[3] | 1 | MODULE iceini |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE iceini *** |
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| 4 | !! Sea-ice model : LIM Sea ice model Initialization |
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| 5 | !!====================================================================== |
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| 6 | #if defined key_ice_lim |
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| 7 | !!---------------------------------------------------------------------- |
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| 8 | !! 'key_ice_lim' : LIM sea-ice model |
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| 9 | !!---------------------------------------------------------------------- |
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| 10 | !! ice_init : sea-ice model initialization |
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| 11 | !!---------------------------------------------------------------------- |
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| 12 | USE dom_oce |
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| 13 | USE in_out_manager |
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| 14 | USE ice_oce ! ice variables |
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| 15 | USE flx_oce |
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| 16 | USE phycst ! Define parameters for the routines |
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| 17 | USE ocfzpt |
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| 18 | USE ice |
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| 19 | USE limmsh |
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| 20 | USE limistate |
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| 21 | USE limrst |
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[253] | 22 | USE ini1d ! initialization of the 1D configuration |
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[3] | 23 | |
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| 24 | IMPLICIT NONE |
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| 25 | PRIVATE |
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| 26 | |
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| 27 | !! * Routine accessibility |
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| 28 | PUBLIC ice_init ! called by opa.F90 |
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| 29 | |
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| 30 | !! * Share Module variables |
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[12] | 31 | LOGICAL , PUBLIC :: & !!! ** init namelist (namicerun) ** |
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[76] | 32 | ln_limdyn = .TRUE. !: flag for ice dynamics (T) or not (F) |
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[12] | 33 | INTEGER , PUBLIC :: & !: |
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| 34 | nstart , & !: iteration number of the begining of the run |
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| 35 | nlast , & !: iteration number of the end of the run |
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| 36 | nitrun , & !: number of iteration |
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| 37 | numit !: iteration number |
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| 38 | REAL(wp), PUBLIC :: & !: |
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[76] | 39 | hsndif = 0.e0 , & !: computation of temp. in snow (0) or not (9999) |
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| 40 | hicdif = 0.e0 , & !: computation of temp. in ice (0) or not (9999) |
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[12] | 41 | tpstot !: time of the run in seconds |
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| 42 | REAL(wp), PUBLIC, DIMENSION(2) :: & !: |
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[76] | 43 | acrit = (/ 1.e-06 , 1.e-06 /) !: minimum fraction for leads in |
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[12] | 44 | ! ! north and south hemisphere |
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[3] | 45 | !!---------------------------------------------------------------------- |
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[247] | 46 | !! LIM 2.0, UCL-LOCEAN-IPSL (2005) |
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| 47 | !! $Header$ |
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| 48 | !! This software is governed by the CeCILL licence see modipsl/doc/NEMO_CeCILL.txt |
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[3] | 49 | !!---------------------------------------------------------------------- |
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| 50 | |
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| 51 | CONTAINS |
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| 52 | |
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| 53 | SUBROUTINE ice_init |
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| 54 | !!---------------------------------------------------------------------- |
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| 55 | !! *** ROUTINE ice_init *** |
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| 56 | !! |
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| 57 | !! ** purpose : |
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| 58 | !! |
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| 59 | !! History : |
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| 60 | !! 8.5 ! 02-08 (G. Madec) F90: Free form and modules |
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| 61 | !!---------------------------------------------------------------------- |
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| 62 | |
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| 63 | ! Open the namelist file |
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| 64 | OPEN( numnam_ice, FILE= 'namelist_ice', FORM='formatted', STATUS = 'old') |
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| 65 | |
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| 66 | CALL ice_run ! read in namelist some run parameters |
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| 67 | |
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| 68 | ! Louvain la Neuve Ice model |
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| 69 | IF( nacc == 1 ) THEN |
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| 70 | dtsd2 = nfice * rdtmin * 0.5 |
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| 71 | rdt_ice = nfice * rdtmin |
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| 72 | ELSE |
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| 73 | dtsd2 = nfice * rdt * 0.5 |
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| 74 | rdt_ice = nfice * rdt |
