| 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 | !! - ! 2017-08 (A. Yool) Add air-sea flux kill switch |
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| 9 | !!---------------------------------------------------------------------- |
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| 10 | #if defined key_medusa |
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| 11 | !!---------------------------------------------------------------------- |
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| 12 | !! MEDUSA bio-model |
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| 13 | !!---------------------------------------------------------------------- |
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| 14 | |
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| 15 | IMPLICIT NONE |
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| 16 | PRIVATE |
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| 17 | |
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| 18 | PUBLIC air_sea ! Called in trcbio_medusa.F90 |
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| 19 | |
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| 20 | !!---------------------------------------------------------------------- |
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| 21 | !! NEMO/TOP 2.0 , LOCEAN-IPSL (2007) |
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| 22 | !! $Id$ |
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| 23 | !! Software governed by the CeCILL licence (modipsl/doc/NEMO_CeCILL.txt) |
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| 24 | !!---------------------------------------------------------------------- |
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| 25 | |
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| 26 | CONTAINS |
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| 27 | |
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| 28 | SUBROUTINE air_sea( kt ) |
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| 29 | !!--------------------------------------------------------------------- |
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| 30 | !! *** ROUTINE air_sea *** |
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| 31 | !! This called from TRC_BIO_MEDUSA and |
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| 32 | !! - calculate air-sea gas exchange |
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| 33 | !! - river inputs |
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| 34 | !!---------------------------------------------------------------------- |
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| 35 | USE bio_medusa_mod, ONLY: f_riv_alk, f_riv_c, f_riv_n, & |
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| 36 | f_riv_si, f_runoff, & |
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| 37 | fgco2, zphn, zphd, & |
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| 38 | # if defined key_roam |
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| 39 | dms_andr, dms_andr2d, dms_aran, & |
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| 40 | dms_aran2d, dms_hall, dms_hall2d, & |
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| 41 | dms_simo, dms_simo2d, dms_surf, & |
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| 42 | dms_surf2d, dms_andm, dms_andm2d, & |
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| 43 | dms_nlim, dms_wtkn, & |
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| 44 | f_co2flux, f_co2flux2d, & |
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| 45 | f_co2starair_2d, f_co3, & |
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| 46 | f_dcf, f_fco2a_2d, f_fco2w_2d, & |
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| 47 | f_h2co3, f_hco3, f_henry, & |
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| 48 | f_kw660, f_kw6602d, & |
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| 49 | f_o2flux, f_o2flux2d, f_o2sat, & |
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| 50 | f_o2sat2d, f_ocndpco2_2d, & |
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| 51 | f_ocnk0_2d, f_ocnkwco2_2d, & |
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| 52 | f_ocnrhosw_2d, f_ocnschco2_2d, & |
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| 53 | f_omarg, f_omcal, & |
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| 54 | f_pco2a2d, f_pco2atm, f_pco2w, & |
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| 55 | f_pco2w2d, f_ph, f_pp0, f_pp02d, & |
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| 56 | f_TALK, f_TALK2d, f_TDIC, f_TDIC2d, & |
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| 57 | f_xco2a, f_xco2a_2d, & |
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| 58 | zalk, zdic, zoxy, zsal, ztmp, & |
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| 59 | # endif |
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| 60 | # if defined key_mocsy |
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| 61 | zpho, & |
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| 62 | # endif |
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| 63 | zchd, zchn, zdin, zsil |
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| 64 | USE dom_oce, ONLY: e3t_0, gphit, tmask, mig, mjg |
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| 65 | # if defined key_vvl |
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| 66 | USE dom_oce, ONLY: e3t_n |
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| 67 | # endif |
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| 68 | USE iom, ONLY: lk_iomput |
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| 69 | USE in_out_manager, ONLY: lwp, numout |
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| 70 | USE par_kind, ONLY: wp |
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| 71 | USE par_oce, ONLY: jpi, jpim1, jpj, jpjm1 |
