| [11395] | 1 | MODULE isfcavmlt |
|---|
| 2 | !!====================================================================== |
|---|
| [11541] | 3 | !! *** MODULE isfcavmlt *** |
|---|
| [11395] | 4 | !! ice shelf module : update surface ocean boundary condition under ice |
|---|
| [11931] | 5 | !! shelves |
|---|
| [11395] | 6 | !!====================================================================== |
|---|
| 7 | !! History : 4.0 ! 2019-09 (P. Mathiot) Original code |
|---|
| 8 | !!---------------------------------------------------------------------- |
|---|
| 9 | |
|---|
| 10 | !!---------------------------------------------------------------------- |
|---|
| [11931] | 11 | !! isfcav_mlt : compute or read ice shelf fwf/heat fluxes in the ice shelf cavity |
|---|
| [11395] | 12 | !!---------------------------------------------------------------------- |
|---|
| 13 | |
|---|
| [12077] | 14 | USE isf_oce ! ice shelf |
|---|
| [11852] | 15 | USE isftbl , ONLY: isf_tbl ! ice shelf depth average |
|---|
| 16 | USE isfutils,ONLY: debug ! debug subroutine |
|---|
| 17 | |
|---|
| 18 | USE dom_oce ! ocean space and time domain |
|---|
| 19 | USE phycst , ONLY: rcp, rau0, rau0_rcp ! physical constants |
|---|
| 20 | USE eosbn2 , ONLY: eos_fzp ! equation of state |
|---|
| 21 | |
|---|
| 22 | USE in_out_manager ! I/O manager |
|---|
| 23 | USE iom , ONLY: iom_put ! I/O library |
|---|
| [11931] | 24 | USE fldread , ONLY: fld_read, FLD, FLD_N ! |
|---|
| [11852] | 25 | USE lib_fortran, ONLY: glob_sum ! |
|---|
| 26 | USE lib_mpp , ONLY: ctl_stop ! |
|---|
| 27 | |
|---|
| [11395] | 28 | IMPLICIT NONE |
|---|
| 29 | PRIVATE |
|---|
| 30 | |
|---|
| 31 | PUBLIC isfcav_mlt |
|---|
| 32 | |
|---|
| 33 | !!---------------------------------------------------------------------- |
|---|
| 34 | !! NEMO/OCE 4.0 , NEMO Consortium (2018) |
|---|
| 35 | !! $Id: sbcisf.F90 10536 2019-01-16 19:21:09Z mathiot $ |
|---|
| 36 | !! Software governed by the CeCILL license (see ./LICENSE) |
|---|
| 37 | !!---------------------------------------------------------------------- |
|---|
| 38 | CONTAINS |
|---|
| 39 | |
|---|
| 40 | ! ------------------------------------------------------------------------------------------------------- |
|---|
| 41 | ! -------------------------------- PUBLIC SUBROUTINE ---------------------------------------------------- |
|---|
| 42 | ! ------------------------------------------------------------------------------------------------------- |
|---|
| 43 | |
|---|
| [11403] | 44 | SUBROUTINE isfcav_mlt(kt, pgt, pgs , pttbl, pstbl, & |
|---|
| 45 | & pqhc, pqoce, pqfwf ) |
|---|
| [11395] | 46 | !!---------------------------------------------------------------------- |
|---|
| 47 | !! |
|---|
| [11541] | 48 | !! *** ROUTINE isfcav_mlt *** |
|---|
| 49 | !! |
|---|
| [11494] | 50 | !! ** Purpose : compute or read ice shelf fwf/heat fluxes in the ice shelf cavity |