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| 75 | ENDIF |
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| 76 | |
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| 77 | CALL lim_msh ! ice mesh initialization |
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| 78 | |
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| 79 | ! Initial sea-ice state |
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| 80 | IF( .NOT.ln_rstart ) THEN |
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| 81 | numit = 0 |
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| 82 | CALL lim_istate ! start from rest: sea-ice deduced from sst |
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| 83 | ELSE |
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| 84 | CALL lim_rst_read( numit ) ! start from a restart file |
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| 85 | ENDIF |
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| 86 | |
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| 87 | tn_ice(:,:) = sist(:,:) ! initialisation of ice temperature |
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| 88 | freeze(:,:) = 1.0 - frld(:,:) ! initialisation of sea/ice cover |
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| 89 | # if defined key_coupled |
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| 90 | alb_ice(:,:) = albege(:,:) ! sea-ice albedo |
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| 91 | # endif |
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| 92 | |
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| 93 | nstart = numit + nfice |
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| 94 | nitrun = nitend - nit000 + 1 |
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| 95 | nlast = numit + nitrun |
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| 96 | |
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| 97 | IF( nstock == 0 ) nstock = nlast + 1 |
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| 98 | |
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| 99 | END SUBROUTINE ice_init |
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| 100 | |
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| 101 | |
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| 102 | SUBROUTINE ice_run |
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| 103 | !!------------------------------------------------------------------- |
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| 104 | !! *** ROUTINE ice_run *** |
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| 105 | !! |
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| 106 | !! ** Purpose : Definition some run parameter for ice model |
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| 107 | !! |
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| 108 | !! ** Method : Read the namicerun namelist and check the parameter |
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| 109 | !! values called at the first timestep (nit000) |
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| 110 | !! |
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| 111 | !! ** input : Namelist namicerun |
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| 112 | !! |
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| 113 | !! history : |
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| 114 | !! 2.0 ! 03-08 (C. Ethe) Original code |
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| 115 | !!------------------------------------------------------------------- |
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[76] | 116 | NAMELIST/namicerun/ ln_limdyn, acrit, hsndif, hicdif |
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[3] | 117 | !!------------------------------------------------------------------- |
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| 118 | |
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| 119 | ! ! Read Namelist namicerun |
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| 120 | REWIND ( numnam_ice ) |
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| 121 | READ ( numnam_ice , namicerun ) |
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[253] | 122 | |
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| 123 | IF( lk_cfg_1d ) ln_limdyn = .FALSE. ! No ice transport in 1D configuration |
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| 124 | |
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[3] | 125 | IF(lwp) THEN |
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| 126 | WRITE(numout,*) |
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| 127 | WRITE(numout,*) 'ice_run : ice share parameters for dynamics/advection/thermo of sea-ice' |
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| 128 | WRITE(numout,*) ' ~~~~~~' |
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[76] | 129 | WRITE(numout,*) ' switch for ice dynamics (1) or not (0) ln_limdyn = ', ln_limdyn |
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| 130 | WRITE(numout,*) ' minimum fraction for leads in the NH (SH) acrit(1/2) = ', acrit(:) |
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[3] | 131 | WRITE(numout,*) ' computation of temp. in snow (=0) or not (=9999) hsndif = ', hsndif |
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| 132 | WRITE(numout,*) ' computation of temp. in ice (=0) or not (=9999) hicdif = ', hicdif |
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| 133 | ENDIF |
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| 134 | |
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| 135 | END SUBROUTINE ice_run |
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| 136 | |
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| 137 | #else |
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| 138 | !!---------------------------------------------------------------------- |
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| 139 | !! Default option : Empty module NO LIM sea-ice model |
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| 140 | !!---------------------------------------------------------------------- |
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| 141 | CONTAINS |
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| 142 | SUBROUTINE ice_init ! Empty routine |
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| 143 | END SUBROUTINE ice_init |
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| 144 | #endif |
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| 145 | |
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| 146 | !!====================================================================== |
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| 147 | END MODULE iceini |
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