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| 72 | USE sbc_oce, ONLY: fr_i, qsr, wndm |
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| 73 | USE sms_medusa, ONLY: jdms, jdms_input, jdms_model, & |
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| 74 | jriver_alk, jriver_c, & |
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| 75 | jriver_n, jriver_si, & |
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| 76 | riv_alk, riv_c, riv_n, riv_si, & |
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| 77 | zn_dms_chd, zn_dms_chn, zn_dms_din, & |
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| 78 | zn_dms_mld, zn_dms_qsr, & |
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| 79 | # if defined key_foam_medusa |
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| 80 | f2_pco2w, f2_fco2w, & |
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| 81 | # endif |
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| 82 | xnln, xnld |
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| 83 | USE trc, ONLY: med_diag |
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| 84 | USE zdfmxl, ONLY: hmld |
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| 85 | |
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| 86 | # if defined key_roam |
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| 87 | USE gastransfer, ONLY: gas_transfer |
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| 88 | # if defined key_mocsy |
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| 89 | USE mocsy_wrapper, ONLY: mocsy_interface |
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| 90 | # else |
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| 91 | USE trcco2_medusa, ONLY: trc_co2_medusa |
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| 92 | # if defined key_foam_medusa |
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| 93 | USE mocsy_mainmod, ONLY: p2fCO2 |
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| 94 | # endif |
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| 95 | # endif |
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| 96 | USE trcdms_medusa, ONLY: trc_dms_medusa |
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| 97 | USE trcoxy_medusa, ONLY: trc_oxy_medusa |
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| 98 | # endif |
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| 99 | USE lib_mpp, ONLY: ctl_stop |
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| 100 | USE trcstat, ONLY: trc_rst_dia_stat |
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| 101 | |
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| 102 | !!* Substitution |
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| 103 | # include "domzgr_substitute.h90" |
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| 104 | |
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| 105 | !! time (integer timestep) |
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| 106 | INTEGER, INTENT( in ) :: kt |
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| 107 | |
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| 108 | !! Loop variables |
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| 109 | INTEGER :: ji, jj |
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| 110 | |
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| 111 | # if defined key_roam |
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| 112 | !! jpalm 14-07-2016: convert CO2flux diag from mmol/m2/d to kg/m2/s |
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| 113 | REAL, PARAMETER :: weight_CO2_mol = 44.0095 !! g / mol |
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| 114 | REAL, PARAMETER :: secs_in_day = 86400.0 !! s / d |
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| 115 | REAL, PARAMETER :: CO2flux_conv = (1.e-6 * weight_CO2_mol) / secs_in_day |
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| 116 | |
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| 117 | INTEGER :: iters |
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| 118 | |
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| 119 | !! AXY (23/06/15): additional diagnostics for MOCSY and oxygen |
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| 120 | REAL(wp), DIMENSION(jpi,jpj) :: f_fco2w, f_rhosw |
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| 121 | REAL(wp), DIMENSION(jpi,jpj) :: f_fco2atm |
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| 122 | REAL(wp), DIMENSION(jpi,jpj) :: f_schmidtco2, f_kwco2, f_K0 |
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| 123 | REAL(wp), DIMENSION(jpi,jpj) :: f_co2starair, f_dpco2 |
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| 124 | !! Output arguments from mocsy_interface, which aren't used |
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| 125 | REAL(wp) :: f_BetaD_dum, f_opres_dum |
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| 126 | REAL(wp) :: f_insitut_dum |
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| 127 | REAL(wp) :: f_kwo2_dum |
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| 128 | # endif |
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| 129 | |
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| 130 | |
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| 131 | # if defined key_roam |
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| 132 | !! init |
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| 133 | f_fco2w(:,:) = 0.0 |
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| 134 | f_fco2atm(:,:) = 0.0 |
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| 135 | f_schmidtco2(:,:) = 0.0 |
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| 136 | f_kwco2(:,:) = 0.0 |
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| 137 | f_co2starair(:,:) = 0.0 |
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| 138 | f_dpco2(:,:) = 0.0 |
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| 139 | f_rhosw(:,:) = 0.0 |