|---|
| [11403] | 51 | !! |
|---|
| [11395] | 52 | !!-------------------------- OUT ------------------------------------- |
|---|
| [11403] | 53 | REAL(wp), DIMENSION(jpi,jpj), INTENT( out) :: pqhc, pqoce, pqfwf ! heat and fwf fluxes |
|---|
| [11395] | 54 | !!-------------------------- IN ------------------------------------- |
|---|
| 55 | INTEGER, INTENT(in) :: kt |
|---|
| 56 | REAL(wp), DIMENSION(jpi,jpj), INTENT(in ) :: pgt , pgs ! gamma t and gamma s |
|---|
| 57 | REAL(wp), DIMENSION(jpi,jpj), INTENT(in ) :: pttbl, pstbl ! top boundary layer tracer |
|---|
| 58 | !!--------------------------------------------------------------------- |
|---|
| 59 | ! |
|---|
| 60 | ! compute latent heat and melt (2d) |
|---|
| 61 | SELECT CASE ( cn_isfcav_mlt ) |
|---|
| 62 | CASE ( 'spe' ) ! ice shelf melt specified (read input file, and heat fluxes derived from |
|---|
| [11425] | 63 | CALL isfcav_mlt_spe( kt, pstbl, & |
|---|
| [11403] | 64 | & pqhc, pqoce, pqfwf ) |
|---|
| [11395] | 65 | CASE ( '2eq' ) ! ISOMIP formulation (2 equations) for volume flux (Hunter et al., 2006) |
|---|
| [11425] | 66 | CALL isfcav_mlt_2eq( pgt, pttbl, pstbl, & |
|---|
| [11403] | 67 | & pqhc , pqoce, pqfwf ) |
|---|
| [11395] | 68 | CASE ( '3eq' ) ! ISOMIP+ formulation (3 equations) for volume flux (Asay-Davis et al., 2015) |
|---|
| [11425] | 69 | CALL isfcav_mlt_3eq( pgt, pgs , pttbl, pstbl, & |
|---|
| [11403] | 70 | & pqhc, pqoce, pqfwf ) |
|---|
| [11395] | 71 | CASE ( 'oasis' ) ! fwf pass trough oasis |
|---|
| [11425] | 72 | CALL isfcav_mlt_oasis( kt, pstbl, & |
|---|
| [11403] | 73 | & pqhc, pqoce, pqfwf ) |
|---|
| [11395] | 74 | CASE DEFAULT |
|---|
| 75 | CALL ctl_stop('STOP', 'unknown isf melt formulation : cn_isfcav (should not see this)') |
|---|
| 76 | END SELECT |
|---|
| 77 | ! |
|---|
| [11844] | 78 | IF (ln_isfdebug) THEN |
|---|
| [12077] | 79 | CALL debug( 'isfcav_mlt qhc :', pqhc (:,:) ) |
|---|
| 80 | CALL debug( 'isfcav_mlt qoce :', pqoce(:,:) ) |
|---|
| 81 | CALL debug( 'isfcav_mlt qfwf :', pqfwf(:,:) ) |
|---|
| [11844] | 82 | END IF |
|---|
| 83 | ! |
|---|
| [11395] | 84 | END SUBROUTINE isfcav_mlt |
|---|
| 85 | |
|---|
| 86 | ! ------------------------------------------------------------------------------------------------------- |
|---|
| 87 | ! -------------------------------- PRIVATE SUBROUTINE --------------------------------------------------- |
|---|
| 88 | ! ------------------------------------------------------------------------------------------------------- |
|---|
| 89 | |
|---|
| [11541] | 90 | SUBROUTINE isfcav_mlt_spe(kt, pstbl, & ! <<== in |
|---|
| [11403] | 91 | & pqhc , pqoce, pqfwf ) ! ==>> out |
|---|
| [11395] | 92 | !!---------------------------------------------------------------------- |
|---|
| [11541] | 93 | !! |
|---|
| 94 | !! *** ROUTINE isfcav_mlt_spe *** |
