| Directory: | ./ |
|---|---|
| File: | phys/calcul_fluxs_mod.f90 |
| Date: | 2022-01-11 19:19:34 |
| Exec | Total | Coverage | |
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| Lines: | 68 | 70 | 97.1% |
| Branches: | 56 | 86 | 65.1% |
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| 1 | ! | ||
| 2 | ! $Id: calcul_fluxs_mod.F90 3815 2021-02-01 14:30:57Z lguez $ | ||
| 3 | ! | ||
| 4 | MODULE calcul_fluxs_mod | ||
| 5 | |||
| 6 | IMPLICIT NONE | ||
| 7 | |||
| 8 | CONTAINS | ||
| 9 | 790372 | SUBROUTINE calcul_fluxs( knon, nisurf, dtime, & | |
| 10 | tsurf, p1lay, cal, beta, cdragh, cdragq, ps, & | ||
| 11 | precip_rain, precip_snow, snow, qsurf, & | ||
| 12 | 1920 | radsol, dif_grnd, t1lay, q1lay, u1lay, v1lay, gustiness, & | |
| 13 | fqsat, petAcoef, peqAcoef, petBcoef, peqBcoef, & | ||
| 14 | tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l, & | ||
| 15 |
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1920 | sens_prec_liq, sens_prec_sol, lat_prec_liq, lat_prec_sol, rhoa) |
| 16 | |||
| 17 | |||
| 18 | USE dimphy, ONLY : klon | ||
| 19 | USE indice_sol_mod | ||
| 20 | use sens_heat_rain_m, only: sens_heat_rain | ||
| 21 | |||
| 22 | INCLUDE "clesphys.h" | ||
| 23 | |||
| 24 | ! Cette routine calcule les fluxs en h et q a l'interface et eventuellement | ||
| 25 | ! une temperature de surface (au cas ou ok_veget = false) | ||
| 26 | ! | ||
| 27 | ! L. Fairhead 4/2000 | ||
| 28 | ! | ||
| 29 | ! input: | ||
| 30 | ! knon nombre de points a traiter | ||
| 31 | ! nisurf surface a traiter | ||
| 32 | ! tsurf temperature de surface | ||
| 33 | ! p1lay pression 1er niveau (milieu de couche) | ||
| 34 | ! cal capacite calorifique du sol | ||
| 35 | ! beta evap reelle | ||
| 36 | ! cdragh coefficient d'echange temperature | ||
| 37 | ! cdragq coefficient d'echange evaporation | ||
| 38 | ! ps pression au sol | ||
| 39 | ! precip_rain precipitations liquides | ||
| 40 | ! precip_snow precipitations solides | ||
| 41 | ! snow champs hauteur de neige | ||
| 42 | ! runoff runoff en cas de trop plein | ||
| 43 | ! petAcoef coeff. A de la resolution de la CL pour t | ||
| 44 | ! peqAcoef coeff. A de la resolution de la CL pour q | ||
| 45 | ! petBcoef coeff. B de la resolution de la CL pour t | ||
| 46 | ! peqBcoef coeff. B de la resolution de la CL pour q | ||
| 47 | ! radsol rayonnement net aus sol (LW + SW) | ||
| 48 | ! dif_grnd coeff. diffusion vers le sol profond | ||
| 49 | ! | ||
| 50 | ! output: | ||
| 51 | ! tsurf_new temperature au sol | ||
| 52 | ! qsurf humidite de l'air au dessus du sol | ||
| 53 | ! fluxsens flux de chaleur sensible | ||
| 54 | ! fluxlat flux de chaleur latente | ||
| 55 | ! dflux_s derivee du flux de chaleur sensible / Ts | ||
| 56 | ! dflux_l derivee du flux de chaleur latente / Ts | ||
| 57 | ! sens_prec_liq flux sensible li� aux echanges de precipitations liquides | ||
| 58 | ! sens_prec_sol precipitations solides | ||