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| 140 | f_K0(:,:) = 0.0 |
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| 141 | !! air pressure (atm); ultimately this will use air |
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| 142 | !! pressure at the base of the UKESM1 atmosphere |
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| 143 | !! |
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| 144 | f_pp0(:,:) = 1.0 |
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| 145 | |
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| 146 | |
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| 147 | !!----------------------------------------------------------- |
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| 148 | !! Air-sea gas exchange |
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| 149 | !!----------------------------------------------------------- |
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| 150 | |
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| 151 | # if defined key_debug_medusa |
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| 152 | IF (lwp) write (numout,*) & |
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| 153 | 'air-sea: gas_transfer kt = ', kt |
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| 154 | CALL flush(numout) |
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| 155 | # endif |
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| 156 | DO jj = 2,jpjm1 |
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| 157 | DO ji = 2,jpim1 |
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| 158 | !! OPEN wet point IF..THEN loop |
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| 159 | IF (tmask(ji,jj,1) == 1) then |
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| 160 | !! |
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| 161 | !! AXY (23/06/15): as part of an effort to update the |
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| 162 | !! carbonate chemistry in MEDUSA, the gas |
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| 163 | !! transfer velocity used in the carbon |
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| 164 | !! and oxygen cycles has been harmonised |
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| 165 | !! and is calculated by the same function |
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| 166 | !! here; this harmonisation includes |
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| 167 | !! changes to the PML carbonate chemistry |
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| 168 | !! scheme so that it too makes use of the |
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| 169 | !! same gas transfer velocity; the |
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| 170 | !! preferred parameterisation of this is |
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| 171 | !! Wanninkhof (2014), option 7 |
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| 172 | !! |
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| 173 | CALL gas_transfer( wndm(ji,jj), 1, 7, & ! inputs |
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| 174 | f_kw660(ji,jj) ) ! outputs |
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| 175 | ENDIF |
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| 176 | ENDDO |
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| 177 | ENDDO |
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| 178 | |
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| 179 | # if defined key_debug_medusa |
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| 180 | IF (lwp) write (numout,*) & |
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| 181 | 'air-sea: carb-chem kt = ', kt |
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| 182 | CALL flush(numout) |
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| 183 | !! JPALM add carb print: |
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| 184 | call trc_rst_dia_stat(f_xco2a(:,:), 'f_xco2a') |
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| 185 | call trc_rst_dia_stat(wndm(:,:), 'wndm') |
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| 186 | call trc_rst_dia_stat(f_kw660(:,:), 'f_kw660') |
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| 187 | call trc_rst_dia_stat(ztmp(:,:), 'ztmp') |
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| 188 | call trc_rst_dia_stat(zsal(:,:), 'zsal') |
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| 189 | call trc_rst_dia_stat(zalk(:,:), 'zalk') |
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| 190 | call trc_rst_dia_stat(zdic(:,:), 'zdic') |
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| 191 | call trc_rst_dia_stat(zsil(:,:), 'zsil') |
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| 192 | call trc_rst_dia_stat(zpho(:,:), 'zpho') |
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| 193 | # endif |
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| 194 | # if defined key_axy_carbchem |
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| 195 | # if defined key_mocsy |
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| 196 | DO jj = 2,jpjm1 |
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| 197 | DO ji = 2,jpim1 |
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| 198 | if (tmask(ji,jj,1) == 1) then |
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| 199 | !! |
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| 200 | !! Jpalm -- 12-09-2017 -- add extra check after reccurent |
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| 201 | !! carbonate failure in the coupled run. |
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| 202 | !! must be associated to air-sea flux or air xCO2... |
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| 203 | !! Check MOCSY inputs |