|---|
| 95 | !! |
|---|
| [11403] | 96 | !! ** Purpose : - read ice shelf melt from forcing file |
|---|
| 97 | !! - compute ocea-ice heat flux (assuming it is equal to latent heat) |
|---|
| 98 | !! - compute heat content flux |
|---|
| [11395] | 99 | !!--------------------------------------------------------------------- |
|---|
| 100 | !!-------------------------- OUT ------------------------------------- |
|---|
| [11403] | 101 | REAL(wp), DIMENSION(jpi,jpj), INTENT( out) :: pqhc, pqoce, pqfwf ! heat content, latent heat and fwf fluxes |
|---|
| [11395] | 102 | !!-------------------------- IN ------------------------------------- |
|---|
| [11403] | 103 | INTEGER , INTENT(in ) :: kt ! current time step |
|---|
| 104 | REAL(wp), DIMENSION(jpi,jpj), INTENT(in ) :: pstbl ! salinity in tbl |
|---|
| [11395] | 105 | !!-------------------------------------------------------------------- |
|---|
| [11403] | 106 | REAL(wp), DIMENSION(jpi,jpj) :: ztfrz ! tbl freezing temperature |
|---|
| [11395] | 107 | !!-------------------------------------------------------------------- |
|---|
| 108 | ! |
|---|
| [11931] | 109 | ! Compute freezing temperature |
|---|
| [11395] | 110 | CALL eos_fzp( pstbl(:,:), ztfrz(:,:), risfdep(:,:) ) |
|---|
| 111 | ! |
|---|
| 112 | ! read input file |
|---|
| [11852] | 113 | CALL fld_read ( kt, 1, sf_isfcav_fwf ) |
|---|
| [11395] | 114 | ! |
|---|
| 115 | ! define fwf and qoce |
|---|
| 116 | ! ocean heat flux is assume to be equal to the latent heat |
|---|
| [11403] | 117 | pqfwf(:,:) = - sf_isfcav_fwf(1)%fnow(:,:,1) ! fwf ( >0 out) |
|---|
| 118 | pqoce(:,:) = - pqfwf(:,:) * rLfusisf ! ocean heat flux ( >0 out) |
|---|
| 119 | pqhc (:,:) = pqfwf(:,:) * ztfrz(:,:) * rcp ! heat content flux ( >0 out) |
|---|
| [11395] | 120 | ! |
|---|
| [11876] | 121 | ! output freezing point at the interface |
|---|
| 122 | CALL iom_put('isftfrz_cav', ztfrz ) |
|---|
| 123 | ! |
|---|
| [11425] | 124 | END SUBROUTINE isfcav_mlt_spe |
|---|
| [11395] | 125 | |
|---|
| [11541] | 126 | SUBROUTINE isfcav_mlt_2eq(pgt , pttbl, pstbl, & ! <<== in |
|---|
| 127 | & pqhc, pqoce, pqfwf ) ! ==>> out |
|---|
| [11395] | 128 | !!---------------------------------------------------------------------- |
|---|
| [11541] | 129 | !! |
|---|
| [11931] | 130 | !! *** ROUTINE isfcav_mlt_2eq *** |
|---|
| [11541] | 131 | !! |
|---|
| [11403] | 132 | !! ** Purpose : Compute ice shelf fwf/heqt fluxes using ISOMIP formulation (Hunter et al., 2006) |
|---|
| [11395] | 133 | !! |
|---|
| [11403] | 134 | !! ** Method : The ice shelf melt latent heat is defined as being equal to the ocean/ice heat flux. |
|---|
| 135 | !! From this we can derived the fwf, ocean/ice heat flux and the heat content flux as being : |
|---|
| 136 | !! qfwf = Gammat * Rau0 * Cp * ( Tw - Tfrz ) / Lf |
|---|
| 137 | !! qhoce = qlat |
|---|
| 138 | !! qhc = qfwf * Cp * Tfrz |