| 59 | ! lat_prec_liq flux latent li� aux echanges de precipitations liquides | ||
| 60 | ! lat_prec_sol precipitations solides | ||
| 61 | |||
| 62 | INCLUDE "YOETHF.h" | ||
| 63 | INCLUDE "FCTTRE.h" | ||
| 64 | INCLUDE "YOMCST.h" | ||
| 65 | |||
| 66 | ! Parametres d'entree | ||
| 67 | !**************************************************************************************** | ||
| 68 | INTEGER, INTENT(IN) :: knon, nisurf | ||
| 69 | REAL , INTENT(IN) :: dtime | ||
| 70 | REAL, DIMENSION(klon), INTENT(IN) :: petAcoef, peqAcoef | ||
| 71 | REAL, DIMENSION(klon), INTENT(IN) :: petBcoef, peqBcoef | ||
| 72 | REAL, DIMENSION(klon), INTENT(IN) :: ps, q1lay | ||
| 73 | REAL, DIMENSION(klon), INTENT(IN) :: tsurf, p1lay, cal, beta, cdragh,cdragq | ||
| 74 | REAL, DIMENSION(klon), INTENT(IN) :: precip_rain, precip_snow | ||
| 75 | REAL, DIMENSION(klon), INTENT(IN) :: radsol, dif_grnd | ||
| 76 | REAL, DIMENSION(klon), INTENT(IN) :: t1lay, u1lay, v1lay,gustiness | ||
| 77 | REAL, INTENT(IN) :: fqsat ! correction factor on qsat (generally 0.98 over salty water, 1 everywhere else) | ||
| 78 | |||
| 79 | real, intent(in), optional:: rhoa(:) ! (knon) | ||
| 80 | ! density of moist air (kg / m3) | ||
| 81 | |||
| 82 | ! Parametres entree-sorties | ||
| 83 | !**************************************************************************************** | ||
| 84 | REAL, DIMENSION(klon), INTENT(INOUT) :: snow ! snow pas utile | ||
| 85 | |||
| 86 | ! Parametres sorties | ||
| 87 | !**************************************************************************************** | ||
| 88 | REAL, DIMENSION(klon), INTENT(OUT) :: qsurf | ||
| 89 | REAL, DIMENSION(klon), INTENT(OUT) :: tsurf_new, evap, fluxsens, fluxlat | ||
| 90 | REAL, DIMENSION(klon), INTENT(OUT) :: dflux_s, dflux_l | ||
| 91 | REAL, intent(out), OPTIONAL:: sens_prec_liq(:), sens_prec_sol(:) ! (knon) | ||
| 92 | REAL, DIMENSION(klon), OPTIONAL :: lat_prec_liq, lat_prec_sol | ||
| 93 | |||
| 94 | ! Variables locales | ||
| 95 | !**************************************************************************************** | ||
| 96 | INTEGER :: i | ||
| 97 | 3840 | REAL, DIMENSION(klon) :: zx_mh, zx_nh, zx_oh | |
| 98 | 3840 | REAL, DIMENSION(klon) :: zx_mq, zx_nq, zx_oq | |
| 99 | 3840 | REAL, DIMENSION(klon) :: zx_pkh, zx_dq_s_dt, zx_qsat | |
| 100 | 3840 | REAL, DIMENSION(klon) :: zx_sl, zx_coefh, zx_coefq, zx_wind | |
| 101 | 3840 | REAL, DIMENSION(klon) :: d_ts | |
| 102 | REAL :: zdelta, zcvm5, zx_qs, zcor, zx_dq_s_dh | ||
| 103 | REAL :: qsat_new, q1_new | ||
| 104 | REAL, PARAMETER :: t_grnd = 271.35, t_coup = 273.15 | ||
| 105 | REAL, PARAMETER :: max_eau_sol = 150.0 | ||
| 106 | CHARACTER (len = 20) :: modname = 'calcul_fluxs' | ||
| 107 | LOGICAL :: fonte_neige | ||
| 108 | LOGICAL, SAVE :: check = .FALSE. | ||
| 109 | !$OMP THREADPRIVATE(check) | ||
| 110 | |||
| 111 | ! End definition | ||