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| 204 | IF ( (zsal(ji,jj) > 75.0 ).OR.(zsal(ji,jj) < 0.0 ) .OR. & |
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| 205 | (ztmp(ji,jj) > 50.0 ).OR.(ztmp(ji,jj) < -20.0 ) .OR. & |
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| 206 | (zalk(ji,jj) > 35.0E2 ).OR.(zalk(ji,jj) <= 0.0 ) .OR. & |
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| 207 | (zdic(ji,jj) > 35.0E2 ).OR.(zdic(ji,jj) <= 0.0 ) .OR. & |
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| 208 | (f_kw660(ji,jj) > 1.0E-2 ).OR.(f_kw660(ji,jj) < 0.0 ) ) THEN |
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| 209 | IF(lwp) THEN |
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| 210 | WRITE(numout,*) ' surface T = ',ztmp(ji,jj) |
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| 211 | WRITE(numout,*) ' surface S = ',zsal(ji,jj) |
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| 212 | WRITE(numout,*) ' surface ALK = ',zalk(ji,jj) |
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| 213 | WRITE(numout,*) ' surface DIC = ',zdic(ji,jj) |
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| 214 | WRITE(numout,*) ' KW660 = ',f_kw660(ji,jj) |
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| 215 | WRITE(numout,*) ' atm xCO2 = ',f_xco2a(ji,jj) |
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| 216 | WRITE(numout,*) ' surface pco2w = ',f_pco2w(ji,jj) |
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| 217 | WRITE(numout,*) ' surface fco2w = ',f_fco2w(ji,jj) |
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| 218 | WRITE(numout,*) ' surface fco2a = ',f_fco2atm(ji,jj) |
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| 219 | WRITE(numout,*) ' surface co2flx = ',f_co2flux(ji,jj) |
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| 220 | WRITE(numout,*) ' surface dpco2 = ',f_dpco2(ji,jj) |
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| 221 | WRITE(numout,*) ' MOCSY input: ji =', mig(ji),' jj = ', mjg(jj), & |
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| 222 | ' kt = ', kt |
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| 223 | WRITE(numout,*) 'MEDUSA - Air-Sea INPUT: unrealistic surface Carb. Chemistry' |
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| 224 | ENDIF |
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| 225 | CALL ctl_stop( 'MEDUSA - Air-Sea INPUT: ', & |
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| 226 | 'unrealistic surface Carb. Chemistry -- INPUTS' ) |
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| 227 | ENDIF |
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| 228 | !! |
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| 229 | !! AXY (22/06/15): use Orr & Epitalon (2015) MOCSY-2 carbonate |
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| 230 | !! chemistry package; note that depth is set to |
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| 231 | !! zero in this call |
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| 232 | CALL mocsy_interface(ztmp(ji,jj),zsal(ji,jj),zalk(ji,jj), & |
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| 233 | zdic(ji,jj),zsil(ji,jj),zpho(ji,jj), & |
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| 234 | f_pp0(ji,jj),0.0, & |
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| 235 | gphit(ji,jj),f_kw660(ji,jj), & |
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| 236 | f_xco2a(ji,jj),1,f_ph(ji,jj), & |
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| 237 | f_pco2w(ji,jj),f_fco2w(ji,jj), & |
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| 238 | f_h2co3(ji,jj),f_hco3(ji,jj), & |
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| 239 | f_co3(ji,jj),f_omarg(ji,jj), & |
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| 240 | f_omcal(ji,jj),f_BetaD_dum, & |
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| 241 | f_rhosw(ji,jj),f_opres_dum, & |
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| 242 | f_insitut_dum,f_pco2atm(ji,jj), & |
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| 243 | f_fco2atm(ji,jj),f_schmidtco2(ji,jj), & |
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| 244 | f_kwco2(ji,jj),f_K0(ji,jj), & |
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| 245 | f_co2starair(ji,jj),f_co2flux(ji,jj), & |
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| 246 | f_dpco2(ji,jj)) |
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| 247 | !! mmol / m3 -> umol / kg |
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| 248 | f_TDIC(ji,jj) = (zdic(ji,jj) / f_rhosw(ji,jj)) * 1000. |
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| 249 | !! meq / m3 -> ueq / kg |
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| 250 | f_TALK(ji,jj) = (zalk(ji,jj) / f_rhosw(ji,jj)) * 1000. |
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| 251 | f_dcf(ji,jj) = f_rhosw(ji,jj) |
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| 252 | !! Jpalm -- 12-09-2017 -- add extra check after reccurent |
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| 253 | !! carbonate failure in the coupled run. |
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| 254 | !! must be associated to air-sea flux or air xCO2... |
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| 255 | !! Check MOCSY outputs |
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| 256 | !!=================== |
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| 257 | !! Jpalm -- 19-02-2018 -- remove the cap - only check MOCSY inputs |
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| 258 | !! because of specific area in arabic sea where strangely |
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| 259 | !! with core 2 forcing, ALK is lower than DIC and result in |
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| 260 | !! Enormous dpco2 - even if all carb chem caract are OK. |
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| 261 | !! and this check stops the model. |
