisation includes |
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| 139 | !! changes to the PML carbonate chemistry |
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| 140 | !! scheme so that it too makes use of the |
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| 141 | !! same gas transfer velocity; the |
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| 142 | !! preferred parameterisation of this is |
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| 143 | !! Wanninkhof (2014), option 7 |
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| 144 | !! |
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| 145 | # if defined key_debug_medusa |
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| 146 | IF (lwp) write (numout,*) 'trc_bio_medusa: entering gas_transfer' |
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| 147 | CALL flush(numout) |
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| 148 | # endif |
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| 149 | CALL gas_transfer( wndm(ji,jj), 1, 7, & ! inputs |
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| 150 | f_kw660(ji,jj) ) ! outputs |
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| 151 | # if defined key_debug_medusa |
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| 152 | IF (lwp) write (numout,*) 'trc_bio_medusa: exiting gas_transfer' |
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| 153 | CALL flush(numout) |
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| 154 | # endif |
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| 155 | ENDIF |
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| 156 | ENDDO |
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| 157 | ENDDO |
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| 158 | |
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| 159 | DO jj = 2,jpjm1 |
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| 160 | DO ji = 2,jpim1 |
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| 161 | if (tmask(ji,jj,1) == 1) then |
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| 162 | !! air pressure (atm); ultimately this will use air |
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| 163 | !! pressure at the base of the UKESM1 atmosphere |
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| 164 | !! |
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| 165 | f_pp0(ji,jj) = 1.0 |
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| 166 | !! |
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| 167 | !! IF(lwp) WRITE(numout,*) ' MEDUSA ztmp =', ztmp(ji,jj) |
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| 168 | !! IF(lwp) WRITE(numout,*) ' MEDUSA wndm =', wndm(ji,jj) |
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| 169 | !! IF(lwp) WRITE(numout,*) ' MEDUSA fr_i =', fr_i(ji,jj) |
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| 170 | !! |
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| 171 | # if defined key_axy_carbchem |
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| 172 | # if defined key_mocsy |
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| 173 | !! |
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| 174 | !! AXY (22/06/15): use Orr & Epitalon (2015) MOCSY-2 carbonate |
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| 175 | !! chemistry package; note that depth is set to |
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| 176 | !! zero in this call |
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| 177 | CALL mocsy_interface(ztmp(ji,jj),zsal(ji,jj),zalk(ji,jj), & |
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| 178 | zdic(ji,jj),zsil(ji,jj),zpho(ji,jj), & |
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| 179 | f_pp0(ji,jj),0.0, & |
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| 180 | gphit(ji,jj),f_kw660(ji,jj), & |
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| 181 | f_xco2a(ji,jj),1,f_ph(ji,jj), & |
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| 182 | f_pco2w(ji,jj),f_fco2w(ji,jj), & |
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| 183 | f_h2co3(ji,jj),f_hco3(ji,jj), & |
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| 184 | f_co3(ji,jj),f_omarg(ji,jj), & |
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| 185 | f_omcal(ji,jj),f_BetaD_dum, & |
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| 186 | f_rhosw(ji,jj),f_opres_dum, & |
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| 187 | f_insitut_dum,f_pco2atm(ji,jj), & |
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| 188 | f_fco2atm(ji,jj),f_schmidtco2(ji,jj), & |
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| 189 | f_kwco2(ji,jj),f_K0(ji,jj), & |
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| 190 | f_co2starair(ji,jj),f_co2flux(ji,jj), & |
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| 191 | f_dpco2(ji,jj)) |
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| 192 | !! mmol / m3 -> umol / kg |
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| 193 | f_TDIC(ji,jj) = (zdic(ji,jj) / f_rhosw(ji,jj)) * 1000. |
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| 194 | !! meq / m3 -> ueq / kg |
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| 195 | f_TALK(ji,jj) = (zalk(ji,jj) / f_rhosw(ji,jj)) * 1000. |
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| 196 | f_dcf(ji,jj) = f_rhosw(ji,jj) |
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| 197 | ENDIF |
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| 198 | ENDDO |
