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contains |
contains |
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subroutine regr_pr_av(ncid, name, julien, v3) |
subroutine regr_pr_av(ncid, name, julien, paprs, v3) |
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! "regr_pr_av" stands for "regrid pressure averaging". |
! "regr_pr_av" stands for "regrid pressure averaging". |
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use nr_util, only: assert |
use nr_util, only: assert |
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use numer_rec_95, only: regr1_step_av |
use numer_rec_95, only: regr1_step_av |
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use press_coefoz_m, only: press_in_edg |
use press_coefoz_m, only: press_in_edg |
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use pressure_var, only: p3d |
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integer, intent(in):: ncid ! NetCDF ID of the file |
integer, intent(in):: ncid ! NetCDF ID of the file |
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character(len=*), intent(in):: name ! of the NetCDF variable |
character(len=*), intent(in):: name ! of the NetCDF variable |
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integer, intent(in):: julien ! jour julien, 1 <= julien <= 360 |
integer, intent(in):: julien ! jour julien, 1 <= julien <= 360 |
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real, intent(in):: paprs(:, :) ! (klon, llm + 1) |
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! (pression pour chaque inter-couche, en Pa) |
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real, intent(out):: v3(:, :) ! (klon, llm) |
real, intent(out):: v3(:, :) ! (klon, llm) |
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! regridded field on the partial "physics" grid |
! regridded field on the partial "physics" grid |
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! "v3(i, k)" is at longitude "xlon(i)", latitude "xlat(i)", in |
! "v3(i, k)" is at longitude "xlon(i)", latitude "xlat(i)", in |
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integer varid ! for NetCDF |
integer varid ! for NetCDF |
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real v1(jjm + 1, size(press_in_edg) - 1) |
real v1(jjm + 1, size(press_in_edg) - 1) |
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! input field at day "julien" |
! input field at day "julien" |
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! "v1(j, k)" is at latitude "rlatu(j)" and for |
! "v1(j, k)" is at latitude "rlatu(j)" and for |
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! pressure interval "[press_in_edg(k), press_in_edg(k+1)]". |
! pressure interval "[press_in_edg(k), press_in_edg(k+1)]". |
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real v2(iim + 1, jjm + 1, llm) |
real v2(klon, size(press_in_edg) - 1) |
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! regridded field on the "dynamics" grid |
! Field on the "physics" horizontal grid. "v2(i, k)" is at |
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! ("v2(i, j, k)" is at longitude "rlonv(i)", latitude |
! longitude "xlon(i)", latitude "xlat(i)" and for pressure |
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! "rlatu(j)" and for pressure interval "[p3d(i, j, k+1), p3d(i, j, k)]".) |
! interval "[press_in_edg(k), press_in_edg(k+1)]".) |
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integer i, j, k |
integer i, k |
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!-------------------------------------------- |
!-------------------------------------------- |
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call assert(shape(v3) == (/klon, llm/), "regr_pr_av") |
call assert(shape(v3) == (/klon, llm/), "regr_pr_av klon llm") |
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call assert(shape(paprs) == (/klon, llm+1/), "regr_pr_av paprs") |
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call nf95_inq_varid(ncid, name, varid) |
call nf95_inq_varid(ncid, name, varid) |
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! "rlatu" is in descending order so we need to invert order: |
! "rlatu" is in descending order so we need to invert order: |
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v1 = v1(jjm+1:1:-1, :) |
v1 = v1(jjm+1:1:-1, :) |
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forall (k = 1:size(press_in_edg) - 1) v2(:, k) = pack(spread(v1(:, k), & |
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dim = 1, ncopies = iim + 1), dyn_phy) |
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! Regrid in pressure at each horizontal position: |
! Regrid in pressure at each horizontal position: |
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do j = 1, jjm + 1 |
do i = 1, klon |
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do i = 1, iim |
v3(i, llm:1:-1) = regr1_step_av(v2(i, :), press_in_edg, & |
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if (dyn_phy(i, j)) then |
paprs(i, llm+1:1:-1)) |
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v2(i, j, llm:1:-1) & |
! (invert order of indices because "paprs" is in descending order) |
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= regr1_step_av(v1(j, :), press_in_edg, & |
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p3d(i, j, llm+1:1:-1)) |
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! (invert order of indices because "p3d" is in descending order) |
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end if |
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end do |
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end do |
end do |
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forall (k = 1:llm) v3(:, k) = pack(v2(:, :, k), dyn_phy) |
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end subroutine regr_pr_av |
end subroutine regr_pr_av |
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end module regr_pr_av_m |
end module regr_pr_av_m |