[11395] | 1 | MODULE traisf |
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| 2 | !!============================================================================== |
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[11403] | 3 | !! *** MODULE traisf *** |
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| 4 | !! Ocean active tracers: ice shelf boundary condition |
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[11395] | 5 | !!============================================================================== |
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| 6 | !! History : 4.0 ! 2019-09 (P. Mathiot) original file |
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| 7 | !!---------------------------------------------------------------------- |
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| 8 | |
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| 9 | !!---------------------------------------------------------------------- |
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| 10 | !! tra_isf : update the tracer trend at ocean surface |
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| 11 | !!---------------------------------------------------------------------- |
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| 12 | USE oce ! ocean dynamics and active tracers |
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| 13 | USE dom_oce ! ocean space domain variables |
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| 14 | USE phycst ! physical constant |
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| 15 | USE eosbn2 ! Equation Of State |
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| 16 | USE isf ! Ice shelf variable |
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| 17 | USE isfutils ! |
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| 18 | ! |
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| 19 | USE in_out_manager ! I/O manager |
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| 20 | USE iom ! xIOS server |
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| 21 | USE timing ! Timing |
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| 22 | |
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| 23 | IMPLICIT NONE |
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| 24 | PRIVATE |
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| 25 | |
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| 26 | PUBLIC tra_isf ! routine called by step.F90 |
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| 27 | |
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| 28 | !! * Substitutions |
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| 29 | # include "vectopt_loop_substitute.h90" |
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| 30 | !!---------------------------------------------------------------------- |
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| 31 | !! NEMO/OCE 4.0 , NEMO Consortium (2018) |
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| 32 | !! $Id: trasbc.F90 10499 2019-01-10 15:12:24Z deazer $ |
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| 33 | !! Software governed by the CeCILL license (see ./LICENSE) |
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| 34 | !!---------------------------------------------------------------------- |
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| 35 | CONTAINS |
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| 36 | |
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| 37 | SUBROUTINE tra_isf ( kt ) |
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| 38 | !!---------------------------------------------------------------------- |
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[11403] | 39 | !! *** ROUTINE tra_isf *** |
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[11395] | 40 | !! |
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[11403] | 41 | !! ** Purpose : Compute the temperature trend due to the ice shelf melting (qhoce + qhc) |
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[11395] | 42 | !! |
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[11403] | 43 | !! ** Action : - update tsa for cav, par and cpl case |
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[11395] | 44 | !!---------------------------------------------------------------------- |
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| 45 | INTEGER, INTENT(in) :: kt ! ocean time-step index |
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| 46 | !!---------------------------------------------------------------------- |
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| 47 | ! |
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| 48 | IF( ln_timing ) CALL timing_start('tra_sbc') |
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| 49 | ! |
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[11403] | 50 | ! cavity case |
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[11395] | 51 | IF ( ln_isfcav_mlt ) CALL tra_isf_mlt(misfkt_cav, misfkb_cav, rhisf_tbl_cav, rfrac_tbl_cav, risf_cav_tsc, risf_cav_tsc_b, tsa) |
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[11403] | 52 | ! |
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| 53 | ! parametrisation case |
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[11395] | 54 | IF ( ln_isfpar_mlt ) CALL tra_isf_mlt(misfkt_par, misfkb_par, rhisf_tbl_par, rfrac_tbl_par, risf_par_tsc, risf_par_tsc_b, tsa) |
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| 55 | ! |
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[11403] | 56 | ! ice sheet coupling case |
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[11423] | 57 | IF ( ll_isfcpl .AND. kt == nit000 ) CALL tra_isf_cpl(risfcpl_tsc, tsa) |
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[11395] | 58 | ! |
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[11423] | 59 | ! ice sheet coupling case ( |
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| 60 | IF ( ll_isfcpl_cons ) CALL tra_isf_cpl(risfcpl_cons_tsc, tsa) |
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| 61 | ! |
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[11395] | 62 | IF( ln_timing ) CALL timing_stop('tra_isf') |
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| 63 | ! |
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| 64 | END SUBROUTINE tra_isf |
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| 65 | ! |
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| 66 | SUBROUTINE tra_isf_mlt(ktop, kbot, phtbl, pfrac, ptsc, ptsc_b, pts) |
