1 | MODULE step_diu |
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2 | !!====================================================================== |
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3 | !! *** MODULE stp_diu *** |
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4 | !! Time-stepping of diurnal cycle models |
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5 | !!====================================================================== |
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6 | !! History : 3.7 ! 2015-11 (J. While) Original code |
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7 | |
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8 | USE diurnal_bulk ! diurnal SST bulk routines (diurnal_sst_takaya routine) |
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9 | USE cool_skin ! diurnal cool skin correction (diurnal_sst_coolskin routine) |
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10 | USE iom |
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11 | USE sbc_oce |
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12 | USE sbcmod ! surface boundary condition (sbc routine) |
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13 | USE diaobs ! Observation operator |
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14 | USE oce |
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15 | USE daymod |
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16 | USE restart ! ocean restart (rst_wri routine) |
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17 | USE timing ! Timing |
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18 | |
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19 | IMPLICIT NONE |
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20 | PRIVATE |
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21 | |
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22 | PUBLIC stp_diurnal ! called by nemogcm.F90 or step.F90 |
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23 | |
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24 | !!---------------------------------------------------------------------- |
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25 | !! NEMO/OCE 4.0 , NEMO Consortium (2018) |
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26 | !! $Id$ |
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27 | !! Software governed by the CeCILL license (see ./LICENSE) |
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28 | !!---------------------------------------------------------------------- |
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29 | |
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30 | CONTAINS |
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31 | |
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32 | SUBROUTINE stp_diurnal( kstp ) |
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33 | INTEGER, INTENT(in) :: kstp ! ocean time-step index |
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34 | !!---------------------------------------------------------------------- |
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35 | !! *** ROUTINE stp_diurnal *** |
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36 | !! |
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37 | !! ** Purpose : - Time stepping of diurnal SST model only |
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38 | !! |
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39 | !! ** Method : -1- Update forcings and data |
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40 | !! -2- Update ocean physics |
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41 | !! -3- Compute the t and s trends |
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42 | !! -4- Update t and s |
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43 | !! -5- Compute the momentum trends |
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44 | !! -6- Update the horizontal velocity |
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45 | !! -7- Compute the diagnostics variables (rd,N2, div,cur,w) |
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46 | !! -8- Outputs and diagnostics |
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47 | !!---------------------------------------------------------------------- |
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48 | INTEGER :: jk ! dummy loop indices |
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49 | INTEGER :: indic ! error indicator if < 0 |
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50 | REAL(wp), DIMENSION(jpi,jpj) :: z_fvel_bkginc, z_hflux_bkginc |
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51 | !! --------------------------------------------------------------------- |
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52 | |
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53 | IF(ln_diurnal_only) THEN |
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54 | indic = 0 ! reset to no error condition |
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55 | IF( kstp /= nit000 ) CALL day( kstp ) ! Calendar (day was already called at nit000 in day_init) |
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56 | |
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57 | CALL iom_setkt( kstp - nit000 + 1, cxios_context ) ! tell iom we are at time step kstp |
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58 | IF( ln_crs ) THEN |
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59 | CALL iom_setkt( kstp - nit000 + 1, TRIM(cxios_context)//"_crs" ) ! tell iom we are at time step kstp |
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60 | ENDIF |
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61 | |
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62 | CALL sbc ( kstp ) ! Sea Boundary Conditions |
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63 | ENDIF |
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64 | |
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65 | ! Cool skin |
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66 | IF( .NOT.ln_diurnal ) CALL ctl_stop( "stp_diurnal: ln_diurnal not set" ) |
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67 | |
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68 | IF( .NOT. ln_blk ) CALL ctl_stop( "stp_diurnal: diurnal flux processing only implemented for bulk forcing" ) |
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69 | |
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70 | CALL diurnal_sst_coolskin_step( qns, taum, rhop(:,:,1), rdt) |
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71 | |
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72 | CALL iom_put( "sst_wl" , x_dsst ) ! warm layer (write out before update below). |
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73 | CALL iom_put( "sst_cs" , x_csdsst ) ! cool skin |
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74 | |
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75 | ! Diurnal warm layer model |
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76 | CALL diurnal_sst_takaya_step( kstp, & |
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77 | & qsr, qns, taum, rhop(:,:,1), rdt) |
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78 | |
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79 | IF( ln_diurnal_only ) THEN |
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80 | IF( ln_diaobs ) CALL dia_obs( kstp ) ! obs-minus-model (assimilation) diagnostics (call after dynamics update) |
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81 | |
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82 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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83 | ! Control and restarts |
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84 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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85 | IF( kstp == nit000 ) CALL iom_close( numror ) ! close input ocean restart file |
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86 | IF( lrst_oce ) CALL rst_write ( kstp ) ! write output ocean restart file |
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87 | |
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88 | IF( ln_timing .AND. kstp == nit000 ) CALL timing_reset |
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89 | ENDIF |
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90 | |
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91 | END SUBROUTINE stp_diurnal |
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92 | |
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93 | END MODULE step_diu |
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