|---|
| 139 | !! |
|---|
| 140 | !! ** Reference : Hunter, J. R.: Specification for test models of ice shelf cavities, |
|---|
| 141 | !! Tech. Rep. June, Antarctic Climate & Ecosystems Cooperative Research Centre, available at: |
|---|
| 142 | !! http://staff.acecrc.org.au/~bkgalton/ISOMIP/test_cavities.pdf (last access: 21 July 2016), 2006. |
|---|
| [11931] | 143 | !! |
|---|
| [11395] | 144 | !!-------------------------- OUT ------------------------------------- |
|---|
| [11403] | 145 | REAL(wp), DIMENSION(jpi,jpj), INTENT( out) :: pqhc, pqoce, pqfwf ! hean content, ocean-ice heat and fwf fluxes |
|---|
| [11395] | 146 | !!-------------------------- IN ------------------------------------- |
|---|
| 147 | REAL(wp), DIMENSION(jpi,jpj), INTENT(in ) :: pgt ! temperature exchange coeficient |
|---|
| 148 | REAL(wp), DIMENSION(jpi,jpj), INTENT(in ) :: pttbl, pstbl ! temperature and salinity in top boundary layer |
|---|
| 149 | !!-------------------------------------------------------------------- |
|---|
| 150 | REAL(wp), DIMENSION(jpi,jpj) :: ztfrz ! freezing temperature |
|---|
| [11403] | 151 | REAL(wp), DIMENSION(jpi,jpj) :: zthd ! thermal driving |
|---|
| [11395] | 152 | !!-------------------------------------------------------------------- |
|---|
| 153 | ! |
|---|
| 154 | ! Calculate freezing temperature |
|---|
| 155 | CALL eos_fzp( pstbl(:,:), ztfrz(:,:), risfdep(:,:) ) |
|---|
| 156 | ! |
|---|
| [11403] | 157 | ! thermal driving |
|---|
| [11488] | 158 | zthd (:,:) = ( pttbl(:,:) - ztfrz(:,:) ) * mskisf_cav(:,:) |
|---|
| [11403] | 159 | ! |
|---|
| [11395] | 160 | ! compute ocean-ice heat flux and then derive fwf assuming that ocean heat flux equal latent heat |
|---|
| [11541] | 161 | pqfwf(:,:) = - pgt(:,:) * rau0_rcp * zthd(:,:) / rLfusisf ! fresh water flux ( > 0 out ) |
|---|
| [11403] | 162 | pqoce(:,:) = - pqfwf(:,:) * rLfusisf ! ocea-ice flux ( > 0 out ) |
|---|
| 163 | pqhc (:,:) = pqfwf(:,:) * ztfrz(:,:) * rcp ! heat content flux ( > 0 out ) |
|---|
| [11395] | 164 | ! |
|---|
| [11876] | 165 | ! output thermal driving and freezinpoint at the ice shelf interface |
|---|
| [11403] | 166 | CALL iom_put('isfthermald_cav', zthd ) |
|---|
| [11876] | 167 | CALL iom_put('isftfrz_cav' , ztfrz ) |
|---|
| [11395] | 168 | ! |
|---|
| [11425] | 169 | END SUBROUTINE isfcav_mlt_2eq |
|---|
| [11395] | 170 | |
|---|
| [11541] | 171 | SUBROUTINE isfcav_mlt_3eq(pgt, pgs , pttbl, pstbl, & ! <<== in |
|---|
| 172 | & pqhc, pqoce, pqfwf ) ! ==>> out |
|---|
| [11395] | 173 | !!---------------------------------------------------------------------- |
|---|
| [11541] | 174 | !! |
|---|
| 175 | !! *** ROUTINE isfcav_mlt_3eq *** |
|---|
| 176 | !! |
|---|
| [11403] | 177 | !! ** Purpose : Compute ice shelf fwf/heqt fluxes using the 3 equation formulation |
|---|
| [11395] | 178 | !! |
|---|
