1 | MODULE iceini_2 |
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2 | !!====================================================================== |
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3 | !! *** MODULE iceini *** |
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4 | !! Sea-ice model : LIM 2.0 Sea ice model Initialization |
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5 | !!====================================================================== |
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6 | !! History : 1.0 ! 2002-08 (G. Madec) F90: Free form and modules |
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7 | !! 2.0 ! 2003-08 (C. Ethe) add ice_run |
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8 | !! 3.3 ! 2009-05 (G. Garric, C. Bricaud) addition of the lim2_evp case |
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9 | !! 4.0 ! 2011-02 (G. Madec) dynamical allocation |
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10 | !!---------------------------------------------------------------------- |
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11 | #if defined key_lim2 |
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12 | !!---------------------------------------------------------------------- |
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13 | !! 'key_lim2' : LIM 2.0 sea-ice model |
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14 | !!---------------------------------------------------------------------- |
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15 | !! ice_init_2 : sea-ice model initialization |
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16 | !! ice_run_2 : Definition some run parameter for ice model |
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17 | !!---------------------------------------------------------------------- |
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18 | USE phycst ! physical constants |
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19 | USE dom_oce ! ocean domain |
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20 | USE sbc_oce ! surface boundary condition: ocean |
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21 | USE sbc_ice ! LIM2 surface boundary condition |
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22 | USE dom_ice_2 ! LIM2 ice domain |
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23 | USE par_ice_2 ! LIM2 parameters |
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24 | USE thd_ice_2 ! LIM2 thermodynamical variables |
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25 | USE ice_2 ! LIM2 ice variable |
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26 | USE limmsh_2 ! LIM2 mesh |
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27 | USE limistate_2 ! LIM2 initial state |
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28 | USE limrst_2 ! LIM2 restart |
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29 | USE limsbc_2 ! LIM2 surface boundary condition |
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30 | USE in_out_manager ! I/O manager |
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31 | USE lib_mpp ! MPP library |
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32 | USE lib_fortran ! Fortran utilities (allows no signed zero when 'key_nosignedzero' defined) |
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33 | |
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34 | IMPLICIT NONE |
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35 | PRIVATE |
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36 | |
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37 | PUBLIC ice_init_2 ! called by sbcice_lim_2.F90 |
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38 | |
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39 | !!---------------------------------------------------------------------- |
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40 | !! NEMO/LIM2 4.0 , UCL - NEMO Consortium (2011) |
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41 | !! $Id$ |
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42 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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43 | !!---------------------------------------------------------------------- |
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44 | CONTAINS |
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45 | |
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46 | SUBROUTINE ice_init_2 |
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47 | !!---------------------------------------------------------------------- |
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48 | !! *** ROUTINE ice_init_2 *** |
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49 | !! |
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50 | !! ** purpose : initialisation of LIM-2 domain and variables |
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51 | !!---------------------------------------------------------------------- |
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52 | INTEGER :: ierr |
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53 | !!---------------------------------------------------------------------- |
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54 | ! |
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55 | IF(lwp) THEN |
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56 | WRITE(numout,*) |
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57 | WRITE(numout,*) 'ice_init_2 : LIM-2 sea-ice - initialization' |
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58 | WRITE(numout,*) '~~~~~~~~~~~ ' |
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59 | ENDIF |
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60 | ! ! Allocate the ice arrays |
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61 | ierr = ice_alloc_2 () ! ice variables |
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62 | ierr = ierr + dom_ice_alloc_2() ! domain |
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63 | ierr = ierr + sbc_ice_alloc () ! surface forcing |
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64 | ierr = ierr + thd_ice_alloc_2() ! thermodynamics |
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65 | |
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66 | IF( lk_mpp ) CALL mpp_sum( ierr ) |
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67 | IF( ierr /= 0 ) CALL ctl_stop( 'STOP', 'ice_init_2 : unable to allocate ice arrays' ) |
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68 | |
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69 | ! ! adequation jpk versus ice/snow layers |
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70 | IF( jpl > jpk .OR. jplayersp1 > jpk ) CALL ctl_stop( 'STOP', & |