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| 262 | !! --Input checks are already more than enough to stop the |
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| 263 | !! model if carb chem goes crazy. |
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| 264 | !! we remove the mocsy output checks |
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| 265 | !!=================== |
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| 266 | !!IF ( (f_pco2w(ji,jj) > 1.E4 ).OR.(f_pco2w(ji,jj) < 0.0 ) .OR. & |
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| 267 | !! (f_fco2w(ji,jj) > 1.E4 ).OR.(f_fco2w(ji,jj) < 0.0 ) .OR. & |
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| 268 | !! (f_fco2atm(ji,jj) > 1.E4 ).OR.(f_fco2atm(ji,jj) < 0.0 ) .OR. & |
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| 269 | !! (f_co2flux(ji,jj) > 1.E-1 ).OR.(f_co2flux(ji,jj) < -1.E-1 ) .OR. & |
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| 270 | !! (f_dpco2(ji,jj) > 1.E4 ).OR.(f_dpco2(ji,jj) < -1.E4 ) ) THEN |
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| 271 | !! IF(lwp) THEN |
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| 272 | !! WRITE(numout,*) ' surface T = ',ztmp(ji,jj) |
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| 273 | !! WRITE(numout,*) ' surface S = ',zsal(ji,jj) |
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| 274 | !! WRITE(numout,*) ' surface ALK = ',zalk(ji,jj) |
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| 275 | !! WRITE(numout,*) ' surface DIC = ',zdic(ji,jj) |
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| 276 | !! WRITE(numout,*) ' KW660 = ',f_kw660(ji,jj) |
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| 277 | !! WRITE(numout,*) ' atm xCO2 = ',f_xco2a(ji,jj) |
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| 278 | !! WRITE(numout,*) ' surface pco2w = ',f_pco2w(ji,jj) |
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| 279 | !! WRITE(numout,*) ' surface fco2w = ',f_fco2w(ji,jj) |
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| 280 | !! WRITE(numout,*) ' surface fco2a = ',f_fco2atm(ji,jj) |
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| 281 | !! WRITE(numout,*) ' surface co2flx = ',f_co2flux(ji,jj) |
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| 282 | !! WRITE(numout,*) ' surface dpco2 = ',f_dpco2(ji,jj) |
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| 283 | !! WRITE(numout,*) ' MOCSY output: ji =', mig(ji),' jj = ', mjg(jj), & |
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| 284 | !! ' kt = ', kt |
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| 285 | !! WRITE(numout,*) 'MEDUSA - Air-Sea OUTPUT: unrealistic surface Carb. Chemistry' |
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| 286 | !! ENDIF |
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| 287 | !! CALL ctl_stop( 'MEDUSA - Air-Sea OUTPUT: ', & |
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| 288 | !! 'unrealistic surface Carb. Chemistry -- OUTPUTS' ) |
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| 289 | !!ENDIF |
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| 290 | ENDIF |
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| 291 | ENDDO |
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| 292 | ENDDO |
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| 293 | |
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| 294 | # if defined key_debug_medusa |
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| 295 | !! JPALM add carb print: |
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| 296 | call trc_rst_dia_stat(f_pco2w(:,:), 'f_pco2w') |
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| 297 | call trc_rst_dia_stat(f_fco2w(:,:), 'f_fco2w') |
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| 298 | call trc_rst_dia_stat(f_fco2atm(:,:), 'f_fco2atm') |
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| 299 | call trc_rst_dia_stat(f_schmidtco2(:,:), 'f_schmidtco2') |
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| 300 | call trc_rst_dia_stat(f_kwco2(:,:), 'f_kwco2') |
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| 301 | call trc_rst_dia_stat(f_co2starair(:,:), 'f_co2starair') |
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| 302 | call trc_rst_dia_stat(f_co2flux(:,:), 'f_co2flux') |
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| 303 | call trc_rst_dia_stat(f_dpco2(:,:), 'f_dpco2') |
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| 304 | # endif |
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| 305 | # else |
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| 306 | |
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| 307 | DO jj = 2,jpjm1 |
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| 308 | DO ji = 2,jpim1 |
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| 309 | if (tmask(ji,jj,1) == 1) then |
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| 310 | iters = 0 |
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| 311 | !! |
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| 312 | !! carbon dioxide (CO2); Jerry Blackford code (ostensibly |
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| 313 | !! OCMIP-2, but not) |
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| 314 | CALL trc_co2_medusa(ztmp(ji,jj),zsal(ji,jj),zdic(ji,jj), & |
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| 315 | zalk(ji,jj),0.0, & |
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| 316 | f_kw660(ji,jj),f_xco2a(ji,jj), & |
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| 317 | f_ph(ji,jj), & |
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| 318 | f_pco2w(ji,jj),f_h2co3(ji,jj), & |
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| 319 | f_hco3(ji,jj),f_co3(ji,jj), & |
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| 320 | f_omcal(ji,jj),f_omarg(ji,jj), & |
