| 61 |
! Variables local to the procedure: |
! Variables local to the procedure: |
| 62 |
integer ncid ! for NetCDF |
integer ncid ! for NetCDF |
| 63 |
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real, pointer:: plev(:) |
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! (pressure level of input data, converted to Pa, in strictly |
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! increasing order) |
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integer n_plev ! number of pressure levels in the input data |
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real, allocatable:: press_in_edg(:) |
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! (edges of pressure intervals for input data, in Pa, in strictly |
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! increasing order) |
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| 64 |
real coefoz(klon, llm) |
real coefoz(klon, llm) |
| 65 |
! (temporary storage for an ozone coefficient) |
! (temporary storage for an ozone coefficient) |
| 66 |
! (On the "physics" grid. |
! (On the "physics" grid. |
| 87 |
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| 88 |
call nf95_open("coefoz_LMDZ.nc", nf90_nowrite, ncid) |
call nf95_open("coefoz_LMDZ.nc", nf90_nowrite, ncid) |
| 89 |
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| 90 |
call nf95_get_coord(ncid, "plev", plev) |
call regr_pr_av_coefoz(ncid, "a2", julien, a2) |
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! Convert from hPa to Pa because "regr_pr_av" and "regr_pr_int" require so: |
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plev = plev * 100. |
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n_plev = size(plev) |
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! Compute edges of pressure intervals: |
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allocate(press_in_edg(n_plev + 1)) |
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press_in_edg(1) = 0. |
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! We choose edges halfway in logarithm: |
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forall (k = 2:n_plev) press_in_edg(k) = sqrt(plev(k - 1) * plev(k)) |
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press_in_edg(n_plev + 1) = huge(0.) |
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! (infinity, but any value guaranteed to be greater than the |
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! surface pressure would do) |
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call regr_pr_av_coefoz(ncid, "a2", julien, press_in_edg, a2) |
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| 91 |
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| 92 |
call regr_pr_av_coefoz(ncid, "a4", julien, press_in_edg, a4_mass) |
call regr_pr_av_coefoz(ncid, "a4", julien, a4_mass) |
| 93 |
a4_mass = a4_mass * 48. / 29. |
a4_mass = a4_mass * 48. / 29. |
| 94 |
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| 95 |
call regr_pr_av_coefoz(ncid, "a6", julien, press_in_edg, a6) |
call regr_pr_av_coefoz(ncid, "a6", julien, a6) |
| 96 |
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| 97 |
! Compute "a6_mass" avoiding underflow, do not divide by 1e4 |
! Compute "a6_mass" avoiding underflow, do not divide by 1e4 |
| 98 |
! before dividing by molecular mass: |
! before dividing by molecular mass: |
| 103 |
! (We use as few local variables as possible, in order to spare |
! (We use as few local variables as possible, in order to spare |
| 104 |
! main memory.) |
! main memory.) |
| 105 |
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| 106 |
call regr_pr_av_coefoz(ncid, "P_net_Mob", julien, press_in_edg, c_Mob) |
call regr_pr_av_coefoz(ncid, "P_net_Mob", julien, c_Mob) |
| 107 |
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| 108 |
call regr_pr_av_coefoz(ncid, "r_Mob", julien, press_in_edg, coefoz) |
call regr_pr_av_coefoz(ncid, "r_Mob", julien, coefoz) |
| 109 |
c_mob = c_mob - a2 * coefoz |
c_mob = c_mob - a2 * coefoz |
| 110 |
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| 111 |
call regr_pr_int_coefoz(ncid, "Sigma_Mob", julien, plev, top_value=0., & |
call regr_pr_int_coefoz(ncid, "Sigma_Mob", julien, top_value=0., v3=coefoz) |
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v3=coefoz) |
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| 112 |
c_mob = (c_mob - a6 * coefoz) * 48. / 29. |
c_mob = (c_mob - a6 * coefoz) * 48. / 29. |
| 113 |
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| 114 |
call regr_pr_av_coefoz(ncid, "temp_Mob", julien, press_in_edg, coefoz) |
call regr_pr_av_coefoz(ncid, "temp_Mob", julien, coefoz) |
| 115 |
c_mob = c_mob - a4_mass * coefoz |
c_mob = c_mob - a4_mass * coefoz |
| 116 |
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| 117 |
call regr_pr_av_coefoz(ncid, "R_Het", julien, press_in_edg, r_het_interm) |
call regr_pr_av_coefoz(ncid, "R_Het", julien, r_het_interm) |
| 118 |
! Heterogeneous chemistry is only at high latitudes: |
! Heterogeneous chemistry is only at high latitudes: |
| 119 |
forall (k = 1: llm) |
forall (k = 1: llm) |
| 120 |
where (abs(rlat) <= 45.) r_het_interm(:, k) = 0. |
where (abs(rlat) <= 45.) r_het_interm(:, k) = 0. |
| 121 |
end forall |
end forall |
| 122 |
r_het_interm = r_het_interm * (Clx / 3.8e-9)**2 |
r_het_interm = r_het_interm * (Clx / 3.8e-9)**2 |
| 123 |
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deallocate(plev) ! pointer |
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| 124 |
call nf95_close(ncid) |
call nf95_close(ncid) |
| 125 |
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| 126 |
end subroutine regr_pr_comb_coefoz |
end subroutine regr_pr_comb_coefoz |
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