| 1 | ! |
|---|
| 2 | ! $Header$ |
|---|
| 3 | ! |
|---|
| 4 | c |
|---|
| 5 | c |
|---|
| 6 | SUBROUTINE hydrol(dtime,pctsrf,rain_fall,snow_fall,evap, |
|---|
| 7 | . agesno, tsol,qsol,snow,runoff) |
|---|
| 8 | USE dimphy |
|---|
| 9 | IMPLICIT none |
|---|
| 10 | c====================================================================== |
|---|
| 11 | c Auteur(s): Z.X. Li (LMD/CNRS) |
|---|
| 12 | c date: 19940414 |
|---|
| 13 | c====================================================================== |
|---|
| 14 | c |
|---|
| 15 | c Traitement de l'hydrologie du sol |
|---|
| 16 | c --------------------------------- |
|---|
| 17 | c rain_fall: taux de pluie |
|---|
| 18 | c snow_fall: taux de neige |
|---|
| 19 | c agesno: age de la neige |
|---|
| 20 | c evap: taux d'evaporation |
|---|
| 21 | c tsol: temperature du sol |
|---|
| 22 | c qsol: humidite du sol |
|---|
| 23 | c snow: couverture neigeuse |
|---|
| 24 | C |
|---|
| 25 | cym#include "dimensions.h" |
|---|
| 26 | cym#include "dimphy.h" |
|---|
| 27 | #include "YOMCST.h" |
|---|
| 28 | #include "indicesol.h" |
|---|
| 29 | c |
|---|
| 30 | REAL chasno ! epaisseur du sol: 0.15 m |
|---|
| 31 | PARAMETER (chasno=3.334E+05/(2.3867E+06*0.15)) |
|---|
| 32 | REAL mx_eau_sol |
|---|
| 33 | PARAMETER (mx_eau_sol=150.0) |
|---|
| 34 | c |
|---|
| 35 | REAL dtime |
|---|
| 36 | REAL pctsrf(klon,nbsrf) |
|---|
| 37 | REAL snow(klon,nbsrf), tsol(klon,nbsrf), qsol(klon,nbsrf) |
|---|
| 38 | REAL snow_fall(klon), rain_fall(klon), evap(klon) |
|---|
| 39 | REAL runoff(klon), agesno(klon) |
|---|
| 40 | C |
|---|
| 41 | INTEGER i, is |
|---|
| 42 | REAL subli, fsno |
|---|
| 43 | C----------------------------------------------------------------------- |
|---|
| 44 | DO 99999 i = 1, klon |
|---|
| 45 | c |
|---|
| 46 | runoff(i) = 0.0 |
|---|
| 47 | c |
|---|
| 48 | is = is_ter |
|---|
| 49 | snow(i,is) = snow(i,is) + snow_fall(i) * dtime * pctsrf(i,is) |
|---|
| 50 | IF (pctsrf(i,is) .GT. epsfra) THEN |
|---|
| 51 | subli = MIN(evap(i)*dtime,snow(i,is)) |
|---|
| 52 | snow(i,is) = snow(i,is) - subli |
|---|
| 53 | fsno = MIN(MAX((tsol(i,is)-RTT)/chasno,0.0),snow(i,is)) |
|---|
| 54 | snow(i,is) = snow(i,is) - fsno |
|---|
| 55 | tsol(i,is) = tsol(i,is) - fsno*chasno |
|---|
| 56 | qsol(i,is) = qsol(i,is) + (rain_fall(i)-evap(i))*dtime |
|---|
| 57 | . + subli + fsno |
|---|
| 58 | qsol(i,is) = MAX(qsol(i,is),0.0) |
|---|
| 59 | runoff(i) = runoff(i) + MAX(qsol(i,is)-mx_eau_sol, 0.0) |
|---|
| 60 | . * pctsrf(i,is) |
|---|
| 61 | qsol(i,is) = MIN(qsol(i,is),mx_eau_sol) |
|---|
| 62 | ccc ELSE |
|---|