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| 199 | ENDDO |
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| 200 | |
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| 201 | # else |
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| 202 | |
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| 203 | DO jj = 2,jpjm1 |
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| 204 | DO ji = 2,jpim1 |
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| 205 | if (tmask(ji,jj,1) == 1) then |
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| 206 | iters = 0 |
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| 207 | !! |
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| 208 | !! carbon dioxide (CO2); Jerry Blackford code (ostensibly |
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| 209 | !! OCMIP-2, but not) |
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| 210 | CALL trc_co2_medusa(ztmp(ji,jj),zsal(ji,jj),zdic(ji,jj), & |
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| 211 | zalk(ji,jj),0.0, & |
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| 212 | f_kw660(ji,jj),f_xco2a(ji,jj), & |
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| 213 | f_ph(ji,jj), & |
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| 214 | f_pco2w(ji,jj),f_h2co3(ji,jj), & |
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| 215 | f_hco3(ji,jj),f_co3(ji,jj), & |
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| 216 | f_omcal(ji,jj),f_omarg(ji,jj), & |
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| 217 | f_co2flux(ji,jj),f_TDIC(ji,jj), & |
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| 218 | f_TALK(ji,jj),f_dcf(ji,jj), & |
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| 219 | f_henry(ji,jj),iters) |
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| 220 | !! |
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| 221 | !! AXY (09/01/14): removed iteration and NaN checks; these have |
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| 222 | !! been moved to trc_co2_medusa together with a |
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| 223 | !! fudge that amends erroneous values (this is |
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| 224 | !! intended to be a temporary fudge!); the |
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| 225 | !! output warnings are retained here so that |
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| 226 | !! failure position can be determined |
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| 227 | if (iters .eq. 25) then |
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| 228 | IF(lwp) WRITE(numout,*) ' trc_bio_medusa: ITERS WARNING, ', & |
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| 229 | iters, ' AT (', ji, ', ', jj, ', 1) AT ', kt |
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| 230 | endif |
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| 231 | ENDIF |
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| 232 | ENDDO |
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| 233 | ENDDO |
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| 234 | |
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| 235 | # endif |
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| 236 | # else |
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| 237 | |
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| 238 | DO jj = 2,jpjm1 |
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| 239 | DO ji = 2,jpim1 |
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| 240 | if (tmask(ji,jj,1) == 1) then |
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| 241 | !! AXY (18/04/13): switch off carbonate chemistry |
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| 242 | !! calculations; provide quasi-sensible |
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| 243 | !! alternatives |
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| 244 | f_ph(ji,jj) = 8.1 |
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| 245 | f_pco2w(ji,jj) = f_xco2a(ji,jj) |
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| 246 | f_h2co3(ji,jj) = 0.005 * zdic(ji,jj) |
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| 247 | f_hco3(ji,jj) = 0.865 * zdic(ji,jj) |
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| 248 | f_co3(ji,jj) = 0.130 * zdic(ji,jj) |
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| 249 | f_omcal(ji,jj) = 4. |
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| 250 | f_omarg(ji,jj) = 2. |
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| 251 | f_co2flux(ji,jj) = 0. |
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| 252 | f_TDIC(ji,jj) = zdic(ji,jj) |
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| 253 | f_TALK(ji,jj) = zalk(ji,jj) |
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| 254 | f_dcf(ji,jj) = 1.026 |
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| 255 | f_henry(ji,jj) = 1. |
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| 256 | !! AXY (23/06/15): add in some extra MOCSY diagnostics |
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| 257 | f_fco2w(ji,jj) = f_xco2a(ji,jj) |
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| 258 | ! This doesn't seem to be used - marc 16/5/17 |
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| 259 | ! f_BetaD(ji,jj) = 1. |
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| 260 | f_rhosw(ji,jj) = 1.026 |
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| 261 | ! This doesn't seem to be used - marc 16/5/17 |
