| 1 | MODULE surf_temp |
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| 2 | |
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| 3 | implicit none |
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| 4 | |
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| 5 | !======================================================================= |
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| 6 | contains |
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| 7 | !======================================================================= |
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| 8 | |
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| 9 | SUBROUTINE update_tsurf_nearest_baresoil(ngrid,nslope,im,jm,tsurf_avg,co2_ice,is_co2ice_ini,co2ice_disappeared) |
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| 10 | |
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| 11 | implicit none |
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| 12 | |
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| 13 | ! Inputs: |
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| 14 | integer, intent(in) :: im, jm, nslope, ngrid |
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| 15 | real, dimension(ngrid,nslope), intent(in) :: co2_ice |
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| 16 | logical, dimension(ngrid,nslope), intent(in) :: is_co2ice_ini |
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| 17 | ! Outputs: |
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| 18 | real, dimension(ngrid,nslope), intent(inout) :: tsurf_avg |
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| 19 | logical, dimension(ngrid,nslope), intent(inout) :: co2ice_disappeared |
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| 20 | ! Local variables: |
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| 21 | real, parameter :: eps = 1.e-10 |
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| 22 | integer :: islope, i, j, k, radius, rmax, di, dj, ii, jj |
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| 23 | logical :: found |
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| 24 | real, dimension(im,jm,nslope) :: tsurf_ll, co2ice_ll, mask_co2ice_ini, co2ice_disappeared_ll |
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| 25 | real, dimension(ngrid) :: tmp |
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| 26 | |
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| 27 | ! Convert from reduced grid to lon-lat grid |
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| 28 | #ifndef CPP_1D |
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| 29 | do islope = 1,nslope |
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| 30 | call gr_fi_dyn(1,ngrid,im,jm,tsurf_avg(:,islope),tsurf_ll(:,:,islope)) |
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| 31 | call gr_fi_dyn(1,ngrid,im,jm,co2_ice(:,islope),co2ice_ll(:,:,islope)) |
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| 32 | call gr_fi_dyn(1,ngrid,im,jm,merge(1.,0.,is_co2ice_ini(:,islope)),mask_co2ice_ini(:,:,islope)) |
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| 33 | call gr_fi_dyn(1,ngrid,im,jm,merge(1.,0.,co2ice_disappeared(:,islope)),co2ice_disappeared_ll(:,:,islope)) |
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| 34 | enddo |
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| 35 | #else |
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| 36 | tsurf_ll(1,1,:) = tsurf_avg(1,:) |
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| 37 | co2ice_ll(1,1,:) = co2_ice(1,:) |
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| 38 | mask_co2ice_ini(1,1,:) = merge(1.,0.,is_co2ice_ini(1,:)) |
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| 39 | co2ice_disappeared_ll(1,1,:) = merge(1.,0.,co2ice_disappeared(1,:)) |
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| 40 | #endif |
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| 41 | |
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| 42 | ! For each point where ice disappeared |
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| 43 | rmax = max(im,jm) |
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| 44 | do j = 1,jm |
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| 45 | do i = 1,im |
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| 46 | do islope = 1,nslope |
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| 47 | if (mask_co2ice_ini(i,j,islope) > 0.5 .and. co2ice_ll(i,j,islope) < eps .and. co2ice_disappeared_ll(i,j,islope) < 0.5) then |
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| 48 | found = .false. |
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| 49 | co2ice_disappeared_ll(i,j,islope) = 1. |
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| 50 | do k = 1,nslope |
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| 51 | if (k /= islope .and. mask_co2ice_ini(i,j,k) < 0.5) then |
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| 52 | tsurf_ll(i,j,islope) = tsurf_ll(i,j,k) |
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| 53 | found = .true. |
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| 54 | exit |
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| 55 | endif |
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| 56 | enddo |
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| 57 | |
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| 58 | radius = 1 |
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| 59 | do while (.not. found .and. radius <= rmax) ! only if no adjacent slopes holds bare soil |
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| 60 | do dj = -radius,radius |
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| 61 | do di = -radius,radius |
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| 62 | if (abs(di) + abs(dj) == radius) then |
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| 63 | ii = i + di |
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| 64 | jj = j + dj |
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| 65 | if (ii >= 1 .and. ii <= im .and. jj >= 1 .and. jj <= jm) then |
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| 66 | do k = 1,nslope |
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| 67 | if (mask_co2ice_ini(ii,jj,k) < 0.5) then |
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| 68 | tsurf_ll(i,j,islope) = tsurf_ll(i,j,k) |
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| 69 | found = .true. |
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| 70 | exit |
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| 71 | endif |
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| 72 | enddo |
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| 73 | endif |
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| 74 | endif |
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| 75 | if (found) exit |
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| 76 | enddo |
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| 77 | if (found) exit |
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| 78 | enddo |
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| 79 | radius = radius + 1 |
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| 80 | enddo |
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| 81 | endif |
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| 82 | |
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| 83 | enddo |
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| 84 | enddo |
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| 85 | enddo |
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| 86 | |
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| 87 | ! Convert back from lon-lat grid to reduced grid |
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| 88 | #ifndef CPP_1D |
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| 89 | do islope = 1,nslope |
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| 90 | call gr_dyn_fi(1,im,jm,ngrid,tsurf_ll(:,:,islope),tsurf_avg(:,islope)) |
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| 91 | call gr_dyn_fi(1,im,jm,ngrid,co2ice_disappeared_ll(:,:,islope),tmp) |
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| 92 | where (tmp > 0.5) co2ice_disappeared(:,islope) = .true. |
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| 93 | enddo |
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| 94 | #else |
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| 95 | tsurf_avg(1,:) = tsurf_ll(1,1,:) |
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| 96 | where(co2ice_disappeared_ll(1,1,:) > 0.5) co2ice_disappeared(1,:) = .true. |
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| 97 | #endif |
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| 98 | |
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| 99 | END SUBROUTINE update_tsurf_nearest_baresoil |
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| 100 | |
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| 101 | END MODULE surf_temp |
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