| 1 | MODULE floats |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE floats *** |
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| 4 | !! Ocean floats : floats |
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| 5 | !!====================================================================== |
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| 6 | !! History : OPA ! (CLIPPER) original Code |
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| 7 | !! NEMO 1.0 ! 2002-06 (A. Bozec) F90, Free form and module |
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| 8 | !!---------------------------------------------------------------------- |
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| 9 | #if defined key_floats || defined key_esopa |
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| 10 | !!---------------------------------------------------------------------- |
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| 11 | !! 'key_floats' float trajectories |
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| 12 | !!---------------------------------------------------------------------- |
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| 13 | !! flo_stp : float trajectories computation |
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| 14 | !! flo_init : initialization of float trajectories computation |
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| 15 | !!---------------------------------------------------------------------- |
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| 16 | USE flo_oce ! floats variables |
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| 17 | USE lib_mpp ! distributed memory computing |
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| 18 | USE flodom ! initialisation Module |
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| 19 | USE flowri ! float output (flo_wri routine) |
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| 20 | USE flo4rk ! Trajectories, Runge Kutta scheme (flo_4rk routine) |
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| 21 | USE floblk ! Trajectories, Blanke scheme (flo_blk routine) |
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| 22 | |
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| 23 | IMPLICIT NONE |
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| 24 | PRIVATE |
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| 25 | |
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| 26 | PUBLIC flo_stp ! routine called by step.F90 |
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| 27 | |
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| 28 | !!---------------------------------------------------------------------- |
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| 29 | !! NEMO/OPA 3.2 , LOCEAN-IPSL (2009) |
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| 30 | !! $Id: floats.F90 1601 2009-08-11 10:09:19Z ctlod $ |
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| 31 | !! Software governed by the CeCILL licence (modipsl/doc/NEMO_CeCILL.txt) |
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| 32 | !!---------------------------------------------------------------------- |
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| 33 | |
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| 34 | CONTAINS |
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| 35 | |
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| 36 | SUBROUTINE flo_stp( kt ) |
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| 37 | !!---------------------------------------------------------------------- |
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| 38 | !! *** ROUTINE flo_stp *** |
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| 39 | !! |
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| 40 | !! ** Purpose : Compute the geographical position (lat., long., depth) |
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| 41 | !! of each float at each time step with one of the algorithm. |
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| 42 | !! |
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| 43 | !! ** Method : The position of a float is computed with Bruno Blanke |
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| 44 | !! algorithm by default and with a 4th order Runge-Kutta scheme |
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| 45 | !! if ln_flork4 =T |
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| 46 | !!---------------------------------------------------------------------- |
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| 47 | INTEGER, INTENT( in ) :: kt ! ocean time step |
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| 48 | !!---------------------------------------------------------------------- |
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| 49 | ! |
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| 50 | IF( kt == nit000 ) THEN |
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| 51 | IF(lwp) WRITE(numout,*) |
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| 52 | IF(lwp) WRITE(numout,*) 'flo_stp : call floats routine ' |
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| 53 | IF(lwp) WRITE(numout,*) '~~~~~~~' |
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| 54 | |
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| 55 | CALL flo_init ! read the namelist of floats |
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| 56 | |
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| 57 | CALL flo_dom ! compute/read initial position of floats |
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| 58 | |
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| 59 | wb(:,:,:) = wn(:,:,:) ! set wb for computation of floats trajectories at the first time step |
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| 60 | ENDIF |
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| 61 | ! |
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| 62 | IF( ln_flork4 ) THEN ; CALL flo_4rk( kt ) ! Trajectories using a 4th order Runge Kutta scheme |
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| 63 | ELSE ; CALL flo_blk( kt ) ! Trajectories using Blanke' algorithme |
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| 64 | ENDIF |
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| 65 | ! |
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| 66 | IF( lk_mpp ) CALL mppsync ! synchronization of all the processor |
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| 67 | ! |
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| 68 | IF( kt == nit000 .OR. MOD( kt, nn_writefl ) == 0 ) CALL flo_wri( kt ) ! trajectories file |
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| 69 | IF( kt == nitend .OR. MOD( kt, nn_stockfl ) == 0 ) CALL flo_wri( kt ) ! restart file |
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| 70 | ! |
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| 71 | wb(:,:,:) = wn(:,:,:) ! Save the old vertical velocity field |
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| 72 | ! |
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| 73 | END SUBROUTINE flo_stp |
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| 74 | |
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| 75 | |
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| 76 | SUBROUTINE flo_init |
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| 77 | !!---------------------------------------------------------------- |
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| 78 | !! *** ROUTINE flo_init *** |
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| 79 | !! |
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| 80 | !! ** Purpose : Read the namelist of floats |
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| 81 | !!---------------------------------------------------------------------- |
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| 82 | USE ioipsl |
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| 83 | !! |
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| 84 | NAMELIST/namflo/ ln_rstflo, nn_writefl, nn_stockfl, ln_argo, ln_flork4 |
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| 85 | !!--------------------------------------------------------------------- |
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| 86 | ! |
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| 87 | REWIND( numnam ) ! Namelist namflo : floats |
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| 88 | READ ( numnam, namflo ) |
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| 89 | ! |
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| 90 | IF(lwp) THEN ! control print |
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| 91 | WRITE(numout,*) |
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| 92 | WRITE(numout,*) ' Namelist floats :' |
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| 93 | WRITE(numout,*) ' restart ln_rstflo = ', ln_rstflo |
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| 94 | WRITE(numout,*) ' frequency of float output file nn_writefl = ', nn_writefl |
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| 95 | WRITE(numout,*) ' frequency of float restart file nn_stockfl = ', nn_stockfl |
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| 96 | WRITE(numout,*) ' Argo type floats ln_argo = ', ln_argo |
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| 97 | WRITE(numout,*) ' Computation of T trajectories ln_flork4 = ', ln_flork4 |
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| 98 | ENDIF |
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| 99 | ! |
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| 100 | END SUBROUTINE flo_init |
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| 101 | |
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| 102 | # else |
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| 103 | !!---------------------------------------------------------------------- |
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| 104 | !! Default option : Empty module |
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| 105 | !!---------------------------------------------------------------------- |
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| 106 | CONTAINS |
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| 107 | SUBROUTINE flo_stp( kt ) ! Empty routine |
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| 108 | WRITE(*,*) 'flo_stp: You should not have seen this print! error?', kt |
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| 109 | END SUBROUTINE flo_stp |
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| 110 | #endif |
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| 111 | |
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| 112 | !!====================================================================== |
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| 113 | END MODULE floats |
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