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| 262 | ! f_opres(ji,jj) = 0. |
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| 263 | ! f_insitut(ji,jj) = ztmp(ji,jj) |
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| 264 | f_pco2atm(ji,jj) = f_xco2a(ji,jj) |
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| 265 | f_fco2atm(ji,jj) = f_xco2a(ji,jj) |
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| 266 | f_schmidtco2(ji,jj) = 660. |
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| 267 | f_kwco2(ji,jj) = 0. |
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| 268 | f_K0(ji,jj) = 0. |
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| 269 | f_co2starair(ji,jj) = f_xco2a(ji,jj) |
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| 270 | f_dpco2(ji,jj) = 0. |
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| 271 | ENDIF |
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| 272 | ENDDO |
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| 273 | ENDDO |
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| 274 | # endif |
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| 275 | |
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| 276 | DO jj = 2,jpjm1 |
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| 277 | DO ji = 2,jpim1 |
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| 278 | if (tmask(ji,jj,1) == 1) then |
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| 279 | !! mmol/m2/s -> mmol/m3/d; correct for sea-ice; divide |
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| 280 | !! through by layer thickness |
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| 281 | f_co2flux(ji,jj) = (1. - fr_i(ji,jj)) * f_co2flux(ji,jj) * & |
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| 282 | 86400. / fse3t(ji,jj,1) |
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| 283 | !! |
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| 284 | !! oxygen (O2); OCMIP-2 code |
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| 285 | !! AXY (23/06/15): amend input list for oxygen to account |
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| 286 | !! for common gas transfer velocity |
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| 287 | CALL trc_oxy_medusa(ztmp(ji,jj),zsal(ji,jj),f_kw660(ji,jj), & |
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| 288 | f_pp0(ji,jj),zoxy(ji,jj), & |
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| 289 | f_kwo2_dum,f_o2flux(ji,jj), & |
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| 290 | f_o2sat(ji,jj)) |
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| 291 | !! |
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| 292 | !! mmol/m2/s -> mol/m3/d; correct for sea-ice; divide |
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| 293 | !! through by layer thickness |
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| 294 | f_o2flux(ji,jj) = (1. - fr_i(ji,jj)) * f_o2flux(ji,jj) * & |
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| 295 | 86400. / fse3t(ji,jj,1) |
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| 296 | ENDIF |
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| 297 | ENDDO |
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| 298 | ENDDO |
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| 299 | |
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| 300 | !! Jpalm (08-2014) |
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| 301 | !! DMS surface concentration calculation |
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| 302 | !! initialy added for UKESM1 model. |
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| 303 | !! using MET-OFFICE subroutine. |
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| 304 | !! DMS module only needs Chl concentration and MLD |
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| 305 | !! to get an aproximate value of DMS concentration. |
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| 306 | !! air-sea fluxes are calculated by atmospheric chemitry model |
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| 307 | !! from atm and oc-surface concentrations. |
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| 308 | !! |
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| 309 | !! AXY (13/03/15): this is amended to calculate all of the DMS |
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| 310 | !! estimates examined during UKESM1 (see |
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| 311 | !! comments in trcdms_medusa.F90) |
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| 312 | !! |
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| 313 | IF (jdms == 1) THEN |
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| 314 | DO jj = 2,jpjm1 |
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| 315 | DO ji = 2,jpim1 |
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| 316 | if (tmask(ji,jj,1) == 1) then |
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| 317 | !! |
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| 318 | !! feed in correct inputs |
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| 319 | if (jdms_input .eq. 0) then |
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| 320 | !! use instantaneous inputs |
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| 321 | CALL trc_dms_medusa(zchn(ji,jj),zchd(ji,jj), & |
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| 322 | hmld(ji,jj),qsr(ji,jj), & |
