| 1 | MODULE isfhdiv |
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| 2 | |
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| 3 | USE oce |
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| 4 | USE dom_oce |
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| 5 | USE isf |
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| 6 | USE isfutils |
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| 7 | USE phycst |
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| 8 | |
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| 9 | IMPLICIT NONE |
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| 10 | |
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| 11 | PRIVATE |
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| 12 | |
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| 13 | PUBLIC isf_hdiv |
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| 14 | |
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| 15 | CONTAINS |
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| 16 | |
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| 17 | SUBROUTINE isf_hdiv( phdiv ) |
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| 18 | !!---------------------------------------------------------------------- |
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| 19 | !! *** SUBROUTINE isf_hdiv *** |
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| 20 | !! |
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| 21 | !! ** Purpose : |
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| 22 | !! |
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| 23 | !! ** Method : |
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| 24 | !! |
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| 25 | !! ** Action : phdiv decreased by the fwf inflow (isf melt in this case) |
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| 26 | !!---------------------------------------------------------------------- |
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| 27 | REAL(wp), DIMENSION(:,:,:), INTENT( inout ) :: phdiv ! horizontal divergence |
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| 28 | !!---------------------------------------------------------------------- |
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| 29 | ! |
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| 30 | ! ice shelf cavity contribution |
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| 31 | 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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| 32 | ! |
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| 33 | ! ice shelf parametrisation contribution |
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| 34 | 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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| 35 | ! |
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| 36 | ! ice sheet coupling contribution (if conservation needed) |
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| 37 | !IF ( ln_iscpl_hsb ) CALL isf_hdiv_cpl(hdiv_iscpl, phdivn) |
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| 38 | ! |
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| 39 | END SUBROUTINE isf_hdiv |
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| 40 | |
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| 41 | SUBROUTINE isf_hdiv_mlt(ktop, kbot, phtbl, pfrac, pfwf, pfwf_b, phdiv) |
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| 42 | !!---------------------------------------------------------------------- |
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| 43 | !! *** SUBROUTINE sbc_isf_div *** |
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| 44 | !! |
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| 45 | !! ** Purpose : update the horizontal divergence with the runoff inflow |
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| 46 | !! |
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| 47 | !! ** Method : |
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| 48 | !! CAUTION : risf_tsc(:,:,jp_sal) is negative (outflow) increase the |
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| 49 | !! divergence and expressed in m/s |
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| 50 | !! |
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| 51 | !! ** Action : phdivn decreased by the runoff inflow |
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| 52 | !!---------------------------------------------------------------------- |
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| 53 | REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT(inout) :: phdiv |
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| 54 | !!---------------------------------------------------------------------- |
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| 55 | INTEGER , DIMENSION(jpi,jpj), INTENT(in ) :: ktop , kbot |
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| 56 | REAL(wp), DIMENSION(jpi,jpj), INTENT(in ) :: pfrac, phtbl |
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| 57 | REAL(wp), DIMENSION(jpi,jpj), INTENT(in ) :: pfwf , pfwf_b |
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| 58 | !!---------------------------------------------------------------------- |
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| 59 | INTEGER :: ji, jj, jk ! dummy loop indices |
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| 60 | INTEGER :: ikt, ikb |
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| 61 | REAL(wp), DIMENSION(jpi,jpj) :: zqvol |
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| 62 | !!---------------------------------------------------------------------- |
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| 63 | ! |
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| 64 | !== fwf distributed over several levels ==! |
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| 65 | ! |
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| 66 | ! compute integrated divergence correction |
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| 67 | zqvol(:,:) = 0.5_wp * ( pfwf(:,:) + pfwf_b(:,:) ) * r1_rau0 / phtbl(:,:) |
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| 68 | ! |
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| 69 | ! update divergence at each level affected by ice shelf top boundary layer |
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| 70 | DO jj = 1,jpj |
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| 71 | DO ji = 1,jpi |
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| 72 | ikt = ktop(ji,jj) |
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| 73 | ikb = kbot(ji,jj) |
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| 74 | ! level fully include in the ice shelf boundary layer |
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| 75 | DO jk = ikt, ikb - 1 |
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| 76 | phdiv(ji,jj,jk) = phdiv(ji,jj,jk) + zqvol(ji,jj) |
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| 77 | END DO |
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| 78 | ! level partially include in ice shelf boundary layer |
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| 79 | phdiv(ji,jj,ikb) = phdiv(ji,jj,ikb) + zqvol(ji,jj) * pfrac(ji,jj) |
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| 80 | END DO |
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| 81 | END DO |
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| 82 | ! |
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| 83 | END SUBROUTINE isf_hdiv_mlt |
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| 84 | |
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| 85 | END MODULE isfhdiv |
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