| [11403] | 179 | !! ** Method : The melt rate is determined considering the heat balance, the salt balance |
|---|
| 180 | !! at the phase change interface and a linearisation of the equation of state. |
|---|
| 181 | !! |
|---|
| 182 | !! ** Reference : - Holland, D. M. and Jenkins, A., |
|---|
| 183 | !! Modeling Thermodynamic Ice-Ocean Interactions at the Base of an Ice Shelf, |
|---|
| 184 | !! J. Phys. Oceanogr., 29, 1999. |
|---|
| 185 | !! - Asay-Davis, X. S., Cornford, S. L., Durand, G., Galton-Fenzi, B. K., Gladstone, |
|---|
| 186 | !! R. M., Gudmundsson, G. H., Hattermann, T., Holland, D. M., Holland, D., Holland, |
|---|
| 187 | !! P. R., Martin, D. F., Mathiot, P., Pattyn, F., and Seroussi, H.: |
|---|
| 188 | !! Experimental design for three interrelated marine ice sheet and ocean model intercomparison projects: |
|---|
| 189 | !! MISMIP v. 3 (MISMIP +), ISOMIP v. 2 (ISOMIP +) and MISOMIP v. 1 (MISOMIP1), |
|---|
| 190 | !! Geosci. Model Dev., 9, 2471-2497, https://doi.org/10.5194/gmd-9-2471-2016, 2016. |
|---|
| [11931] | 191 | !! |
|---|
| [11395] | 192 | !!-------------------------- OUT ------------------------------------- |
|---|
| [11403] | 193 | REAL(wp), DIMENSION(jpi,jpj), INTENT( out) :: pqhc, pqoce, pqfwf ! latent heat and fwf fluxes |
|---|
| [11395] | 194 | !!-------------------------- IN ------------------------------------- |
|---|
| [11403] | 195 | REAL(wp), DIMENSION(jpi,jpj), INTENT(in ) :: pgt , pgs ! heat/salt exchange coeficient |
|---|
| 196 | REAL(wp), DIMENSION(jpi,jpj), INTENT(in ) :: pttbl, pstbl ! mean temperature and salinity in top boundary layer |
|---|
| [11395] | 197 | !!-------------------------------------------------------------------- |
|---|
| [11403] | 198 | REAL(wp) :: zeps1,zeps2,zeps3,zeps4,zeps6,zeps7 ! dummy local scalar for quadratic equation resolution |
|---|
| 199 | REAL(wp) :: zaqe,zbqe,zcqe,zaqer,zdis,zsfrz,zcfac ! dummy local scalar for quadratic equation resolution |
|---|
| [11395] | 200 | REAL(wp) :: zeps = 1.e-20 |
|---|
| [11403] | 201 | REAL(wp), DIMENSION(jpi,jpj) :: ztfrz ! freezing point |
|---|
| 202 | REAL(wp), DIMENSION(jpi,jpj) :: zqcon ! conductive flux through the ice shelf |
|---|
| 203 | REAL(wp), DIMENSION(jpi,jpj) :: zthd ! thermal driving |
|---|
| [11395] | 204 | ! |
|---|
| 205 | INTEGER :: ji, jj ! dummy loop indices |
|---|
| 206 | !!-------------------------------------------------------------------- |
|---|
| 207 | ! |
|---|
| 208 | ! compute upward heat flux zhtflx and upward water flux zwflx |
|---|
| [11403] | 209 | ! Resolution of a 3d equation from equation 24, 25 and 26 (note conduction through the ice has been added to Eq 24) |
|---|
| [11395] | 210 | DO jj = 1, jpj |
|---|
| 211 | DO ji = 1, jpi |
|---|
| 212 | ! |
|---|
| 213 | ! compute coeficient to solve the 2nd order equation |
|---|
| [11494] | 214 | zeps1 = rau0_rcp * pgt(ji,jj) |
|---|