| 112 | !**************************************************************************************** | ||
| 113 | |||
| 114 |
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1920 | IF (check) WRITE(*,*)'Entree ', modname,' surface = ',nisurf |
| 115 | |||
| 116 |
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1920 | IF (check) THEN |
| 117 | ✗ | WRITE(*,*)' radsol (min, max)', & | |
| 118 | ✗ | MINVAL(radsol(1:knon)), MAXVAL(radsol(1:knon)) | |
| 119 | ENDIF | ||
| 120 | |||
| 121 | ! Traitement neige et humidite du sol | ||
| 122 | !**************************************************************************************** | ||
| 123 | ! | ||
| 124 | !!$ WRITE(*,*)'test calcul_flux, surface ', nisurf | ||
| 125 | !!PB test | ||
| 126 | !!$ if (nisurf == is_oce) then | ||
| 127 | !!$ snow = 0. | ||
| 128 | !!$ qsol = max_eau_sol | ||
| 129 | !!$ else | ||
| 130 | !!$ where (precip_snow > 0.) snow = snow + (precip_snow * dtime) | ||
| 131 | !!$ where (snow > epsilon(snow)) snow = max(0.0, snow - (evap * dtime)) | ||
| 132 | !!$! snow = max(0.0, snow + (precip_snow - evap) * dtime) | ||
| 133 | !!$ where (precip_rain > 0.) qsol = qsol + (precip_rain - evap) * dtime | ||
| 134 | !!$ endif | ||
| 135 | !!$ IF (nisurf /= is_ter) qsol = max_eau_sol | ||
| 136 | |||
| 137 | |||
| 138 | ! | ||
| 139 | ! Initialisation | ||
| 140 | !**************************************************************************************** | ||
| 141 |
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1910400 | evap = 0. |
| 142 |
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1910400 | fluxsens=0. |
| 143 |
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1910400 | fluxlat=0. |
| 144 |
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1910400 | dflux_s = 0. |
| 145 |
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1910400 | dflux_l = 0. |
| 146 |
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956160 | if (PRESENT(lat_prec_liq)) lat_prec_liq = 0. |
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956160 | if (PRESENT(lat_prec_sol)) lat_prec_sol = 0. |
| 148 | ! | ||
| 149 | ! zx_qs = qsat en kg/kg | ||
| 150 | !**************************************************************************************** | ||
| 151 |
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790372 | DO i = 1, knon |
| 152 | 788452 | zx_pkh(i) = (ps(i)/ps(i))**RKAPPA | |
| 153 | IF (thermcep) THEN | ||
| 154 | 788452 | zdelta=MAX(0.,SIGN(1.,rtt-tsurf(i))) | |
| 155 | 788452 | zcvm5 = R5LES*RLVTT*(1.-zdelta) + R5IES*RLSTT*zdelta | |
| 156 | 788452 | zcvm5 = zcvm5 / RCPD / (1.0+RVTMP2*q1lay(i)) | |
| 157 | 788452 | zx_qs= r2es * FOEEW(tsurf(i),zdelta)/ps(i) | |
| 158 | 788452 | zx_qs=MIN(0.5,zx_qs) | |
| 159 | 788452 | zcor=1./(1.-retv*zx_qs) | |
| 160 | 788452 | zx_qs=zx_qs*zcor | |
| 161 | zx_dq_s_dh = FOEDE(tsurf(i),zdelta,zcvm5,zx_qs,zcor) & | ||
