| 1 | SUBROUTINE alpale_wk( dtime, cell_area, zoccur, sigmaw, wdens, fip , & |
|---|
| 2 | fip_cond) |
|---|
| 3 | |
|---|
| 4 | ! ************************************************************** |
|---|
| 5 | ! * |
|---|
| 6 | ! ALPALE_WK * |
|---|
| 7 | ! * |
|---|
| 8 | ! * |
|---|
| 9 | ! written by : Jean-Yves Grandpeix, 07/08/2017 * |
|---|
| 10 | ! modified by : * |
|---|
| 11 | ! ************************************************************** |
|---|
| 12 | |
|---|
| 13 | USE dimphy, ONLY: klon |
|---|
| 14 | USE lmdz_ioipsl_getin_p, ONLY: getin_p |
|---|
| 15 | USE lmdz_print_control, ONLY: mydebug=>debug , lunout, prt_level |
|---|
| 16 | |
|---|
| 17 | IMPLICIT NONE |
|---|
| 18 | |
|---|
| 19 | !================================================================ |
|---|
| 20 | ! Auteur(s) : Jean-Yves Grandpeix, 07/08/2017 |
|---|
| 21 | ! Objet : Contribution of the wake scheme to Ale and Alp |
|---|
| 22 | !================================================================ |
|---|
| 23 | |
|---|
| 24 | ! Input arguments |
|---|
| 25 | !---------------- |
|---|
| 26 | REAL, INTENT(IN) :: dtime |
|---|
| 27 | REAL, DIMENSION(klon), INTENT(IN) :: cell_area |
|---|
| 28 | INTEGER, DIMENSION(klon), INTENT (IN) :: zoccur |
|---|
| 29 | REAL, DIMENSION(klon), INTENT(IN) :: sigmaw |
|---|
| 30 | REAL, DIMENSION(klon), INTENT(IN) :: wdens |
|---|
| 31 | REAL, DIMENSION(klon), INTENT(IN) :: fip |
|---|
| 32 | ! Output arguments |
|---|
| 33 | !----------------- |
|---|
| 34 | REAL, DIMENSION(klon), INTENT(OUT) :: fip_cond |
|---|
| 35 | |
|---|
| 36 | |
|---|
| 37 | ! Local variables |
|---|
| 38 | !---------------- |
|---|
| 39 | INTEGER :: i |
|---|
| 40 | LOGICAL, SAVE :: first = .TRUE. |
|---|
| 41 | !$OMP THREADPRIVATE(first) |
|---|
| 42 | REAL, ALLOCATABLE, SAVE, DIMENSION(:) :: cellrad |
|---|
| 43 | !$OMP THREADPRIVATE(cellrad) |
|---|
| 44 | REAL, DIMENSION(klon) :: wkrad |
|---|
| 45 | REAL, DIMENSION(klon) :: proba_gf |
|---|
| 46 | |
|---|
| 47 | INCLUDE "YOMCST.h" ! rpi |
|---|
| 48 | |
|---|
| 49 | IF (first) THEN |
|---|
| 50 | ALLOCATE (cellrad(klon)) |
|---|
| 51 | ! Compute pseudo grid-cell radius cellrad, such that pi*cellrad^2=cell_area |
|---|
| 52 | print *,'alpale_wk: cell_area(1) ',cell_area(1) |
|---|
| 53 | cellrad(:)=sqrt(cell_area(:)/rpi) |
|---|
| 54 | first = .FALSE. |
|---|
| 55 | ENDIF |
|---|
| 56 | |
|---|
| 57 | ! Compute wake radius |
|---|
| 58 | !! print *,'alpale_wk: sigmaw(1), wdens(1) ', sigmaw(1), wdens(1) |
|---|
| 59 | DO i = 1,klon |
|---|
| 60 | IF (zoccur(i) >= 1) THEN |
|---|
| 61 | wkrad(i) = sqrt(sigmaw(i)/(rpi*wdens(i))) |
|---|
| 62 | ELSE |
|---|
| 63 | wkrad(i) = 0. |
|---|
| 64 | ENDIF ! (zoccur(i) .GE. 1) |
|---|
| 65 | ENDDO |
|---|
| 66 | |
|---|
| 67 | ! Compute probability that the grid-cell is intersected by a gust front |
|---|
| 68 | !! print *,'alpale_wk: wkrad(1), cellrad(1) ', wkrad(1), cellrad(1) |
|---|
| 69 | !! proba_gf(:) = exp(-wdens(:)*rpi*max(wkrad(:)-cellrad(:),0.)**2) - & ! Formules |
|---|
| 70 | !! exp(-wdens(:)*rpi*(wkrad(:)+cellrad(:))**2) ! fausses ! |
|---|
| 71 | proba_gf(:) = 1. - exp(-wdens(:)*rpi*((wkrad(:)+cellrad(:))**2 - & |
|---|
| 72 | max(wkrad(:)-cellrad(:),0.)**2) ) |
|---|
| 73 | |
|---|
| 74 | proba_gf(:) = max(proba_gf(:),1.e-3) |
|---|
| 75 | ! Compute Fip conditionned on the presence of some gust front within the |
|---|
| 76 | ! grid-cell |
|---|
| 77 | !! print *,'alpale_wk: proba_gf(1), fip(1), ', proba_gf(1), fip(1) |
|---|
| 78 | fip_cond(:) = fip(:)/proba_gf(:) |
|---|
| 79 | !! print *,'alpale_wk: wkrad(1), cellrad(1), proba_gf(1), fip(1), fip_cond(1) ', & |
|---|
| 80 | !! wkrad(1), cellrad(1), proba_gf(1), fip(1), fip_cond(1) |
|---|
| 81 | |
|---|
| 82 | |
|---|
| 83 | END SUBROUTINE alpale_wk |
|---|
| 84 | |
|---|