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| 321 | f_co2flux(ji,jj),f_TDIC(ji,jj), & |
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| 322 | f_TALK(ji,jj),f_dcf(ji,jj), & |
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| 323 | f_henry(ji,jj),iters) |
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| 324 | !! |
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| 325 | !! AXY (09/01/14): removed iteration and NaN checks; these have |
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| 326 | !! been moved to trc_co2_medusa together with a |
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| 327 | !! fudge that amends erroneous values (this is |
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| 328 | !! intended to be a temporary fudge!); the |
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| 329 | !! output warnings are retained here so that |
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| 330 | !! failure position can be determined |
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| 331 | if (iters .eq. 25) then |
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| 332 | IF(lwp) WRITE(numout,*) 'air-sea: ITERS WARNING, ', & |
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| 333 | iters, ' AT (', ji, ', ', jj, ', 1) AT ', kt |
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| 334 | endif |
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| 335 | # if defined key_foam_medusa |
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| 336 | !! DAF (Aug 2017): calculate fCO2 for observation operator |
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| 337 | CALL p2fCO2( f_pco2w, ztmp, f_pp0, 0.0, 1, f_fco2w ) |
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| 338 | # endif |
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| 339 | ENDIF |
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| 340 | ENDDO |
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| 341 | ENDDO |
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| 342 | |
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| 343 | # endif |
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| 344 | # else |
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| 345 | |
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| 346 | DO jj = 2,jpjm1 |
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| 347 | DO ji = 2,jpim1 |
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| 348 | if (tmask(ji,jj,1) == 1) then |
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| 349 | !! AXY (18/04/13): switch off carbonate chemistry |
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| 350 | !! calculations; provide quasi-sensible |
|---|
| 351 | !! alternatives |
|---|
| 352 | f_ph(ji,jj) = 8.1 |
|---|
| 353 | f_pco2w(ji,jj) = f_xco2a(ji,jj) |
|---|
| 354 | f_h2co3(ji,jj) = 0.005 * zdic(ji,jj) |
|---|
| 355 | f_hco3(ji,jj) = 0.865 * zdic(ji,jj) |
|---|
| 356 | f_co3(ji,jj) = 0.130 * zdic(ji,jj) |
|---|
| 357 | f_omcal(ji,jj) = 4. |
|---|
| 358 | f_omarg(ji,jj) = 2. |
|---|
| 359 | f_co2flux(ji,jj) = 0. |
|---|
| 360 | f_TDIC(ji,jj) = zdic(ji,jj) |
|---|
| 361 | f_TALK(ji,jj) = zalk(ji,jj) |
|---|
| 362 | f_dcf(ji,jj) = 1.026 |
|---|
| 363 | f_henry(ji,jj) = 1. |
|---|
| 364 | !! AXY (23/06/15): add in some extra MOCSY diagnostics |
|---|
| 365 | f_fco2w(ji,jj) = f_xco2a(ji,jj) |
|---|
| 366 | ! This doesn't seem to be used - marc 16/5/17 |
|---|
| 367 | ! f_BetaD(ji,jj) = 1. |
|---|
| 368 | f_rhosw(ji,jj) = 1.026 |
|---|
| 369 | ! This doesn't seem to be used - marc 16/5/17 |
|---|
| 370 | ! f_opres(ji,jj) = 0. |
|---|
| 371 | ! f_insitut(ji,jj) = ztmp(ji,jj) |
|---|
| 372 | f_pco2atm(ji,jj) = f_xco2a(ji,jj) |
|---|
| 373 | f_fco2atm(ji,jj) = f_xco2a(ji,jj) |
|---|
| 374 | f_schmidtco2(ji,jj) = 660. |
|---|
| 375 | f_kwco2(ji,jj) = 0. |
|---|
| 376 | f_K0(ji,jj) = 0. |
|---|
| 377 | f_co2starair(ji,jj) = f_xco2a(ji,jj) |
|---|
| 378 | f_dpco2(ji,jj) = 0. |
|---|
| 379 | ENDIF |
|---|
| 380 | ENDDO |
|---|
| 381 | ENDDO |
|---|
| 382 | # endif |
|---|
| 383 | |
|---|
| 384 | # if defined key_axy_killco2flux |
|---|
| 385 | !! AXY (18/08/17): single kill switch on air-sea CO2 flux for budget checking |
|---|
| 386 | f_co2flux(:,:) = 0. |
|---|
| 387 | # endif |
|---|
| 388 | |
|---|
| 389 | DO jj = 2,jpjm1 |
|---|
| 390 | DO ji = 2,jpim1 |
|---|
| 391 | if (tmask(ji,jj,1) == 1) then |
|---|
| 392 | !! mmol/m2/s -> mmol/m3/d; correct for sea-ice; divide |
|---|
| 393 | !! through by layer thickness |
|---|
| 394 | f_co2flux(ji,jj) = (1. - fr_i(ji,jj)) * f_co2flux(ji,jj) * & |
|---|
| 395 | 86400. / fse3t(ji,jj,1) |
|---|
| 396 | !! |
|---|
| 397 | !! oxygen (O2); OCMIP-2 code |
|---|
| 398 | !! AXY (23/06/15): amend input list for oxygen to account |
|---|
| 399 | !! for common gas transfer velocity |
|---|
| 400 | CALL trc_oxy_medusa(ztmp(ji,jj),zsal(ji,jj),f_kw660(ji,jj), & |
|---|
| 401 | f_pp0(ji,jj),zoxy(ji,jj), & |
|---|
| 402 | f_kwo2_dum,f_o2flux(ji,jj), & |
|---|
| 403 | f_o2sat(ji,jj)) |
|---|
| 404 | !! |
|---|
| 405 | !! mmol/m2/s -> mol/m3/d; correct for sea-ice; divide |
|---|
| 406 | !! through by layer thickness |
|---|
| 407 | f_o2flux(ji,jj) = (1. - fr_i(ji,jj)) * f_o2flux(ji,jj) * & |
|---|
| 408 | 86400. / fse3t(ji,jj,1) |
|---|
| 409 | ENDIF |
|---|
| 410 | ENDDO |
|---|
| 411 | ENDDO |
|---|
| 412 | |
|---|
| 413 | !! Jpalm (08-2014) |
|---|
| 414 | !! DMS surface concentration calculation |
|---|
| 415 | !! initialy added for UKESM1 model. |
|---|
| 416 | !! using MET-OFFICE subroutine. |
|---|
| 417 | !! DMS module only needs Chl concentration and MLD |
|---|
| 418 | !! to get an aproximate value of DMS concentration. |
|---|
| 419 | !! air-sea fluxes are calculated by atmospheric chemitry model |
|---|
| 420 | !! from atm and oc-surface concentrations. |
|---|
| 421 | !! |
|---|
| 422 | !! AXY (13/03/15): this is amended to calculate all of the DMS |
|---|
