1 | MODULE sedstp |
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2 | !!====================================================================== |
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3 | !! *** MODULE sedstp *** |
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4 | !! Sediment model : Sediment model time-stepping |
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5 | !!====================================================================== |
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6 | USE sed ! sediment global variables |
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7 | USE seddta ! data read |
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8 | USE sedchem ! chemical constant |
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9 | USE sedco3 ! carbonate in sediment pore water |
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10 | USE sedorg ! Organic reactions and diffusion |
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11 | USE sedinorg ! Inorganic dissolution |
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12 | USE sedbtb ! bioturbation |
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13 | USE sedadv ! vertical advection |
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14 | USE sedmbc ! mass balance calculation |
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15 | USE sedsfc ! sediment surface data |
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16 | USE sedrst ! restart |
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17 | USE sedwri ! outputs |
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18 | USE trcdmp_sed |
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19 | USE lib_mpp ! distribued memory computing library |
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20 | USE iom |
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21 | |
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22 | IMPLICIT NONE |
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23 | PRIVATE |
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24 | |
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25 | !! * Routine accessibility |
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26 | PUBLIC sed_stp ! called by step.F90 |
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27 | |
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28 | !! $Id$ |
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29 | CONTAINS |
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30 | |
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31 | SUBROUTINE sed_stp ( kt, Kbb, Kmm, Krhs ) |
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32 | !!--------------------------------------------------------------------- |
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33 | !! *** ROUTINE sed_stp *** |
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34 | !! |
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35 | !! ** Purpose : Sediment time stepping |
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36 | !! Simulation of pore water chemistry |
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37 | !! |
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38 | !! ** Action : |
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39 | !! |
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40 | !! |
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41 | !! History : |
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42 | !! ! 98-08 (E. Maier-Reimer, Christoph Heinze ) Original code |
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43 | !! ! 04-10 (N. Emprin, M. Gehlen ) coupled with PISCES |
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44 | !! ! 06-04 (C. Ethe) Re-organization |
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45 | !!---------------------------------------------------------------------- |
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46 | INTEGER, INTENT(in) :: kt ! number of iteration |
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47 | INTEGER, INTENT(in) :: Kbb, Kmm, Krhs ! time level indices |
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48 | INTEGER :: ji,jk,js,jn,jw |
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49 | !!---------------------------------------------------------------------- |
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50 | IF( ln_timing ) CALL timing_start('sed_stp') |
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51 | ! |
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52 | CALL sed_rst_opn ( kt ) ! Open tracer restart file |
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53 | IF( lrst_sed ) CALL sed_rst_cal ( kt, 'WRITE' ) ! calenda |
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54 | |
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55 | IF(ln_sediment_offline) CALL trc_dmp_sed ( kt, Kbb, Kmm, Krhs ) |
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56 | |
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57 | dtsed = r2dttrc |
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58 | ! dtsed2 = dtsed |
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59 | IF (kt /= nitsed000) THEN |
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60 | CALL sed_dta( kt, Kbb, Kmm ) ! Load Data for bot. wat. Chem and fluxes |
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61 | ENDIF |
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62 | |
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63 | IF (sedmask == 1. ) THEN |
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64 | IF( kt /= nitsed000 ) THEN |
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65 | CALL sed_chem( kt ) ! update of chemical constant to account for salinity, temperature changes |
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66 | ENDIF |
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67 | |
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68 | CALL sed_btb( kt ) ! 1st pass of bioturbation at t+1/2 |
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69 | CALL sed_org( kt ) ! Organic related reactions and diffusion |
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70 | CALL sed_inorg( kt ) ! Dissolution reaction |
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71 | CALL sed_btb( kt ) ! 2nd pass of bioturbation at t+1 |
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72 | tokbot(:,:) = 0.0 |
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73 | DO jw = 1, jpwat |
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74 | DO ji = 1, jpoce |
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75 | tokbot(ji,jw) = pwcp(ji,1,jw) * 1.e-3 * dzkbot(ji) |
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76 | END DO |
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77 | ENDDO |
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78 | CALL sed_adv( kt ) ! advection |
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79 | CALL sed_co3( kt ) ! pH actualization for saving |
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80 | ! This routine is commented out since it does not work at all |
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81 | CALL sed_mbc( kt ) ! cumulation for mass balance calculation |
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82 | |
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83 | IF (ln_sed_2way) CALL sed_sfc( kt, Kbb ) ! Give back new bottom wat chem to tracer model |
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84 | ENDIF |
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85 | CALL sed_wri( kt ) ! outputs |
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86 | IF( kt == nitsed000 ) THEN |
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87 | CALL iom_close( numrsr ) ! close input tracer restart file |
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88 | ! IF(lwm) CALL FLUSH( numont ) ! flush namelist output |
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89 | ENDIF |
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90 | IF( lrst_sed ) CALL sed_rst_wri( kt ) ! restart file output |
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91 | |
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92 | IF( kt == nitsedend ) CLOSE( numsed ) |
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93 | |
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94 | IF( ln_timing ) CALL timing_stop('sed_stp') |
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95 | |
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96 | END SUBROUTINE sed_stp |
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97 | |
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98 | END MODULE sedstp |
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