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71 | & 'ice_init: the 3rd dimension of workspace arrays is too small.', & |
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72 | & 'use more ocean levels or less ice layers/categories.' ) |
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73 | |
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74 | ! ! Open the namelist file |
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75 | CALL ctl_opn( numnam_ice, 'namelist_ice', 'OLD', 'FORMATTED', 'SEQUENTIAL', -1, numout, lwp ) |
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76 | ! |
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77 | CALL ice_run_2 ! read in namelist some run parameters |
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78 | ! |
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79 | rdt_ice = nn_fsbc * rdttra(1) ! sea-ice time step |
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80 | numit = nit000 - 1 |
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81 | ! |
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82 | CALL lim_msh_2 ! ice mesh initialization |
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83 | ! |
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84 | ! ! Initial sea-ice state |
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85 | IF( .NOT.ln_rstart ) THEN ; CALL lim_istate_2 ! start from rest: sea-ice deduced from sst |
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86 | ELSE ; CALL lim_rst_read_2 ! start from a restart file |
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87 | ENDIF |
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88 | ! |
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89 | tn_ice(:,:,1) = sist(:,:) ! ice temperature known by the ocean |
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90 | fr_i (:,:) = 1.0 - frld(:,:) ! sea-ice fraction known by the ocean |
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91 | ! |
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92 | CALL lim_sbc_init_2 ! ice surface boundary condition |
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93 | ! |
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94 | IF( lk_lim2_vp ) THEN ; IF(lwp) WRITE(numout,*) ' VP rheology - B-grid case' |
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95 | ELSE ; IF(lwp) WRITE(numout,*) ' EVP rheology - C-grid case' |
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96 | ENDIF |
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97 | ! |
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98 | END SUBROUTINE ice_init_2 |
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99 | |
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100 | |
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101 | SUBROUTINE ice_run_2 |
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102 | !!------------------------------------------------------------------- |
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103 | !! *** ROUTINE ice_run_2 *** |
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104 | !! |
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105 | !! ** Purpose : Definition some run parameter for ice model |
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106 | !! |
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107 | !! ** Method : Read the namicerun namelist and check the parameter |
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108 | !! values called at the first timestep (nit000) |
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109 | !! |
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110 | !! ** input : Namelist namicerun |
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111 | !!------------------------------------------------------------------- |
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112 | NAMELIST/namicerun/ cn_icerst_in, cn_icerst_out, ln_limdyn, ln_limdmp, acrit, hsndif, hicdif |
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113 | !!------------------------------------------------------------------- |
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114 | ! |
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115 | REWIND( numnam_ice ) ! Read Namelist namicerun |
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116 | READ ( numnam_ice , namicerun ) |
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117 | ! |
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118 | IF(lwp) THEN ! control print |
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119 | WRITE(numout,*) |
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120 | WRITE(numout,*) 'ice_run : ice share parameters for dynamics/advection/thermo of sea-ice' |
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121 | WRITE(numout,*) ' ~~~~~~' |
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122 | WRITE(numout,*) ' switch for ice dynamics (1) or not (0) ln_limdyn = ', ln_limdyn |
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123 | WRITE(numout,*) ' Ice damping ln_limdmp = ', ln_limdmp |
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124 | WRITE(numout,*) ' minimum fraction for leads in the NH (SH) acrit(1/2) = ', acrit(:) |
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125 | WRITE(numout,*) ' computation of temp. in snow (=0) or not (=9999) hsndif = ', hsndif |
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126 | WRITE(numout,*) ' computation of temp. in ice (=0) or not (=9999) hicdif = ', hicdif |
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127 | ENDIF |
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128 | ! |
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129 | END SUBROUTINE ice_run_2 |
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130 | |
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131 | #else |
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132 | !!---------------------------------------------------------------------- |
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133 | !! Default option : Empty module NO LIM 2.0 sea-ice model |
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134 | !!---------------------------------------------------------------------- |
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135 | CONTAINS |
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136 | SUBROUTINE ice_init_2 ! Empty routine |
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137 | END SUBROUTINE ice_init_2 |
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138 | #endif |
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139 | |
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140 | !!====================================================================== |
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141 | END MODULE iceini_2 |
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