MODULE floats !!====================================================================== !! *** MODULE floats *** !! Ocean floats : floats !!====================================================================== !! History : OPA ! (CLIPPER) original Code !! NEMO 1.0 ! 2002-06 (A. Bozec) F90, Free form and module !!---------------------------------------------------------------------- !! !!---------------------------------------------------------------------- !! flo_stp : float trajectories computation !! flo_init : initialization of float trajectories computation !!---------------------------------------------------------------------- USE oce ! ocean variables USE flo_oce ! floats variables USE lib_mpp ! distributed memory computing USE flodom ! initialisation Module USE flowri ! float output (flo_wri routine) USE florst ! float restart (flo_rst routine) USE flo4rk ! Trajectories, Runge Kutta scheme (flo_4rk routine) USE floblk ! Trajectories, Blanke scheme (flo_blk routine) ! USE in_out_manager ! I/O manager USE timing ! preformance summary IMPLICIT NONE PRIVATE PUBLIC flo_stp ! routine called by step.F90 PUBLIC flo_init ! routine called by nemogcm.F90 !!---------------------------------------------------------------------- !! NEMO/OCE 4.0 , NEMO Consortium (2018) !! $Id$ !! Software governed by the CeCILL license (see ./LICENSE) !!---------------------------------------------------------------------- CONTAINS SUBROUTINE flo_stp( kt ) !!---------------------------------------------------------------------- !! *** ROUTINE flo_stp *** !! !! ** Purpose : Compute the geographical position (lat., long., depth) !! of each float at each time step with one of the algorithm. !! !! ** Method : The position of a float is computed with Bruno Blanke !! algorithm by default and with a 4th order Runge-Kutta scheme !! if ln_flork4 =T !!---------------------------------------------------------------------- INTEGER, INTENT( in ) :: kt ! ocean time step !!---------------------------------------------------------------------- ! IF( ln_timing ) CALL timing_start('flo_stp') ! IF( ln_flork4 ) THEN ; CALL flo_4rk( kt ) ! Trajectories using a 4th order Runge Kutta scheme ELSE ; CALL flo_blk( kt ) ! Trajectories using Blanke' algorithme ENDIF ! IF( lk_mpp ) CALL mppsync ! synchronization of all the processor ! CALL flo_wri( kt ) ! trajectories ouput ! CALL flo_rst( kt ) ! trajectories restart ! wb(:,:,:) = wn(:,:,:) ! Save the old vertical velocity field ! IF( ln_timing ) CALL timing_stop('flo_stp') ! END SUBROUTINE flo_stp SUBROUTINE flo_init !!---------------------------------------------------------------- !! *** ROUTINE flo_init *** !! !! ** Purpose : Read the namelist of floats !!---------------------------------------------------------------------- INTEGER :: jfl INTEGER :: ios ! Local integer output status for namelist read ! NAMELIST/namflo/ ln_floats, jpnfl, jpnnewflo, ln_rstflo, nn_writefl, nn_stockfl, ln_argo, ln_flork4, ln_ariane, ln_flo_ascii !!--------------------------------------------------------------------- ! IF(lwp) WRITE(numout,*) IF(lwp) WRITE(numout,*) 'flo_stp : call floats routine ' IF(lwp) WRITE(numout,*) '~~~~~~~' REWIND( numnam_ref ) ! Namelist namflo in reference namelist : Floats READ ( numnam_ref, namflo, IOSTAT = ios, ERR = 901) 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namflo in reference namelist' ) REWIND( numnam_cfg ) ! Namelist namflo in configuration namelist : Floats READ ( numnam_cfg, namflo, IOSTAT = ios, ERR = 902 ) 902 IF( ios > 0 ) CALL ctl_nam ( ios , 'namflo in configuration namelist' ) IF(lwm) WRITE ( numond, namflo ) ! IF(lwp) THEN ! control print WRITE(numout,*) WRITE(numout,*) ' Namelist floats :' WRITE(numout,*) ' Activate floats or not ln_floats = ', ln_floats WRITE(numout,*) ' number of floats jpnfl = ', jpnfl WRITE(numout,*) ' number of new floats jpnflnewflo = ', jpnnewflo WRITE(numout,*) ' restart ln_rstflo = ', ln_rstflo WRITE(numout,*) ' frequency of float output file nn_writefl = ', nn_writefl WRITE(numout,*) ' frequency of float restart file nn_stockfl = ', nn_stockfl WRITE(numout,*) ' Argo type floats ln_argo = ', ln_argo WRITE(numout,*) ' Computation of T trajectories ln_flork4 = ', ln_flork4 WRITE(numout,*) ' Use of ariane convention ln_ariane = ', ln_ariane WRITE(numout,*) ' ascii output (T) or netcdf output (F) ln_flo_ascii = ', ln_flo_ascii ENDIF ! IF( ln_floats ) THEN ! ! allocate floats arrays IF( flo_oce_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'flo_init : unable to allocate arrays' ) ! ! ! allocate flodom arrays IF( flo_dom_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'flo_dom : unable to allocate arrays' ) ! ! ! allocate flowri arrays IF( flo_wri_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'flo_wri : unable to allocate arrays' ) ! ! ! allocate florst arrays IF( flo_rst_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'flo_rst : unable to allocate arrays' ) ! jpnrstflo = jpnfl-jpnnewflo ! memory allocation ! DO jfl = 1, jpnfl ! vertical axe for netcdf IOM ouput nfloat(jfl) = jfl END DO ! CALL flo_dom ! compute/read initial position of floats ! wb(:,:,:) = wn(:,:,:) ! set wb for computation of floats trajectories at the first time step ! ENDIF ! END SUBROUTINE flo_init !!====================================================================== END MODULE floats