| 162 | 788452 | /RLVTT / zx_pkh(i) | |
| 163 | ELSE | ||
| 164 | IF (tsurf(i).LT.t_coup) THEN | ||
| 165 | zx_qs = qsats(tsurf(i)) / ps(i) | ||
| 166 | zx_dq_s_dh = dqsats(tsurf(i),zx_qs)/RLVTT & | ||
| 167 | / zx_pkh(i) | ||
| 168 | ELSE | ||
| 169 | zx_qs = qsatl(tsurf(i)) / ps(i) | ||
| 170 | zx_dq_s_dh = dqsatl(tsurf(i),zx_qs)/RLVTT & | ||
| 171 | / zx_pkh(i) | ||
| 172 | ENDIF | ||
| 173 | ENDIF | ||
| 174 | 788452 | zx_dq_s_dt(i) = RCPD * zx_pkh(i) * zx_dq_s_dh | |
| 175 | 788452 | zx_qsat(i) = zx_qs | |
| 176 | 788452 | zx_wind(i)=min_wind_speed+SQRT(gustiness(i)+u1lay(i)**2+v1lay(i)**2) | |
| 177 | 788452 | zx_coefh(i) = cdragh(i) * zx_wind(i) * p1lay(i)/(RD*t1lay(i)) | |
| 178 | 1920 | zx_coefq(i) = cdragq(i) * zx_wind(i) * p1lay(i)/(RD*t1lay(i)) | |
| 179 | ! zx_wind(i)=min_wind_speed+SQRT(gustiness(i)+u1lay(i)**2+v1lay(i)**2) & | ||
| 180 | ! * p1lay(i)/(RD*t1lay(i)) | ||
| 181 | ! zx_coefh(i) = cdragh(i) * zx_wind(i) | ||
| 182 | ! zx_coefq(i) = cdragq(i) * zx_wind(i) | ||
| 183 | ENDDO | ||
| 184 | |||
| 185 | |||
| 186 | ! === Calcul de la temperature de surface === | ||
| 187 | ! zx_sl = chaleur latente d'evaporation ou de sublimation | ||
| 188 | !**************************************************************************************** | ||
| 189 | |||
| 190 |
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790372 | DO i = 1, knon |
| 191 | 788452 | zx_sl(i) = RLVTT | |
| 192 | 1920 | IF (tsurf(i) .LT. RTT) zx_sl(i) = RLSTT | |
| 193 | ENDDO | ||
| 194 | |||
| 195 | |||
| 196 |
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790372 | DO i = 1, knon |
| 197 | ! Q | ||
| 198 | 788452 | zx_oq(i) = 1. - (beta(i) * zx_coefq(i) * peqBcoef(i) * dtime) | |
| 199 | zx_mq(i) = beta(i) * zx_coefq(i) * & | ||
| 200 | (peqAcoef(i) - & | ||
| 201 | ! conv num avec precedente version | ||
| 202 | fqsat * zx_qsat(i) + fqsat * zx_dq_s_dt(i) * tsurf(i)) & | ||
| 203 | ! fqsat * ( zx_qsat(i) - zx_dq_s_dt(i) * tsurf(i)) ) & | ||
| 204 | 788452 | / zx_oq(i) | |
| 205 | zx_nq(i) = beta(i) * zx_coefq(i) * (- fqsat * zx_dq_s_dt(i)) & | ||
| 206 | 788452 | / zx_oq(i) | |
| 207 | |||
| 208 | ! H | ||
| 209 | 788452 | zx_oh(i) = 1. - (zx_coefh(i) * petBcoef(i) * dtime) | |
| 210 | 788452 | zx_mh(i) = zx_coefh(i) * petAcoef(i) / zx_oh(i) | |
| 211 | 788452 | zx_nh(i) = - (zx_coefh(i) * RCPD * zx_pkh(i))/ zx_oh(i) | |
| 212 | |||
| 213 | ! Tsurface | ||
| 214 | tsurf_new(i) = (tsurf(i) + cal(i)/(RCPD * zx_pkh(i)) * dtime * & | ||
| 215 | (radsol(i) + zx_mh(i) + zx_sl(i) * zx_mq(i)) & | ||
| 216 | + dif_grnd(i) * t_grnd * dtime)/ & | ||
| 217 | ( 1. - dtime * cal(i)/(RCPD * zx_pkh(i)) * ( & | ||
| 218 | zx_nh(i) + zx_sl(i) * zx_nq(i)) & | ||
| 219 | 788452 | + dtime * dif_grnd(i)) | |
| 220 | |||
| 221 | ! | ||
| 222 | ! Y'a-t-il fonte de neige? | ||
| 223 | ! | ||
| 224 | ! fonte_neige = (nisurf /= is_oce) .AND. & | ||