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| 67 | !!---------------------------------------------------------------------- |
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[11403] | 68 | !! *** ROUTINE tra_isf_mlt *** |
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| 69 | !! |
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| 70 | !! *** Purpose : Compute the temperature trend due to the ice shelf melting (qhoce + qhc) for cav or par case |
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| 71 | !! |
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| 72 | !! *** Action :: Update tsa with the surface boundary condition trend |
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| 73 | !! |
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| 74 | !!---------------------------------------------------------------------- |
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[11395] | 75 | REAL(wp), DIMENSION(jpi,jpj,jpk,jpts), INTENT(inout) :: pts |
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| 76 | !!---------------------------------------------------------------------- |
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| 77 | INTEGER , DIMENSION(jpi,jpj) , INTENT(in ) :: ktop , kbot |
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| 78 | REAL(wp), DIMENSION(jpi,jpj) , INTENT(in ) :: phtbl, pfrac |
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| 79 | REAL(wp), DIMENSION(jpi,jpj,jpts), INTENT(in ) :: ptsc , ptsc_b |
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| 80 | !!---------------------------------------------------------------------- |
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[11403] | 81 | INTEGER :: ji,jj,jk ! loop index |
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| 82 | INTEGER :: ikt, ikb ! top and bottom level of the tbl |
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| 83 | REAL(wp), DIMENSION(jpi,jpj) :: ztc ! total ice shelf tracer trend |
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| 84 | !!---------------------------------------------------------------------- |
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[11395] | 85 | ! |
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| 86 | ! compute 2d total trend due to isf |
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| 87 | ztc(:,:) = 0.5_wp * ( ptsc(:,:,jp_tem) + ptsc_b(:,:,jp_tem) ) / phtbl(:,:) |
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| 88 | ! |
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| 89 | ! update tsa |
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| 90 | DO jj = 1,jpj |
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| 91 | DO ji = 1,jpi |
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| 92 | ! |
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| 93 | ikt = ktop(ji,jj) |
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| 94 | ikb = kbot(ji,jj) |
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| 95 | ! |
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| 96 | ! level fully include in the ice shelf boundary layer |
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| 97 | ! sign - because fwf sign of evapo (rnf sign of precip) |
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| 98 | DO jk = ikt, ikb - 1 |
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| 99 | pts(ji,jj,jk,jp_tem) = pts(ji,jj,jk,jp_tem) + ztc(ji,jj) |
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| 100 | END DO |
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| 101 | ! |
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| 102 | ! level partially include in ice shelf boundary layer |
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| 103 | pts(ji,jj,ikb,jp_tem) = pts(ji,jj,ikb,jp_tem) + ztc(ji,jj) * pfrac(ji,jj) |
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| 104 | ! |
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| 105 | END DO |
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| 106 | END DO |
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| 107 | ! |
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| 108 | END SUBROUTINE tra_isf_mlt |
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| 109 | ! |
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[11423] | 110 | SUBROUTINE tra_isf_cpl( ptsc, ptsa ) |
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| 111 | !!---------------------------------------------------------------------- |
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| 112 | !! *** ROUTINE tra_isf_cpl *** |
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| 113 | !! |
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| 114 | !! *** Action :: Update tsa with the ice shelf coupling trend |
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| 115 | !! |
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| 116 | !!---------------------------------------------------------------------- |
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| 117 | REAL(wp), DIMENSION(jpi,jpj,jpk,jpts), INTENT(inout) :: ptsa |
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| 118 | !!---------------------------------------------------------------------- |
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| 119 | REAL(wp), DIMENSION(jpi,jpj,jpk,jpts), INTENT(in ) :: ptsc !( >0 out ) |
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| 120 | !!---------------------------------------------------------------------- |
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| 121 | INTEGER :: jk |
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| 122 | !!---------------------------------------------------------------------- |
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| 123 | ! |
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| 124 | DO jk = 1,jpk |
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| 125 | ptsa(:,:,jk,jp_tem) = ptsa(:,:,jk,jp_tem) - ptsc(:,:,jk,jp_tem) * r1_e1e2t(:,:) / e3t_n(:,:,jk) |
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| 126 | ptsa(:,:,jk,jp_sal) = ptsa(:,:,jk,jp_sal) - ptsc(:,:,jk,jp_sal) * r1_e1e2t(:,:) / e3t_n(:,:,jk) |
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| 127 | END DO |
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| 128 | ! |
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| 129 | END SUBROUTINE tra_isf_cpl |
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[11395] | 130 | ! |
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| 131 | END MODULE traisf |
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