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| 323 | zdin(ji,jj), & |
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| 324 | dms_andr(ji,jj),dms_simo(ji,jj), & |
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| 325 | dms_aran(ji,jj),dms_hall(ji,jj)) |
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| 326 | else |
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| 327 | !! use diel-average inputs |
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| 328 | CALL trc_dms_medusa(zn_dms_chn(ji,jj),zn_dms_chd(ji,jj), & |
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| 329 | zn_dms_mld(ji,jj),zn_dms_qsr(ji,jj), & |
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| 330 | zn_dms_din(ji,jj), & |
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| 331 | dms_andr(ji,jj),dms_simo(ji,jj), & |
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| 332 | dms_aran(ji,jj),dms_hall(ji,jj)) |
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| 333 | endif |
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| 334 | !! |
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| 335 | !! assign correct output to variable passed to atmosphere |
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| 336 | if (jdms_model .eq. 1) then |
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| 337 | dms_surf(ji,jj) = dms_andr(ji,jj) |
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| 338 | elseif (jdms_model .eq. 2) then |
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| 339 | dms_surf(ji,jj) = dms_simo(ji,jj) |
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| 340 | elseif (jdms_model .eq. 3) then |
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| 341 | dms_surf(ji,jj) = dms_aran(ji,jj) |
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| 342 | elseif (jdms_model .eq. 4) then |
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| 343 | dms_surf(ji,jj) = dms_hall(ji,jj) |
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| 344 | endif |
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| 345 | !! |
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| 346 | !! 2D diag through iom_use |
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| 347 | IF( lk_iomput ) THEN |
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| 348 | IF( med_diag%DMS_SURF%dgsave ) THEN |
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| 349 | dms_surf2d(ji,jj) = dms_surf(ji,jj) |
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| 350 | ENDIF |
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| 351 | IF( med_diag%DMS_ANDR%dgsave ) THEN |
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| 352 | dms_andr2d(ji,jj) = dms_andr(ji,jj) |
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| 353 | ENDIF |
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| 354 | IF( med_diag%DMS_SIMO%dgsave ) THEN |
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| 355 | dms_simo2d(ji,jj) = dms_simo(ji,jj) |
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| 356 | ENDIF |
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| 357 | IF( med_diag%DMS_ARAN%dgsave ) THEN |
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| 358 | dms_aran2d(ji,jj) = dms_aran(ji,jj) |
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| 359 | ENDIF |
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| 360 | IF( med_diag%DMS_HALL%dgsave ) THEN |
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| 361 | dms_hall2d(ji,jj) = dms_hall(ji,jj) |
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| 362 | ENDIF |
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| 363 | # if defined key_debug_medusa |
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| 364 | IF (lwp) write (numout,*) & |
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| 365 | 'trc_bio_medusa: finish calculating dms' |
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| 366 | CALL flush(numout) |
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| 367 | # endif |
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| 368 | ENDIF !! End iom |
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| 369 | ENDIF |
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| 370 | ENDDO |
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| 371 | ENDDO |
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| 372 | ENDIF !! End IF (jdms == 1) |
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| 373 | |
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| 374 | |
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| 375 | !! |
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| 376 | !! store 2D outputs |
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| 377 | !! |
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| 378 | !! JPALM -- 17-11-16 -- put fgco2 out of diag request |
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| 379 | !! is needed for coupling; pass through restart |
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| 380 | DO jj = 2,jpjm1 |
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| 381 | DO ji = 2,jpim1 |
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| 382 | if (tmask(ji,jj,1) == 1) then |
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| 383 | !! IF( med_diag%FGCO2%dgsave ) THEN |
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| 384 | !! convert from mol/m2/day to kg/m2/s |
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| 385 | !! mmol-C/m3/d -> kg-CO2/m2/s |
