| [2759] | 1 | !WRF:MODEL_LAYER:PHYSICS |
|---|
| 2 | ! |
|---|
| 3 | MODULE module_ra_hs |
|---|
| 4 | |
|---|
| 5 | CONTAINS |
|---|
| 6 | |
|---|
| 7 | !------------------------------------------------------------------ |
|---|
| 8 | SUBROUTINE HSRAD(RTHRATEN,p8w,p_phy,pi_phy,dz8w,t_phy, & |
|---|
| 9 | t8w, rho_phy, R_d,G,CP,dt,xlat,degrad, & |
|---|
| 10 | ids,ide, jds,jde, kds,kde, & |
|---|
| 11 | ims,ime, jms,jme, kms,kme, & |
|---|
| 12 | its,ite, jts,jte, kts,kte ) |
|---|
| 13 | |
|---|
| 14 | !------------------------------------------------------------------ |
|---|
| 15 | IMPLICIT NONE |
|---|
| 16 | !------------------------------------------------------------------ |
|---|
| 17 | INTEGER, INTENT(IN ) :: ids,ide, jds,jde, kds,kde, & |
|---|
| 18 | ims,ime, jms,jme, kms,kme, & |
|---|
| 19 | its,ite, jts,jte, kts,kte |
|---|
| 20 | |
|---|
| 21 | REAL, INTENT(IN ) :: DEGRAD |
|---|
| 22 | |
|---|
| 23 | REAL, DIMENSION( ims:ime, kms:kme, jms:jme ), & |
|---|
| 24 | INTENT(INOUT) :: RTHRATEN |
|---|
| 25 | |
|---|
| 26 | REAL, INTENT(IN ) :: R_d,CP,G,dt |
|---|
| 27 | |
|---|
| 28 | REAL, DIMENSION( ims:ime, kms:kme, jms:jme ), & |
|---|
| 29 | INTENT(IN ) :: dz8w, & |
|---|
| 30 | p8w, & |
|---|
| 31 | p_phy, & |
|---|
| 32 | pi_phy, & |
|---|
| 33 | t_phy, & |
|---|
| 34 | t8w, & |
|---|
| 35 | rho_phy |
|---|
| 36 | REAL, DIMENSION( ims:ime, jms:jme ), & |
|---|
| 37 | INTENT(IN ) :: xlat |
|---|
| 38 | |
|---|
| 39 | INTEGER :: i,j,K,NK |
|---|
| 40 | real :: delty,delthez,p0,sec_p_d,sigb,kka,kks,kkf,rcp |
|---|
| 41 | real :: ttmp,teq,sig,sigterm,kkt,t_tend |
|---|
| 42 | |
|---|
| 43 | !------------------------------------------------------------------ |
|---|
| 44 | ! Newtonian relaxation scheme from Held and Suarez, Bull. Amer. Met. |
|---|
| 45 | ! Soc., Vol. 75, No. 10., p1825-1830, 1994. (box on page 1826) |
|---|
| 46 | ! CEN and MIR 31-JUL-04 |
|---|
| 47 | |
|---|
| 48 | delty = 60.0 |
|---|
| 49 | delthez = 10.0 |
|---|
| 50 | p0 = 100000.0 |
|---|
| 51 | sec_p_d = 86400. |
|---|
| 52 | sigb = 0.7 |
|---|
| 53 | kka = 1.0/40.0 ! units of per day |
|---|
| 54 | kks = 0.25 |
|---|
| 55 | kkf = 1.0 |
|---|
| 56 | rcp = R_d/CP |
|---|
| 57 | |
|---|
| 58 | j_loop: DO J=jts,MIN(jte,jde-1) |
|---|
| 59 | k_loop: DO K=kts,MIN(kte,kde-1) |
|---|
| 60 | i_loop: DO I=its,MIN(ite,ide-1) |
|---|
| 61 | |
|---|
| 62 | ttmp = 315.0 - delty*(sin(xlat(i,j)*degrad))**2.0- & |
|---|
| 63 | delthez*alog(p_phy(i,k,j)/p0)*(cos(xlat(i,j)*degrad))**2.0 |
|---|
| 64 | |
|---|
| 65 | teq=max(200.0,ttmp*(p_phy(i,k,j)/p0)**rcp) |
|---|
| 66 | |
|---|
| 67 | sig=p_phy(i,k,j)/p8w(i,1,j) |
|---|
| 68 | sigterm=max(0.0,(sig-sigb)/(1.0-sigb)) |
|---|
| 69 | |
|---|
| 70 | kkt=kka+(kks-kka)*sigterm*(cos(xlat(i,j)*degrad))**4.0 |
|---|
| 71 | |
|---|
| 72 | t_tend=-kkt*(t_phy(i,k,j)-teq)/sec_p_d ! t_tend in kinetic K/s |
|---|
| 73 | |
|---|
| 74 | RTHRATEN(I,K,J)=RTHRATEN(I,K,J)+t_tend/pi_phy(i,k,j) |
|---|
| 75 | |
|---|
| 76 | ENDDO i_loop |
|---|
| 77 | ENDDO k_loop |
|---|
| 78 | ENDDO j_loop |
|---|
| 79 | |
|---|
| 80 | END SUBROUTINE HSRAD |
|---|
| 81 | |
|---|
| 82 | !==================================================================== |
|---|
| 83 | SUBROUTINE hsinit(RTHRATEN,restart, & |
|---|
| 84 | ids, ide, jds, jde, kds, kde, & |
|---|
| 85 | ims, ime, jms, jme, kms, kme, & |
|---|
| 86 | its, ite, jts, jte, kts, kte ) |
|---|
| 87 | !-------------------------------------------------------------------- |
|---|
| 88 | IMPLICIT NONE |
|---|
| 89 | !-------------------------------------------------------------------- |
|---|
| 90 | LOGICAL , INTENT(IN) :: restart |
|---|
| 91 | INTEGER , INTENT(IN) :: ids, ide, jds, jde, kds, kde, & |
|---|
| 92 | ims, ime, jms, jme, kms, kme, & |
|---|
| 93 | its, ite, jts, jte, kts, kte |
|---|
| 94 | |
|---|
| 95 | REAL , DIMENSION( ims:ime , kms:kme , jms:jme ) , INTENT(INOUT) :: & |
|---|
| 96 | RTHRATEN |
|---|
| 97 | INTEGER :: i, j, k, itf, jtf, ktf |
|---|
| 98 | |
|---|
| 99 | jtf=min0(jte,jde-1) |
|---|
| 100 | ktf=min0(kte,kde-1) |
|---|
| 101 | itf=min0(ite,ide-1) |
|---|
| 102 | |
|---|
| 103 | IF(.not.restart)THEN |
|---|
| 104 | DO j=jts,jtf |
|---|
| 105 | DO k=kts,ktf |
|---|
| 106 | DO i=its,itf |
|---|
| 107 | RTHRATEN(i,k,j)=0. |
|---|
| 108 | ENDDO |
|---|
| 109 | ENDDO |
|---|
| 110 | ENDDO |
|---|
| 111 | ENDIF |
|---|
| 112 | |
|---|
| 113 | END SUBROUTINE hsinit |
|---|
| 114 | |
|---|
| 115 | !==================================================================== |
|---|
| 116 | |
|---|
| 117 | END MODULE module_ra_hs |
|---|
