1 | MODULE isfhdiv |
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2 | |
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3 | USE dom_oce |
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4 | USE isf |
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5 | USE phycst |
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6 | |
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7 | IMPLICIT NONE |
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8 | |
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9 | PRIVATE |
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10 | |
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11 | PUBLIC isf_hdiv |
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12 | |
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13 | CONTAINS |
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14 | |
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15 | SUBROUTINE isf_hdiv( phdiv ) |
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16 | !!---------------------------------------------------------------------- |
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17 | !! *** SUBROUTINE isf_hdiv *** |
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18 | !! |
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19 | !! ** Purpose : |
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20 | !! |
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21 | !! ** Method : |
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22 | !! |
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23 | !! ** Action : phdiv decreased by the fwf inflow (isf melt in this case) |
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24 | !!---------------------------------------------------------------------- |
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25 | REAL(wp), DIMENSION(:,:,:), INTENT( inout ) :: phdiv ! horizontal divergence |
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26 | !!---------------------------------------------------------------------- |
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27 | ! |
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28 | ! ice shelf cavity contribution |
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29 | IF ( ln_isfcav_mlt ) CALL isf_hdiv_mlt(misfkt_cav, misfkb_cav, rhisf_tbl_cav, rfrac_tbl_cav, fwfisf_cav, fwfisf_cav_b, phdiv) |
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30 | ! |
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31 | ! ice shelf parametrisation contribution |
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32 | IF ( ln_isfpar_mlt ) CALL isf_hdiv_mlt(misfkt_par, misfkb_par, rhisf_tbl_par, rfrac_tbl_par, fwfisf_par, fwfisf_par_b, phdiv) |
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33 | ! |
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34 | ! ice sheet coupling contribution (if conservation needed) |
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35 | !IF ( ln_iscpl_hsb ) CALL isf_hdiv_cpl(hdiv_iscpl, phdivn) |
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36 | ! |
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37 | END SUBROUTINE isf_hdiv |
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38 | |
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39 | SUBROUTINE isf_hdiv_mlt(ktop, kbot, phtbl, pfrac, pfwf, pfwf_b, phdiv) |
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40 | !!---------------------------------------------------------------------- |
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41 | !! *** SUBROUTINE sbc_isf_div *** |
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42 | !! |
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43 | !! ** Purpose : update the horizontal divergence with the runoff inflow |
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44 | !! |
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45 | !! ** Method : |
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46 | !! CAUTION : risf_tsc(:,:,jp_sal) is negative (outflow) increase the |
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47 | !! divergence and expressed in m/s |
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48 | !! |
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49 | !! ** Action : phdivn decreased by the runoff inflow |
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50 | !!---------------------------------------------------------------------- |
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51 | REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT(inout) :: phdiv |
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52 | !!---------------------------------------------------------------------- |
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53 | INTEGER , DIMENSION(jpi,jpj), INTENT(in ) :: ktop , kbot |
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54 | REAL(wp), DIMENSION(jpi,jpj), INTENT(in ) :: pfrac, phtbl |
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55 | REAL(wp), DIMENSION(jpi,jpj), INTENT(in ) :: pfwf , pfwf_b |
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56 | !!---------------------------------------------------------------------- |
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57 | INTEGER :: ji, jj, jk ! dummy loop indices |
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58 | INTEGER :: ikt, ikb |
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59 | REAL(wp), DIMENSION(jpi,jpj) :: zqvol,ztmp |
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60 | !!---------------------------------------------------------------------- |
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61 | ! |
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62 | !== fwf distributed over several levels ==! |
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63 | ! |
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64 | ! compute integrated divergence correction |
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65 | zqvol(:,:) = 0.5_wp * ( pfwf(:,:) + pfwf_b(:,:) ) * r1_rau0 / phtbl(:,:) |
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66 | ! |
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67 | ! update divergence at each level affected by ice shelf top boundary layer |
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68 | DO jj = 1,jpj |
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69 | DO ji = 1,jpi |
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70 | ikt = ktop(ji,jj) |
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71 | ikb = kbot(ji,jj) |
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72 | ! level fully include in the ice shelf boundary layer |
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73 | DO jk = ikt, ikb - 1 |
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74 | phdiv(ji,jj,jk) = phdiv(ji,jj,jk) + zqvol(ji,jj) |
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75 | END DO |
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76 | ! level partially include in ice shelf boundary layer |
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77 | phdiv(ji,jj,ikb) = phdiv(ji,jj,ikb) + zqvol(ji,jj) * pfrac(ji,jj) |
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78 | END DO |
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79 | END DO |
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80 | ! |
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81 | END SUBROUTINE isf_hdiv_mlt |
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82 | |
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83 | END MODULE isfhdiv |
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