| 215 | zeps2 = rLfusisf * rau0 * pgs(ji,jj) |
|---|
| 216 | zeps3 = rhoisf * rcpisf * rkappa / MAX(risfdep(ji,jj),zeps) |
|---|
| 217 | zeps4 = risf_lamb2 + risf_lamb3 * risfdep(ji,jj) |
|---|
| 218 | zeps6 = zeps4 - pttbl(ji,jj) |
|---|
| 219 | zeps7 = zeps4 - rtsurf |
|---|
| [11395] | 220 | ! |
|---|
| 221 | ! solve the 2nd order equation to find zsfrz |
|---|
| 222 | zaqe = risf_lamb1 * (zeps1 + zeps3) |
|---|
| [11494] | 223 | zaqer = 0.5_wp / MIN(zaqe,-zeps) |
|---|
| 224 | zbqe = zeps1 * zeps6 + zeps3 * zeps7 - zeps2 |
|---|
| 225 | zcqe = zeps2 * pstbl(ji,jj) |
|---|
| 226 | zdis = zbqe * zbqe - 4.0_wp * zaqe * zcqe |
|---|
| [11395] | 227 | ! |
|---|
| 228 | ! Presumably zdis can never be negative because gammas is very small compared to gammat |
|---|
| [11494] | 229 | zsfrz=(-zbqe - SQRT(zdis)) * zaqer |
|---|
| 230 | IF ( zsfrz < 0.0_wp ) zsfrz=(-zbqe + SQRT(zdis)) * zaqer ! check this if this if is needed |
|---|
| [11395] | 231 | ! |
|---|
| 232 | ! compute t freeze (eq. 25) |
|---|
| 233 | ztfrz(ji,jj) = zeps4 + risf_lamb1 * zsfrz |
|---|
| 234 | ! |
|---|
| [11403] | 235 | ! thermal driving |
|---|
| [11488] | 236 | zthd(ji,jj) = ( pttbl(ji,jj) - ztfrz(ji,jj) ) |
|---|
| [11403] | 237 | ! |
|---|
| [11395] | 238 | ! compute the upward water and heat flux (eq. 24 and eq. 26) |
|---|
| [11403] | 239 | pqfwf(ji,jj) = rau0 * pgs(ji,jj) * ( zsfrz - pstbl(ji,jj) ) / MAX(zsfrz,zeps) ! fresh water flux (> 0 out) |
|---|
| 240 | pqoce(ji,jj) = rau0_rcp * pgt(ji,jj) * zthd (ji,jj) ! ocean-ice heat flux (> 0 out) |
|---|
| 241 | pqhc (ji,jj) = rcp * pqfwf(ji,jj) * ztfrz(ji,jj) ! heat content flux (> 0 out) |
|---|
| [11395] | 242 | ! |
|---|
| [11488] | 243 | zqcon(ji,jj) = zeps3 * ( ztfrz(ji,jj) - rtsurf ) |
|---|
| [11403] | 244 | ! |
|---|
| [11395] | 245 | END DO |
|---|
| 246 | END DO |
|---|
| 247 | ! |
|---|
| 248 | ! output conductive heat flux through the ice |
|---|
| [11488] | 249 | CALL iom_put('qconisf', zqcon(:,:) * mskisf_cav(:,:) ) |
|---|
| [11395] | 250 | ! |
|---|
| [11876] | 251 | ! output thermal driving and freezing point at the interface |
|---|
| 252 | CALL iom_put('isfthermald_cav', zthd (:,:) * mskisf_cav(:,:) ) |
|---|
| 253 | CALL iom_put('isftfrz_cav' , ztfrz(:,:) * mskisf_cav(:,:) ) |
|---|
| [11395] | 254 | ! |
|---|
| [11425] | 255 | END SUBROUTINE isfcav_mlt_3eq |
|---|
| [11395] | 256 | |
|---|
| [11541] | 257 | SUBROUTINE isfcav_mlt_oasis(kt, pstbl, & ! <<== in |
|---|
| [11403] | 258 | & pqhc , pqoce, pqfwf ) ! ==>> out |
|---|
| 259 | !!---------------------------------------------------------------------- |
|---|
| [11541] | 260 | !! *** ROUTINE isfcav_mlt_oasis *** |
|---|
| [11403] | 261 | !! |
|---|
| 262 | !! ** Purpose : scale the fwf read from input file by the total amount received by the sbccpl interface |
|---|
| 263 | !! |
|---|
| 264 | !! ** Purpose : - read ice shelf melt from forcing file => pattern |