| 63 | ccc snow(i,is) = 0.0 |
|---|
| 64 | ccc qsol(i,is) = 0.0 |
|---|
| 65 | ccc tsol(i,is) = 0.0 |
|---|
| 66 | ENDIF |
|---|
| 67 | c |
|---|
| 68 | is = is_lic |
|---|
| 69 | snow(i,is) = snow(i,is) + snow_fall(i) * dtime * pctsrf(i,is) |
|---|
| 70 | IF (pctsrf(i,is) .GT. epsfra) THEN |
|---|
| 71 | subli = MIN(evap(i)*dtime,snow(i,is)) |
|---|
| 72 | snow(i,is) = snow(i,is) - subli |
|---|
| 73 | fsno = MIN(MAX((tsol(i,is)-RTT)/chasno,0.0),snow(i,is)) |
|---|
| 74 | snow(i,is) = snow(i,is) - fsno |
|---|
| 75 | tsol(i,is) = tsol(i,is) - fsno*chasno |
|---|
| 76 | qsol(i,is) = qsol(i,is) + (rain_fall(i)-evap(i))*dtime |
|---|
| 77 | . + subli + fsno |
|---|
| 78 | qsol(i,is) = MAX(qsol(i,is),0.0) |
|---|
| 79 | runoff(i) = runoff(i) + MAX(qsol(i,is)-mx_eau_sol, 0.0) |
|---|
| 80 | . * pctsrf(i,is) |
|---|
| 81 | qsol(i,is) = MIN(qsol(i,is),mx_eau_sol) |
|---|
| 82 | c je limite la temperature a RTT-1.8 (il faudrait aussi prendre l'eau de |
|---|
| 83 | c la fonte) (Laurent Li, le 14mars98): |
|---|
| 84 | cIM cf GK tsol(i,is) = MIN(tsol(i,is),RTT-1.8) |
|---|
| 85 | cIM cf GK : la glace fond a 0C, non pas a -1.8 |
|---|
| 86 | tsol(i,is) = MIN(tsol(i,is),RTT) |
|---|
| 87 | c |
|---|
| 88 | ccc ELSE |
|---|
| 89 | ccc snow(i,is) = 0.0 |
|---|
| 90 | ccc qsol(i,is) = 0.0 |
|---|
| 91 | ccc tsol(i,is) = 0.0 |
|---|
| 92 | ENDIF |
|---|
| 93 | c |
|---|
| 94 | is = is_sic |
|---|
| 95 | qsol(i,is) = 0.0 |
|---|
| 96 | snow(i,is) = snow(i,is) + snow_fall(i) * dtime * pctsrf(i,is) |
|---|
| 97 | IF (pctsrf(i,is) .GT. epsfra) THEN |
|---|
| 98 | subli = MIN(evap(i)*dtime,snow(i,is)) |
|---|
| 99 | snow(i,is) = snow(i,is) - subli |
|---|
| 100 | fsno = MIN(MAX((tsol(i,is)-RTT)/chasno,0.0),snow(i,is)) |
|---|
| 101 | snow(i,is) = snow(i,is) - fsno |
|---|
| 102 | tsol(i,is) = tsol(i,is) - fsno*chasno |
|---|
| 103 | c je limite la temperature a RTT-1.8 (il faudrait aussi prendre l'eau de |
|---|
| 104 | c la fonte) (Laurent Li, le 14mars98): |
|---|
| 105 | cIM cf GK tsol(i,is) = MIN(tsol(i,is),RTT-1.8) |
|---|
| 106 | cIM cf GK : la glace fond a 0C, non pas a -1.8 |
|---|
| 107 | tsol(i,is) = MIN(tsol(i,is),RTT) |
|---|
| 108 | c |
|---|
| 109 | ccc ELSE |
|---|
| 110 | ccc snow(i,is) = 0.0 |
|---|
| 111 | ccc tsol(i,is) = 0.0 |
|---|
| 112 | ENDIF |
|---|
| 113 | c |
|---|
| 114 | agesno(i) = (agesno(i)+ (1.-agesno(i)/50.)*dtime/86400.) |
|---|
| 115 | . * EXP(-1.*MAX(0.0,snow_fall(i))*dtime/0.3) |
|---|
| 116 | agesno(i) = MAX(agesno(i),0.0) |
|---|
| 117 | c |
|---|
| 118 | 99999 CONTINUE |
|---|
| 119 | c |
|---|
| 120 | RETURN |
|---|
| 121 | END |
|---|