| 225 | ! & (snow(i) > epsfra .OR. nisurf == is_sic .OR. nisurf == is_lic) & | ||
| 226 | ! & .AND. (tsurf_new(i) >= RTT) | ||
| 227 | ! if (fonte_neige) tsurf_new(i) = RTT | ||
| 228 | 788452 | d_ts(i) = tsurf_new(i) - tsurf(i) | |
| 229 | ! zx_h_ts(i) = tsurf_new(i) * RCPD * zx_pkh(i) | ||
| 230 | ! zx_q_0(i) = zx_qsat(i) + zx_dq_s_dt(i) * d_ts(i) | ||
| 231 | |||
| 232 | !== flux_q est le flux de vapeur d'eau: kg/(m**2 s) positive vers bas | ||
| 233 | !== flux_t est le flux de cpt (energie sensible): j/(m**2 s) | ||
| 234 | 788452 | evap(i) = - zx_mq(i) - zx_nq(i) * tsurf_new(i) | |
| 235 | 788452 | fluxlat(i) = - evap(i) * zx_sl(i) | |
| 236 | 788452 | fluxsens(i) = zx_mh(i) + zx_nh(i) * tsurf_new(i) | |
| 237 | |||
| 238 | ! Derives des flux dF/dTs (W m-2 K-1): | ||
| 239 | 788452 | dflux_s(i) = zx_nh(i) | |
| 240 | 788452 | dflux_l(i) = (zx_sl(i) * zx_nq(i)) | |
| 241 | |||
| 242 | ! Nouvelle valeure de l'humidite au dessus du sol | ||
| 243 | 788452 | qsat_new=zx_qsat(i) + zx_dq_s_dt(i) * d_ts(i) | |
| 244 | 788452 | q1_new = peqAcoef(i) - peqBcoef(i)*evap(i)*dtime | |
| 245 | 788452 | qsurf(i)=q1_new*(1.-beta(i)) + beta(i)*qsat_new | |
| 246 | ! | ||
| 247 | ! en cas de fonte de neige | ||
| 248 | ! | ||
| 249 | ! if (fonte_neige) then | ||
| 250 | ! bilan_f = radsol(i) + fluxsens(i) - (zx_sl(i) * evap (i)) - & | ||
| 251 | ! & dif_grnd(i) * (tsurf_new(i) - t_grnd) - & | ||
| 252 | ! & RCPD * (zx_pkh(i))/cal(i)/dtime * (tsurf_new(i) - tsurf(i)) | ||
| 253 | ! bilan_f = max(0., bilan_f) | ||
| 254 | ! fq_fonte = bilan_f / zx_sl(i) | ||
| 255 | ! snow(i) = max(0., snow(i) - fq_fonte * dtime) | ||
| 256 | ! qsol(i) = qsol(i) + (fq_fonte * dtime) | ||
| 257 | ! endif | ||
| 258 | !!$ if (nisurf == is_ter) & | ||
| 259 | !!$ & run_off(i) = run_off(i) + max(qsol(i) - max_eau_sol, 0.0) | ||
| 260 | !!$ qsol(i) = min(qsol(i), max_eau_sol) | ||
| 261 | ! | ||
| 262 | ! calcul de l'enthalpie des precipitations liquides et solides | ||
| 263 |
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467812 | if (PRESENT(sens_prec_liq)) sens_prec_liq(i) & |
| 264 | = - sens_heat_rain(precip_rain(i) + precip_snow(i), t1lay(i), & | ||
| 265 | 467812 | q1lay(i), rhoa(i), rlvtt, tsurf_new(i), ps(i)) | |
| 266 |
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788452 | if (PRESENT(sens_prec_sol)) sens_prec_sol(i) = 0. |
| 267 | ! On calcule par rapport a T=0 | ||
| 268 | !! sens_prec_liq(i) = rcw * (t1lay(i) - RTT) * precip_rain(i) | ||
| 269 | !! sens_prec_sol(i) = rcs * (t1lay(i) - RTT) * precip_snow(i) | ||
| 270 | |||
| 271 |
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788452 | if (PRESENT(lat_prec_liq)) & |
| 272 | 467812 | lat_prec_liq(i) = precip_rain(i) * (RLVTT - RLVTT) | |
| 273 |
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788452 | if (PRESENT(lat_prec_sol)) & |
| 274 | 1920 | lat_prec_sol(i) = precip_snow(i) * (RLSTT - RLVTT) | |
| 275 | ENDDO | ||