| 423 | !! estimates examined during UKESM1 (see |
|---|
| 424 | !! comments in trcdms_medusa.F90) |
|---|
| 425 | !! |
|---|
| 426 | !! AXY (25/05/17): amended to additionally pass DIN limitation as well as [DIN]; |
|---|
| 427 | !! accounts for differences in nutrient half-saturations; changes |
|---|
| 428 | !! also made in trc_dms_medusa; this permits an additional DMS |
|---|
| 429 | !! calculation while retaining the existing Anderson one |
|---|
| 430 | !! |
|---|
| 431 | IF (jdms == 1) THEN |
|---|
| 432 | DO jj = 2,jpjm1 |
|---|
| 433 | DO ji = 2,jpim1 |
|---|
| 434 | if (tmask(ji,jj,1) == 1) then |
|---|
| 435 | !! calculate weighted half-saturation for DIN uptake |
|---|
| 436 | dms_wtkn(ji,jj) = ((zphn(ji,jj) * xnln) + & |
|---|
| 437 | (zphd(ji,jj) * xnld)) / & |
|---|
| 438 | (zphn(ji,jj) + zphd(ji,jj)) |
|---|
| 439 | !! |
|---|
| 440 | !! feed in correct inputs |
|---|
| 441 | if (jdms_input .eq. 0) then |
|---|
| 442 | !! use instantaneous inputs |
|---|
| 443 | dms_nlim(ji,jj) = zdin(ji,jj) / (zdin(ji,jj) + dms_wtkn(ji,jj)) |
|---|
| 444 | !! |
|---|
| 445 | CALL trc_dms_medusa(zchn(ji,jj),zchd(ji,jj), & |
|---|
| 446 | hmld(ji,jj),qsr(ji,jj), & |
|---|
| 447 | zdin(ji,jj), dms_nlim(ji,jj), & |
|---|
| 448 | dms_andr,dms_simo,dms_aran,dms_hall, & |
|---|
| 449 | dms_andm) |
|---|
| 450 | else |
|---|
| 451 | !! use diel-average inputs |
|---|
| 452 | dms_nlim(ji,jj) = zn_dms_din(ji,jj) / & |
|---|
| 453 | (zn_dms_din(ji,jj) + dms_wtkn(ji,jj)) |
|---|
| 454 | !! |
|---|
| 455 | CALL trc_dms_medusa(zn_dms_chn(ji,jj),zn_dms_chd(ji,jj), & |
|---|
| 456 | zn_dms_mld(ji,jj),zn_dms_qsr(ji,jj), & |
|---|
| 457 | zn_dms_din(ji,jj),dms_nlim(ji,jj), & |
|---|
| 458 | dms_andr,dms_simo,dms_aran,dms_hall, & |
|---|
| 459 | dms_andm) |
|---|
| 460 | endif |
|---|
| 461 | !! |
|---|
| 462 | !! assign correct output to variable passed to atmosphere |
|---|
| 463 | if (jdms_model .eq. 1) then |
|---|
| 464 | dms_surf = dms_andr |
|---|
| 465 | elseif (jdms_model .eq. 2) then |
|---|
| 466 | dms_surf = dms_simo |
|---|
| 467 | elseif (jdms_model .eq. 3) then |
|---|
| 468 | dms_surf = dms_aran |
|---|
| 469 | elseif (jdms_model .eq. 4) then |
|---|
| 470 | dms_surf = dms_hall |
|---|
| 471 | elseif (jdms_model .eq. 5) then |
|---|
| 472 | dms_surf = dms_andm |
|---|
| 473 | endif |
|---|
| 474 | !! |
|---|
| 475 | !! 2D diag through iom_use |
|---|
| 476 | IF( med_diag%DMS_SURF%dgsave ) THEN |
|---|
| 477 | dms_surf2d(ji,jj) = dms_surf |
|---|
| 478 | ENDIF |
|---|
| 479 | IF( med_diag%DMS_ANDR%dgsave ) THEN |
|---|
| 480 | dms_andr2d(ji,jj) = dms_andr |
|---|
| 481 | ENDIF |
|---|
| 482 | IF( med_diag%DMS_SIMO%dgsave ) THEN |
|---|
| 483 | dms_simo2d(ji,jj) = dms_simo |
|---|
| 484 | ENDIF |
|---|
| 485 | IF( med_diag%DMS_ARAN%dgsave ) THEN |
|---|
| 486 | dms_aran2d(ji,jj) = dms_aran |
|---|
| 487 | ENDIF |
|---|
| 488 | IF( med_diag%DMS_HALL%dgsave ) THEN |
|---|
| 489 | dms_hall2d(ji,jj) = dms_hall |
|---|
| 490 | ENDIF |
|---|
| 491 | IF( med_diag%DMS_ANDM%dgsave ) THEN |
|---|
| 492 | dms_andm2d(ji,jj) = dms_andm |
|---|
| 493 | ENDIF |
|---|
| 494 | ENDIF |
|---|
| 495 | ENDDO |
|---|
| 496 | ENDDO |
|---|
| 497 | # if defined key_debug_medusa |
|---|
| 498 | IF (lwp) write (numout,*) & |
|---|
| 499 | 'air-sea: finish calculating dms kt = ',kt |
|---|
| 500 | CALL flush(numout) |
|---|
| 501 | # endif |
|---|
| 502 | ENDIF !! End IF (jdms == 1) |
|---|
| 503 | |
|---|
| 504 | !! |
|---|
| 505 | !! store 2D outputs |
|---|
| 506 | !! |
|---|
| 507 | !! JPALM -- 17-11-16 -- put fgco2 out of diag request |
|---|
| 508 | !! is needed for coupling; pass through restart |
|---|
| 509 | DO jj = 2,jpjm1 |
|---|
| 510 | DO ji = 2,jpim1 |
|---|
| 511 | if (tmask(ji,jj,1) == 1) then |
|---|
| 512 | !! IF( med_diag%FGCO2%dgsave ) THEN |
|---|
| 513 | !! convert from mol/m2/day to kg/m2/s |
|---|
| 514 | !! mmol-C/m3/d -> kg-CO2/m2/s |
|---|
| 515 | fgco2(ji,jj) = f_co2flux(ji,jj) * fse3t(ji,jj,1) * & |
|---|
| 516 | CO2flux_conv |
|---|
| 517 | !! ENDIF |
|---|
| 518 | # if defined key_foam_medusa |
|---|
| 519 | !! DAF (Aug 2017): Save pCO2 and fCO2 for observation operator |
|---|
| 520 | f2_pco2w(ji,jj) = f_pco2w(ji,jj) |
|---|
| 521 | f2_fco2w(ji,jj) = f_pco2w(ji,jj) |
|---|
| 522 | # endif |
|---|
| 523 | IF ( lk_iomput ) THEN |
|---|
| 524 | IF( med_diag%ATM_PCO2%dgsave ) THEN |
|---|
| 525 | f_pco2a2d(ji,jj) = f_pco2atm(ji,jj) |
|---|
| 526 | ENDIF |
|---|
| 527 | IF( med_diag%OCN_PCO2%dgsave ) THEN |
|---|
| 528 | f_pco2w2d(ji,jj) = f_pco2w(ji,jj) |
|---|
| 529 | ENDIF |
|---|
| 530 | IF( med_diag%CO2FLUX%dgsave ) THEN |
|---|
| 531 | !! mmol/m3/d -> mmol/m2/d |
|---|
| 532 | f_co2flux2d(ji,jj) = f_co2flux(ji,jj) * fse3t(ji,jj,1) |
|---|
| 533 | ENDIF |
|---|
| 534 | IF( med_diag%TCO2%dgsave ) THEN |
|---|
| 535 | f_TDIC2d(ji,jj) = f_TDIC(ji,jj) |
|---|
| 536 | ENDIF |
|---|
| 537 | IF( med_diag%TALK%dgsave ) THEN |
|---|
| 538 | f_TALK2d(ji,jj) = f_TALK(ji,jj) |
|---|
| 539 | ENDIF |
|---|
| 540 | IF( med_diag%KW660%dgsave ) THEN |
|---|
| 541 | f_kw6602d(ji,jj) = f_kw660(ji,jj) |
|---|
| 542 | ENDIF |
|---|
| 543 | IF( med_diag%ATM_PP0%dgsave ) THEN |
|---|
| 544 | f_pp02d(ji,jj) = f_pp0(ji,jj) |
|---|
| 545 | ENDIF |
|---|
| 546 | IF( med_diag%O2FLUX%dgsave ) THEN |
|---|
| 547 | f_o2flux2d(ji,jj) = f_o2flux(ji,jj) |
|---|
| 548 | ENDIF |
|---|
| 549 | IF( med_diag%O2SAT%dgsave ) THEN |
|---|
| 550 | f_o2sat2d(ji,jj) = f_o2sat(ji,jj) |
|---|
| 551 | ENDIF |
|---|
| 552 | !! AXY (24/11/16): add in extra MOCSY diagnostics |
|---|
| 553 | IF( med_diag%ATM_XCO2%dgsave ) THEN |
|---|
| 554 | f_xco2a_2d(ji,jj) = f_xco2a(ji,jj) |
|---|
| 555 | ENDIF |
|---|
| 556 | IF( med_diag%OCN_FCO2%dgsave ) THEN |
|---|
| 557 | f_fco2w_2d(ji,jj) = f_fco2w(ji,jj) |
|---|
| 558 | ENDIF |
|---|
| 559 | IF( med_diag%ATM_FCO2%dgsave ) THEN |
|---|
| 560 | f_fco2a_2d(ji,jj) = f_fco2atm(ji,jj) |
|---|
| 561 | ENDIF |
|---|
| 562 | IF( med_diag%OCN_RHOSW%dgsave ) THEN |
|---|
