[10225] | 1 | MODULE seddiff |
---|
| 2 | !!====================================================================== |
---|
| 3 | !! *** MODULE seddsr *** |
---|
| 4 | !! Sediment : dissolution and reaction in pore water related |
---|
| 5 | !! related to organic matter |
---|
| 6 | !!===================================================================== |
---|
| 7 | !! * Modules used |
---|
| 8 | USE sed ! sediment global variable |
---|
| 9 | USE sed_oce |
---|
| 10 | USE sedmat ! linear system of equations |
---|
| 11 | USE sedini |
---|
| 12 | USE lib_mpp ! distribued memory computing library |
---|
| 13 | USE lib_fortran |
---|
| 14 | |
---|
| 15 | IMPLICIT NONE |
---|
| 16 | PRIVATE |
---|
| 17 | |
---|
| 18 | PUBLIC sed_diff |
---|
| 19 | |
---|
| 20 | !! * Module variables |
---|
| 21 | |
---|
| 22 | !! $Id: seddsr.F90 5215 2015-04-15 16:11:56Z nicolasmartin $ |
---|
| 23 | CONTAINS |
---|
| 24 | |
---|
| 25 | SUBROUTINE sed_diff( kt, knt ) |
---|
| 26 | !!---------------------------------------------------------------------- |
---|
| 27 | !! *** ROUTINE sed_diff *** |
---|
| 28 | !! |
---|
| 29 | !! ** Purpose : computes pore water diffusion |
---|
| 30 | !! |
---|
| 31 | !! ** Methode : implicit computation of undersaturation |
---|
| 32 | !! resulting from diffusive pore water transport. |
---|
| 33 | !! |
---|
| 34 | !! ** Remarks : |
---|
| 35 | !! - undersaturation : deviation from saturation concentration |
---|
| 36 | !! History : |
---|
| 37 | !! ! 98-08 (E. Maier-Reimer, Christoph Heinze ) Original code |
---|
| 38 | !! ! 04-10 (N. Emprin, M. Gehlen ) f90 |
---|
| 39 | !! ! 06-04 (C. Ethe) Re-organization |
---|
| 40 | !! ! 19-08 (O. Aumont) Debugging and improvement of the model |
---|
| 41 | !!---------------------------------------------------------------------- |
---|
| 42 | !! Arguments |
---|
| 43 | INTEGER, INTENT(in) :: kt, knt ! number of iteration |
---|
| 44 | ! --- local variables |
---|
| 45 | INTEGER :: ji, jk, js ! dummy looop indices |
---|
| 46 | |
---|
| 47 | REAL(wp), DIMENSION(jpoce,jpksed) :: zrearat1, zrearat2 ! reaction rate in pore water |
---|
| 48 | !! |
---|
| 49 | !!---------------------------------------------------------------------- |
---|
| 50 | |
---|
| 51 | IF( ln_timing ) CALL timing_start('sed_diff') |
---|
| 52 | ! |
---|
| 53 | IF( kt == nitsed000 .AND. knt == 1 ) THEN |
---|
| 54 | IF (lwp) THEN |
---|
| 55 | WRITE(numsed,*) ' sed_diff : pore-water diffusion ' |
---|
| 56 | WRITE(numsed,*) ' ' |
---|
| 57 | ENDIF |
---|
| 58 | ENDIF |
---|
| 59 | |
---|
| 60 | ! Initializations |
---|
| 61 | !---------------------- |
---|
| 62 | zrearat1(:,:) = 0. |
---|
| 63 | zrearat2(:,:) = 0. |
---|
| 64 | |
---|
| 65 | !--------------------------- |
---|
| 66 | ! Solves PO4 diffusion |
---|
| 67 | !---------------------------- |
---|
| 68 | |
---|
| 69 | ! solves tridiagonal system |
---|
| 70 | CALL sed_mat( jwpo4, jpoce, jpksed, zrearat1, zrearat2, pwcp(:,:,jwpo4), dtsed2 / 2.0 ) |
---|
| 71 | |
---|
| 72 | !--------------------------- |
---|
| 73 | ! Solves NH4 diffusion |
---|
| 74 | !---------------------------- |
---|
| 75 | |
---|
| 76 | ! solves tridiagonal system |
---|
| 77 | CALL sed_mat( jwnh4, jpoce, jpksed, zrearat1, zrearat2, pwcp(:,:,jwnh4), dtsed2 / 2.0 ) |
---|
| 78 | |
---|
| 79 | !--------------------------- |
---|
| 80 | ! Solves Fe2+ diffusion |
---|
| 81 | !---------------------------- |
---|
| 82 | |
---|
| 83 | ! solves tridiagonal system |
---|
| 84 | CALL sed_mat( jwfe2, jpoce, jpksed, zrearat1, zrearat2, pwcp(:,:,jwfe2), dtsed2 / 2.0 ) |
---|
| 85 | |
---|
| 86 | !--------------------------- |
---|
| 87 | ! Solves H2S diffusion |
---|
| 88 | !---------------------------- |
---|
| 89 | |
---|
| 90 | ! solves tridiagonal system |
---|
| 91 | CALL sed_mat( jwh2s, jpoce, jpksed, zrearat1, zrearat2, pwcp(:,:,jwh2s), dtsed2 / 2.0 ) |
---|
| 92 | |
---|
| 93 | !--------------------------- |
---|
| 94 | ! Solves SO4 diffusion |
---|
| 95 | !---------------------------- |
---|
| 96 | |
---|
| 97 | ! solves tridiagonal system |
---|
| 98 | CALL sed_mat( jwso4, jpoce, jpksed, zrearat1, zrearat2, pwcp(:,:,jwso4), dtsed2 / 2.0 ) |
---|
| 99 | |
---|
| 100 | !--------------------------- |
---|
| 101 | ! Solves O2 diffusion |
---|
| 102 | !---------------------------- |
---|
| 103 | |
---|
| 104 | ! solves tridiagonal system |
---|
| 105 | CALL sed_mat( jwoxy, jpoce, jpksed, zrearat1, zrearat2, pwcp(:,:,jwoxy), dtsed2 / 2.0 ) |
---|
| 106 | |
---|
| 107 | !--------------------------- |
---|
| 108 | ! Solves NO3 diffusion |
---|
| 109 | !---------------------------- |
---|
| 110 | |
---|
| 111 | ! solves tridiagonal system |
---|
| 112 | CALL sed_mat( jwno3, jpoce, jpksed, zrearat1, zrearat2, pwcp(:,:,jwno3), dtsed2 / 2.0 ) |
---|
| 113 | |
---|
| 114 | CALL sed_mat( jwdic, jpoce, jpksed, zrearat1, zrearat2, sedligand(:,:), dtsed2 / 2.0 ) |
---|
| 115 | |
---|
| 116 | IF( ln_timing ) CALL timing_stop('sed_diff') |
---|
| 117 | ! |
---|
| 118 | END SUBROUTINE sed_diff |
---|
| 119 | |
---|
| 120 | END MODULE seddiff |
---|