| 276 | |||
| 277 | |||
| 278 | !************************************************************************** | ||
| 279 | ! | ||
| 280 |
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2880 | END SUBROUTINE calcul_fluxs |
| 281 | ! | ||
| 282 | !**************************************************************************************** | ||
| 283 | ! | ||
| 284 | 1920 | SUBROUTINE calcul_flux_wind(knon, dtime, & | |
| 285 | u0, v0, u1, v1, gustiness, cdrag_m, & | ||
| 286 | AcoefU, AcoefV, BcoefU, BcoefV, & | ||
| 287 | p1lay, t1lay, & | ||
| 288 | flux_u1, flux_v1) | ||
| 289 | |||
| 290 |
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3300980 | USE dimphy |
| 291 | INCLUDE "YOMCST.h" | ||
| 292 | INCLUDE "clesphys.h" | ||
| 293 | |||
| 294 | ! Input arguments | ||
| 295 | !**************************************************************************************** | ||
| 296 | INTEGER, INTENT(IN) :: knon | ||
| 297 | REAL, INTENT(IN) :: dtime | ||
| 298 | REAL, DIMENSION(klon), INTENT(IN) :: u0, v0 ! u and v at niveau 0 | ||
| 299 | REAL, DIMENSION(klon), INTENT(IN) :: u1, v1, gustiness ! u and v at niveau 1 | ||
| 300 | REAL, DIMENSION(klon), INTENT(IN) :: cdrag_m ! cdrag pour momentum | ||
| 301 | REAL, DIMENSION(klon), INTENT(IN) :: AcoefU, AcoefV, BcoefU, BcoefV | ||
| 302 | REAL, DIMENSION(klon), INTENT(IN) :: p1lay ! pression 1er niveau (milieu de couche) | ||
| 303 | REAL, DIMENSION(klon), INTENT(IN) :: t1lay ! temperature | ||
| 304 | ! Output arguments | ||
| 305 | !**************************************************************************************** | ||
| 306 | REAL, DIMENSION(klon), INTENT(OUT) :: flux_u1 | ||
| 307 | REAL, DIMENSION(klon), INTENT(OUT) :: flux_v1 | ||
| 308 | |||
| 309 | ! Local variables | ||
| 310 | !**************************************************************************************** | ||
| 311 | INTEGER :: i | ||
| 312 | REAL :: mod_wind, buf | ||
| 313 | |||
| 314 | !**************************************************************************************** | ||
| 315 | ! Calculate the surface flux | ||
| 316 | ! | ||
| 317 | !**************************************************************************************** | ||
| 318 |
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790372 | DO i=1,knon |
| 319 | 788452 | mod_wind = min_wind_speed + SQRT(gustiness(i)+(u1(i) - u0(i))**2 + (v1(i)-v0(i))**2) | |
| 320 | 788452 | buf = cdrag_m(i) * mod_wind * p1lay(i)/(RD*t1lay(i)) | |
| 321 | 788452 | flux_u1(i) = (AcoefU(i) - u0(i)) / (1/buf - BcoefU(i)*dtime ) | |
| 322 | 790372 | flux_v1(i) = (AcoefV(i) - v0(i)) / (1/buf - BcoefV(i)*dtime ) | |
| 323 | END DO | ||
| 324 | |||
| 325 | 1920 | END SUBROUTINE calcul_flux_wind | |
| 326 | ! | ||
| 327 | !**************************************************************************************** | ||
| 328 | ! | ||
| 329 | END MODULE calcul_fluxs_mod | ||
| 330 |