| 563 | f_ocnrhosw_2d(ji,jj) = f_rhosw(ji,jj) |
|---|
| 564 | ENDIF |
|---|
| 565 | IF( med_diag%OCN_SCHCO2%dgsave ) THEN |
|---|
| 566 | f_ocnschco2_2d(ji,jj) = f_schmidtco2(ji,jj) |
|---|
| 567 | ENDIF |
|---|
| 568 | IF( med_diag%OCN_KWCO2%dgsave ) THEN |
|---|
| 569 | f_ocnkwco2_2d(ji,jj) = f_kwco2(ji,jj) |
|---|
| 570 | ENDIF |
|---|
| 571 | IF( med_diag%OCN_K0%dgsave ) THEN |
|---|
| 572 | f_ocnk0_2d(ji,jj) = f_K0(ji,jj) |
|---|
| 573 | ENDIF |
|---|
| 574 | IF( med_diag%CO2STARAIR%dgsave ) THEN |
|---|
| 575 | f_co2starair_2d(ji,jj) = f_co2starair(ji,jj) |
|---|
| 576 | ENDIF |
|---|
| 577 | IF( med_diag%OCN_DPCO2%dgsave ) THEN |
|---|
| 578 | f_ocndpco2_2d(ji,jj) = f_dpco2(ji,jj) |
|---|
| 579 | ENDIF |
|---|
| 580 | ENDIF |
|---|
| 581 | ENDIF |
|---|
| 582 | ENDDO |
|---|
| 583 | ENDDO |
|---|
| 584 | |
|---|
| 585 | # endif |
|---|
| 586 | |
|---|
| 587 | !!----------------------------------------------------------------- |
|---|
| 588 | !! River inputs |
|---|
| 589 | !!----------------------------------------------------------------- |
|---|
| 590 | DO jj = 2,jpjm1 |
|---|
| 591 | DO ji = 2,jpim1 |
|---|
| 592 | !! OPEN wet point IF..THEN loop |
|---|
| 593 | if (tmask(ji,jj,1) == 1) then |
|---|
| 594 | !! |
|---|
| 595 | !! runoff comes in as kg / m2 / s |
|---|
| 596 | !! used and written out as m3 / m2 / d (= m / d) |
|---|
| 597 | !! where 1000 kg / m2 / d = |
|---|
| 598 | !! 1 m3 / m2 / d = 1 m / d |
|---|
| 599 | !! |
|---|
| 600 | !! AXY (17/07/14): the compiler doesn't like this line for |
|---|
| 601 | !! some reason; as MEDUSA doesn't even use |
|---|
| 602 | !! runoff for riverine inputs, a temporary |
|---|
| 603 | !! solution is to switch off runoff entirely |
|---|
| 604 | !! here; again, this change is one of several |
|---|
| 605 | !! that will need revisiting once MEDUSA has |
|---|
| 606 | !! bedded down in UKESM1; particularly so if |
|---|
| 607 | !! the land scheme provides information |
|---|
| 608 | !! concerning nutrient fluxes |
|---|
| 609 | !! |
|---|
| 610 | !! f_runoff(ji,jj) = sf_rnf(1)%fnow(ji,jj,1) / 1000. * 60. * & |
|---|
| 611 | !! 60. * 24. |
|---|
| 612 | f_runoff(ji,jj) = 0.0 |
|---|
| 613 | !! |
|---|
| 614 | !! nutrients are added via rivers to the model in one of |
|---|
| 615 | !! two ways: |
|---|
| 616 | !! 1. via river concentration; i.e. the average nutrient |
|---|
| 617 | !! concentration of a river water is described by a |
|---|
| 618 | !! spatial file, and this is multiplied by runoff to |
|---|
| 619 | !! give a nutrient flux |
|---|
| 620 | !! 2. via direct river flux; i.e. the average nutrient |
|---|
| 621 | !! flux due to rivers is described by a spatial file, |
|---|
| 622 | !! and this is simply applied as a direct nutrient |
|---|
| 623 | !! flux (i.e. it does not relate or respond to model |
|---|
| 624 | !! runoff) nutrient fields are derived from the |
|---|
| 625 | !! GlobalNEWS 2 database; carbon and alkalinity are |
|---|
| 626 | !! derived from continent-scale DIC estimates (Huang et |
|---|
| 627 | !! al., 2012) and some Arctic river alkalinity |
|---|
| 628 | !! estimates (Katya?) |
|---|
| 629 | !! |
|---|
| 630 | !! as of 19/07/12, riverine nutrients can now be spread |
|---|
| 631 | !! vertically across several grid cells rather than just |
|---|
| 632 | !! poured into the surface box; this block of code is still |
|---|
| 633 | !! executed, however, to set up the total amounts of |
|---|
| 634 | !! nutrient entering via rivers |
|---|
| 635 | !! |
|---|
| 636 | !! nitrogen |
|---|
| 637 | if (jriver_n .eq. 1) then |
|---|
| 638 | !! river concentration specified; use runoff to |
|---|
| 639 | !! calculate input |
|---|
| 640 | f_riv_n(ji,jj) = f_runoff(ji,jj) * riv_n(ji,jj) |
|---|
| 641 | elseif (jriver_n .eq. 2) then |
|---|
| 642 | !! river flux specified; independent of runoff |
|---|
| 643 | f_riv_n(ji,jj) = riv_n(ji,jj) |
|---|
| 644 | endif |
|---|
| 645 | !! |
|---|
| 646 | !! silicon |
|---|
| 647 | if (jriver_si .eq. 1) then |
|---|
| 648 | !! river concentration specified; use runoff to |
|---|
| 649 | !! calculate input |
|---|
| 650 | f_riv_si(ji,jj) = f_runoff(ji,jj) * riv_si(ji,jj) |
|---|
| 651 | elseif (jriver_si .eq. 2) then |
|---|
| 652 | !! river flux specified; independent of runoff |
|---|
| 653 | f_riv_si(ji,jj) = riv_si(ji,jj) |
|---|
| 654 | endif |
|---|
| 655 | !! |
|---|
| 656 | !! carbon |
|---|
| 657 | if (jriver_c .eq. 1) then |
|---|
| 658 | !! river concentration specified; use runoff to |
|---|
| 659 | !! calculate input |
|---|
| 660 | f_riv_c(ji,jj) = f_runoff(ji,jj) * riv_c(ji,jj) |
|---|
| 661 | elseif (jriver_c .eq. 2) then |
|---|
| 662 | !! river flux specified; independent of runoff |
|---|
| 663 | f_riv_c(ji,jj) = riv_c(ji,jj) |
|---|
| 664 | endif |
|---|
| 665 | !! |
|---|
| 666 | !! alkalinity |
|---|
| 667 | if (jriver_alk .eq. 1) then |
|---|
| 668 | !! river concentration specified; use runoff to |
|---|
| 669 | !! calculate input |
|---|
| 670 | f_riv_alk(ji,jj) = f_runoff(ji,jj) * riv_alk(ji,jj) |
|---|
| 671 | elseif (jriver_alk .eq. 2) then |
|---|
| 672 | !! river flux specified; independent of runoff |
|---|
| 673 | f_riv_alk(ji,jj) = riv_alk(ji,jj) |
|---|
| 674 | endif |
|---|
| 675 | ENDIF |
|---|
| 676 | ENDDO |
|---|
| 677 | ENDDO |
|---|
| 678 | |
|---|
| 679 | END SUBROUTINE air_sea |
|---|
| 680 | |
|---|
| 681 | #else |
|---|
| 682 | !!====================================================================== |
|---|
| 683 | !! Dummy module : No MEDUSA bio-model |
|---|
| 684 | !!====================================================================== |
|---|
| 685 | CONTAINS |
|---|
| 686 | SUBROUTINE air_sea( ) ! Empty routine |
|---|
| 687 | WRITE(*,*) 'air_sea: You should not have seen this print! error?' |
|---|
| 688 | END SUBROUTINE air_sea |
|---|
| 689 | #endif |
|---|
| 690 | |
|---|
| 691 | !!====================================================================== |
|---|
| 692 | END MODULE air_sea_mod |
|---|