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| 386 | fgco2(ji,jj) = f_co2flux(ji,jj) * fse3t(ji,jj,1) * & |
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| 387 | CO2flux_conv |
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| 388 | !! ENDIF |
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| 389 | IF ( lk_iomput ) THEN |
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| 390 | IF( med_diag%ATM_PCO2%dgsave ) THEN |
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| 391 | f_pco2a2d(ji,jj) = f_pco2atm(ji,jj) |
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| 392 | ENDIF |
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| 393 | IF( med_diag%OCN_PCO2%dgsave ) THEN |
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| 394 | f_pco2w2d(ji,jj) = f_pco2w(ji,jj) |
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| 395 | ENDIF |
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| 396 | IF( med_diag%CO2FLUX%dgsave ) THEN |
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| 397 | !! mmol/m3/d -> mmol/m2/d |
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| 398 | f_co2flux2d(ji,jj) = f_co2flux(ji,jj) * fse3t(ji,jj,1) |
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| 399 | ENDIF |
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| 400 | IF( med_diag%TCO2%dgsave ) THEN |
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| 401 | f_TDIC2d(ji,jj) = f_TDIC(ji,jj) |
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| 402 | ENDIF |
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| 403 | IF( med_diag%TALK%dgsave ) THEN |
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| 404 | f_TALK2d(ji,jj) = f_TALK(ji,jj) |
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| 405 | ENDIF |
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| 406 | IF( med_diag%KW660%dgsave ) THEN |
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| 407 | f_kw6602d(ji,jj) = f_kw660(ji,jj) |
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| 408 | ENDIF |
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| 409 | IF( med_diag%ATM_PP0%dgsave ) THEN |
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| 410 | f_pp02d(ji,jj) = f_pp0(ji,jj) |
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| 411 | ENDIF |
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| 412 | IF( med_diag%O2FLUX%dgsave ) THEN |
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| 413 | f_o2flux2d(ji,jj) = f_o2flux(ji,jj) |
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| 414 | ENDIF |
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| 415 | IF( med_diag%O2SAT%dgsave ) THEN |
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| 416 | f_o2sat2d(ji,jj) = f_o2sat(ji,jj) |
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| 417 | ENDIF |
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| 418 | !! AXY (24/11/16): add in extra MOCSY diagnostics |
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| 419 | IF( med_diag%ATM_XCO2%dgsave ) THEN |
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| 420 | f_xco2a_2d(ji,jj) = f_xco2a(ji,jj) |
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| 421 | ENDIF |
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| 422 | IF( med_diag%OCN_FCO2%dgsave ) THEN |
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| 423 | f_fco2w_2d(ji,jj) = f_fco2w(ji,jj) |
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| 424 | ENDIF |
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| 425 | IF( med_diag%ATM_FCO2%dgsave ) THEN |
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| 426 | f_fco2a_2d(ji,jj) = f_fco2atm(ji,jj) |
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| 427 | ENDIF |
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| 428 | IF( med_diag%OCN_RHOSW%dgsave ) THEN |
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| 429 | f_ocnrhosw_2d(ji,jj) = f_rhosw(ji,jj) |
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| 430 | ENDIF |
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| 431 | IF( med_diag%OCN_SCHCO2%dgsave ) THEN |
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| 432 | f_ocnschco2_2d(ji,jj) = f_schmidtco2(ji,jj) |
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| 433 | ENDIF |
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| 434 | IF( med_diag%OCN_KWCO2%dgsave ) THEN |
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| 435 | f_ocnkwco2_2d(ji,jj) = f_kwco2(ji,jj) |
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| 436 | ENDIF |
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| 437 | IF( med_diag%OCN_K0%dgsave ) THEN |
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| 438 | f_ocnk0_2d(ji,jj) = f_K0(ji,jj) |
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| 439 | ENDIF |
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| 440 | IF( med_diag%CO2STARAIR%dgsave ) THEN |
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| 441 | f_co2starair_2d(ji,jj) = f_co2starair(ji,jj) |
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| 442 | ENDIF |
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| 443 | IF( med_diag%OCN_DPCO2%dgsave ) THEN |
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| 444 | f_ocndpco2_2d(ji,jj) = f_dpco2(ji,jj) |
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| 445 | ENDIF |
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| 446 | ENDIF |
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| 447 | ENDIF |
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| 448 | ENDDO |
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| 449 | ENDDO |