|---|
| 265 | !! - total amount of fwf is given by sbccpl (fwfisf_cpl) |
|---|
| 266 | !! - scale fwf and compute heat fluxes |
|---|
| 267 | !! |
|---|
| 268 | !!--------------------------------------------------------------------- |
|---|
| 269 | !!-------------------------- OUT ------------------------------------- |
|---|
| 270 | REAL(wp), DIMENSION(jpi,jpj), INTENT( out) :: pqhc, pqoce, pqfwf ! heat content, latent heat and fwf fluxes |
|---|
| 271 | !!-------------------------- IN ------------------------------------- |
|---|
| 272 | INTEGER , INTENT(in ) :: kt ! current time step |
|---|
| 273 | REAL(wp), DIMENSION(jpi,jpj), INTENT(in ) :: pstbl ! salinity in tbl |
|---|
| 274 | !!-------------------------------------------------------------------- |
|---|
| [11423] | 275 | REAL(wp) :: zfwf_fld, zfwf_oasis ! total fwf in the forcing fields (pattern) and from the oasis interface (amount) |
|---|
| [11403] | 276 | REAL(wp), DIMENSION(jpi,jpj) :: ztfrz ! tbl freezing temperature |
|---|
| 277 | REAL(wp), DIMENSION(jpi,jpj) :: zfwf ! 2d fwf map after scaling |
|---|
| 278 | !!-------------------------------------------------------------------- |
|---|
| 279 | ! |
|---|
| 280 | ! Calculate freezing temperature |
|---|
| 281 | CALL eos_fzp( pstbl(:,:), ztfrz(:,:), risfdep(:,:) ) |
|---|
| 282 | ! |
|---|
| 283 | ! read input file |
|---|
| [11852] | 284 | CALL fld_read ( kt, 1, sf_isfcav_fwf ) |
|---|
| [11403] | 285 | ! |
|---|
| 286 | ! ice shelf 2d map |
|---|
| 287 | zfwf(:,:) = - sf_isfcav_fwf(1)%fnow(:,:,1) |
|---|
| 288 | ! |
|---|
| 289 | ! compute glob sum from input file |
|---|
| [11425] | 290 | ! (PM) should consider delay sum as in fwb (1 time step offset if I well understood) |
|---|
| 291 | zfwf_fld = glob_sum('isfcav_mlt', e1e2t(:,:) * zfwf(:,:)) |
|---|
| [11403] | 292 | ! |
|---|
| 293 | ! compute glob sum from atm->oce ice shelf fwf |
|---|
| [11425] | 294 | ! (PM) should consider delay sum as in fwb (1 time step offset if I well understood) |
|---|
| 295 | zfwf_oasis = glob_sum('isfcav_mlt', e1e2t(:,:) * fwfisf_oasis(:,:)) |
|---|
| [11403] | 296 | ! |
|---|
| 297 | ! scale fwf |
|---|
| [11423] | 298 | zfwf(:,:) = zfwf(:,:) * zfwf_oasis / zfwf_fld |
|---|
| [11403] | 299 | ! |
|---|
| 300 | ! define fwf and qoce |
|---|
| 301 | ! ocean heat flux is assume to be equal to the latent heat |
|---|
| 302 | pqfwf(:,:) = zfwf(:,:) ! fwf ( >0 out) |
|---|
| 303 | pqoce(:,:) = - pqfwf(:,:) * rLfusisf ! ocean heat flux ( >0 out) |
|---|
| 304 | pqhc (:,:) = pqfwf(:,:) * ztfrz(:,:) * rcp ! heat content flux ( >0 out) |
|---|
| 305 | ! |
|---|
| [11876] | 306 | CALL iom_put('isftfrz_cav', ztfrz * mskisf_cav(:,:) ) |
|---|
| [11931] | 307 | ! |
|---|
| [11425] | 308 | END SUBROUTINE isfcav_mlt_oasis |
|---|
| [11403] | 309 | |
|---|
| [11395] | 310 | END MODULE isfcavmlt |
|---|
