| 9 |
! "regr_pr_o3" stands for "regrid pressure ozone". |
! "regr_pr_o3" stands for "regrid pressure ozone". |
| 10 |
! This procedure reads Mobidic ozone mole fraction from |
! This procedure reads Mobidic ozone mole fraction from |
| 11 |
! "coefoz_LMDZ.nc" at the initial day and regrids it in pressure. |
! "coefoz_LMDZ.nc" at the initial day and regrids it in pressure. |
| 12 |
|
! Ozone mole fraction from "coefoz_LMDZ.nc" is a 2D latitude -- |
| 13 |
|
! pressure variable. |
| 14 |
|
! The target horizontal LMDZ grid is the "scalar" grid: "rlonv", "rlatu". |
| 15 |
|
! The target vertical LMDZ grid is the grid of layer boundaries. |
| 16 |
|
! We assume that the input variable is already on the LMDZ "rlatu" |
| 17 |
|
! latitude grid. |
| 18 |
|
! The input variable does not depend on longitude, but the |
| 19 |
|
! pressure at LMDZ layers does. |
| 20 |
|
! Therefore, the values on the LMDZ grid do depend on longitude. |
| 21 |
! Regridding is by averaging, assuming a step function. |
! Regridding is by averaging, assuming a step function. |
| 22 |
! We assume that, in the input file, the pressure levels are in hPa |
! We assume that, in the input file, the pressure levels are in |
| 23 |
! and strictly increasing. |
! hPa and strictly increasing. |
| 24 |
|
|
| 25 |
use conf_gcm_m, only: dayref |
use conf_gcm_m, only: dayref |
| 26 |
use dimens_m, only: iim, jjm, llm |
use dimens_m, only: iim, jjm, llm |
| 27 |
use netcdf95, only: nf95_open, nf95_close, nf95_inq_varid, handle_err, & |
use netcdf95, only: nf95_open, nf95_close, nf95_inq_varid, handle_err, & |
| 28 |
nf95_get_coord |
nf95_get_coord |
| 29 |
use netcdf, only: nf90_nowrite, nf90_get_var |
use netcdf, only: nf90_nowrite, nf90_get_var |
|
use regr_pr, only: regr_pr_av |
|
| 30 |
use numer_rec, only: assert |
use numer_rec, only: assert |
| 31 |
|
use grid_change, only: dyn_phy |
| 32 |
|
use regr1_step_av_m, only: regr1_step_av |
| 33 |
|
use pressure_var, only: p3d |
| 34 |
|
|
| 35 |
real, intent(out):: o3_mob_regr(:, :, :) ! (iim + 1, jjm + 1, llm) |
real, intent(out):: o3_mob_regr(:, :, :) ! (iim + 1, jjm + 1, llm) |
| 36 |
! (ozone mole fraction from Mobidic adapted to the LMDZ grid) |
! (ozone mole fraction from Mobidic adapted to the LMDZ grid) |
| 48 |
|
|
| 49 |
integer ncid, varid, ncerr ! for NetCDF |
integer ncid, varid, ncerr ! for NetCDF |
| 50 |
integer n_plev ! number of pressure levels in Mobidic data |
integer n_plev ! number of pressure levels in Mobidic data |
| 51 |
integer j |
integer i, j |
| 52 |
|
|
| 53 |
real, allocatable:: r_mob(:, :)! (jjm + 1, n_plev) |
real, allocatable:: r_mob(:, :)! (jjm + 1, n_plev) |
| 54 |
! (ozone mole fraction from Mobidic at day "dayref") |
! (ozone mole fraction from Mobidic at day "dayref") |
| 89 |
|
|
| 90 |
call nf95_close(ncid) |
call nf95_close(ncid) |
| 91 |
|
|
| 92 |
o3_mob_regr = regr_pr_av(r_mob, press_in_edg) |
! Regrid in pressure by averaging a step function of pressure. |
| 93 |
|
do j = 1, jjm + 1 |
| 94 |
|
do i = 1, iim |
| 95 |
|
if (dyn_phy(i, j)) then |
| 96 |
|
o3_mob_regr(i, j, llm:1:-1) & |
| 97 |
|
= regr1_step_av(r_mob(j, :), press_in_edg, & |
| 98 |
|
p3d(i, j, llm+1:1:-1)) |
| 99 |
|
! (invert order of indices because "p3d" is decreasing) |
| 100 |
|
end if |
| 101 |
|
end do |
| 102 |
|
end do |
| 103 |
|
|
| 104 |
|
! Duplicate pole values on all longitudes: |
| 105 |
|
o3_mob_regr(2:, 1, :) = spread(o3_mob_regr(1, 1, :), dim=1, ncopies=iim) |
| 106 |
|
o3_mob_regr(2:, jjm + 1, :) & |
| 107 |
|
= spread(o3_mob_regr(1, jjm + 1, :), dim=1, ncopies=iim) |
| 108 |
|
|
| 109 |
|
! Duplicate first longitude to last longitude: |
| 110 |
|
o3_mob_regr(iim + 1, 2:jjm, :) = o3_mob_regr(1, 2:jjm, :) |
| 111 |
|
|
| 112 |
end subroutine regr_pr_o3 |
end subroutine regr_pr_o3 |
| 113 |
|
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