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| 450 | |
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| 451 | # endif |
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| 452 | |
|---|
| 453 | !!----------------------------------------------------------------- |
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| 454 | !! River inputs |
|---|
| 455 | !!----------------------------------------------------------------- |
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| 456 | DO jj = 2,jpjm1 |
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| 457 | DO ji = 2,jpim1 |
|---|
| 458 | !! OPEN wet point IF..THEN loop |
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| 459 | if (tmask(ji,jj,1) == 1) then |
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| 460 | !! |
|---|
| 461 | !! runoff comes in as kg / m2 / s |
|---|
| 462 | !! used and written out as m3 / m2 / d (= m / d) |
|---|
| 463 | !! where 1000 kg / m2 / d = |
|---|
| 464 | !! 1 m3 / m2 / d = 1 m / d |
|---|
| 465 | !! |
|---|
| 466 | !! AXY (17/07/14): the compiler doesn't like this line for |
|---|
| 467 | !! some reason; as MEDUSA doesn't even use |
|---|
| 468 | !! runoff for riverine inputs, a temporary |
|---|
| 469 | !! solution is to switch off runoff entirely |
|---|
| 470 | !! here; again, this change is one of several |
|---|
| 471 | !! that will need revisiting once MEDUSA has |
|---|
| 472 | !! bedded down in UKESM1; particularly so if |
|---|
| 473 | !! the land scheme provides information |
|---|
| 474 | !! concerning nutrient fluxes |
|---|
| 475 | !! |
|---|
| 476 | !! f_runoff(ji,jj) = sf_rnf(1)%fnow(ji,jj,1) / 1000. * 60. * & |
|---|
| 477 | !! 60. * 24. |
|---|
| 478 | f_runoff(ji,jj) = 0.0 |
|---|
| 479 | !! |
|---|
| 480 | !! nutrients are added via rivers to the model in one of |
|---|
| 481 | !! two ways: |
|---|
| 482 | !! 1. via river concentration; i.e. the average nutrient |
|---|
| 483 | !! concentration of a river water is described by a |
|---|
| 484 | !! spatial file, and this is multiplied by runoff to |
|---|
| 485 | !! give a nutrient flux |
|---|
| 486 | !! 2. via direct river flux; i.e. the average nutrient |
|---|
| 487 | !! flux due to rivers is described by a spatial file, |
|---|
| 488 | !! and this is simply applied as a direct nutrient |
|---|
| 489 | !! flux (i.e. it does not relate or respond to model |
|---|
| 490 | !! runoff) nutrient fields are derived from the |
|---|
| 491 | !! GlobalNEWS 2 database; carbon and alkalinity are |
|---|
| 492 | !! derived from continent-scale DIC estimates (Huang et |
|---|
| 493 | !! al., 2012) and some Arctic river alkalinity |
|---|
| 494 | !! estimates (Katya?) |
|---|
| 495 | !! |
|---|
| 496 | !! as of 19/07/12, riverine nutrients can now be spread |
|---|
| 497 | !! vertically across several grid cells rather than just |
|---|
| 498 | !! poured into the surface box; this block of code is still |
|---|
| 499 | !! executed, however, to set up the total amounts of |
|---|
| 500 | !! nutrient entering via rivers |
|---|
| 501 | !! |
|---|
| 502 | !! nitrogen |
|---|
| 503 | if (jriver_n .eq. 1) then |
|---|
| 504 | !! river concentration specified; use runoff to |
|---|
| 505 | !! calculate input |
|---|
| 506 | f_riv_n(ji,jj) = f_runoff(ji,jj) * riv_n(ji,jj) |
|---|
| 507 | elseif (jriver_n .eq. 2) then |
|---|
| 508 | !! river flux specified; independent of runoff |
|---|
| 509 | f_riv_n(ji,jj) = riv_n(ji,jj) |
|---|
| 510 | endif |
|---|
| 511 | !! |
|---|
| 512 | !! silicon |
|---|
| 513 | if (jriver_si .eq. 1) then |
|---|
| 514 | !! river concentration specified; use runoff to |
|---|
| 515 | !! calculate input |
|---|
| 516 | f_riv_si(ji,jj) = f_runoff(ji,jj) * riv_si(ji,jj) |
|---|
| 517 | elseif (jriver_si .eq. 2) then |
|---|
| 518 | !! river flux specified; independent of runoff |
|---|
| 519 | f_riv_si(ji,jj) = riv_si(ji,jj) |
|---|
| 520 | endif |
|---|
| 521 | !! |
|---|
| 522 | !! carbon |
|---|
| 523 | if (jriver_c .eq. 1) then |
|---|
| 524 | !! river concentration specified; use runoff to |
|---|
| 525 | !! calculate input |
|---|
| 526 | f_riv_c(ji,jj) = f_runoff(ji,jj) * riv_c(ji,jj) |
|---|
| 527 | elseif (jriver_c .eq. 2) then |
|---|
| 528 | !! river flux specified; independent of runoff |
|---|
| 529 | f_riv_c(ji,jj) = riv_c(ji,jj) |
|---|
| 530 | endif |
|---|
| 531 | !! |
|---|
| 532 | !! alkalinity |
|---|
| 533 | if (jriver_alk .eq. 1) then |
|---|
| 534 | !! river concentration specified; use runoff to |
|---|
| 535 | !! calculate input |
|---|
| 536 | f_riv_alk(ji,jj) = f_runoff(ji,jj) * riv_alk(ji,jj) |
|---|
| 537 | elseif (jriver_alk .eq. 2) then |
|---|
| 538 | !! river flux specified; independent of runoff |
|---|
| 539 | f_riv_alk(ji,jj) = riv_alk(ji,jj) |
|---|
| 540 | endif |
|---|
| 541 | ENDIF |
|---|
| 542 | ENDDO |
|---|
| 543 | ENDDO |
|---|
| 544 | |
|---|
| 545 | END SUBROUTINE air_sea |
|---|
| 546 | |
|---|
| 547 | #else |
|---|
| 548 | !!====================================================================== |
|---|
| 549 | !! Dummy module : No MEDUSA bio-model |
|---|
| 550 | !!====================================================================== |
|---|
| 551 | CONTAINS |
|---|
| 552 | SUBROUTINE air_sea( ) ! Empty routine |
|---|
| 553 | WRITE(*,*) 'air_sea: You should not have seen this print! error?' |
|---|
| 554 | END SUBROUTINE air_sea |
|---|
| 555 | #endif |
|---|
| 556 | |
|---|
| 557 | !!====================================================================== |
|---|
| 558 | END MODULE air_sea_mod |
|---|
