MODULE limdia !!====================================================================== !! *** MODULE limdia *** !! diagnostics of ice model !!====================================================================== #if defined key_ice_lim !!---------------------------------------------------------------------- !! 'key_ice_lim' : LIM sea-ice model !!---------------------------------------------------------------------- !! lim_dia : computation of the time evolution of keys var. !! lim_dia_init : initialization and namelist read !!---------------------------------------------------------------------- !! * Modules used USE phycst ! USE par_ice ! ice parameters USE ice_oce ! ice variables USE daymod ! USE dom_ice ! USE ice ! USE iceini ! USE limistate ! USE in_out_manager ! I/O manager IMPLICIT NONE PRIVATE !! * Routine accessibility PUBLIC lim_dia ! called by ice_step !! * Shared module variables INTEGER, PUBLIC :: & !: ntmoy = 1 , & !: instantaneous values of ice evolution or averaging ntmoy ninfo = 1 !: frequency of ouputs on file ice_evolu in case of averaging !! * Module variables INTEGER, PARAMETER :: & ! Parameters for outputs to files "evolu" jpinfmx = 100 , & ! maximum number of key variables jpchinf = 5 , & ! ??? jpchsep = jpchinf + 2 ! ??? INTEGER :: & nfrinf = 4 , & ! number of variables written in one line nferme , & ! last time step at which the var. are written on file nvinfo , & ! number of total variables nbvt , & ! number of time variables naveg ! number of step for accumulation before averaging CHARACTER(len=8) :: & fmtinf = '1PE13.5 ' ! format of the output values CHARACTER(len=30) :: & fmtw , & ! formats fmtr , & ! ??? fmtitr ! ??? CHARACTER(len=jpchsep), DIMENSION(jpinfmx) :: & titvar ! title of key variables REAL(wp) :: & epsi06 = 1.e-06 ! ??? REAL(wp), DIMENSION(jpinfmx) :: & vinfom ! temporary working space REAL(wp), DIMENSION(jpi,jpj) :: & aire ! masked grid cell area !! * Substitutions # include "vectopt_loop_substitute.h90" !!---------------------------------------------------------------------- !! LIM 2.0 , UCL-LODYC-IPSL (2003) !!---------------------------------------------------------------------- CONTAINS SUBROUTINE lim_dia !!-------------------------------------------------------------------- !! *** ROUTINE lim_dia *** !! !! ** Purpose : Computation and outputs on file ice.evolu !! the temporal evolution of some key variables !! !! History : !! 8.0 ! 97-06 (Louvain-La-Neuve) Original code !! 8.5 ! 02-09 (C. Ethe , G. Madec ) F90: Free form and module !!------------------------------------------------------------------- !! * Local variables INTEGER :: jv,ji, jj ! dummy loop indices INTEGER :: nv ! indice of variable REAL(wp), DIMENSION(jpinfmx) :: & vinfor ! temporary working space REAL(wp) :: & zarea , & ! sea ice area zldarea , & ! leads area zextent15, & ! sea ice extent (15%) zextent85, & ! sea ice extent (85%) zicevol , & ! sea ice volume zsnwvol , & ! snow volume over sea ice zicespd ! sea ice velocity !!------------------------------------------------------------------- IF( numit == nstart ) CALL lim_dia_init ! initialisation of ice_evolu file ! computation of key variables at each time step nv = 1 vinfor(nv) = REAL( numit ) nv = nv + 1 vinfor(nv) = nyear DO jv = nbvt + 1, nvinfo vinfor(jv) = 0.e0 END DO zextent15 = 0.e0 zextent85 = 0.e0 ! variables in northern Hemis DO jj = njeq, jpjm1 DO ji = fs_2, fs_jpim1 ! vector opt. IF( tms(ji,jj) == 1 ) THEN zarea = ( 1.0 - frld(ji,jj) ) * aire(ji,jj) IF (frld(ji,jj) <= 0.15 ) zextent15 = aire(ji,jj) IF (frld(ji,jj) <= 0.85 ) zextent85 = aire(ji,jj) zldarea = zarea / MAX( ( 1 - frld(ji,jj) ) , epsi06 ) zicevol = zarea * hicif(ji,jj) zsnwvol = zarea * hsnif(ji,jj) zicespd = zicevol * ( u_ice(ji,jj) * u_ice(ji,jj) & & + v_ice(ji,jj) * v_ice(ji,jj) ) vinfor(nv+ 1) = vinfor(nv+ 1) + zarea vinfor(nv+ 3) = vinfor(nv+ 3) + zextent15 vinfor(nv+ 5) = vinfor(nv+ 5) + zextent85 vinfor(nv+ 7) = vinfor(nv+ 7) + zldarea vinfor(nv+ 9) = vinfor(nv+ 9) + zicevol vinfor(nv+11) = vinfor(nv+11) + zsnwvol vinfor(nv+13) = vinfor(nv+13) + zicespd ENDIF END DO END DO vinfor(nv+13) = SQRT( vinfor(nv+13) / MAX( vinfor(nv+9) , epsi06 ) ) ! variables in southern Hemis nv = nv + 1 DO jj = 2, njeqm1 DO ji = fs_2, fs_jpim1 ! vector opt. IF( tms(ji,jj) == 1 ) THEN zarea = ( 1.0 - frld(ji,jj) ) * aire(ji,jj) IF (frld(ji,jj) <= 0.15 ) zextent15 = aire(ji,jj) IF (frld(ji,jj) <= 0.85 ) zextent85 = aire(ji,jj) zldarea = zarea / MAX( ( 1 - frld(ji,jj) ) , epsi06 ) zicevol = zarea * hicif(ji,jj) zsnwvol = zarea * hsnif(ji,jj) zicespd = zicevol * ( u_ice(ji,jj) * u_ice(ji,jj) & & + v_ice(ji,jj) * v_ice(ji,jj) ) vinfor(nv+ 1) = vinfor(nv+ 1) + zarea vinfor(nv+ 3) = vinfor(nv+ 3) + zextent15 vinfor(nv+ 5) = vinfor(nv+ 5) + zextent85 vinfor(nv+ 7) = vinfor(nv+ 7) + zldarea vinfor(nv+ 9) = vinfor(nv+ 9) + zicevol vinfor(nv+11) = vinfor(nv+11) + zsnwvol vinfor(nv+13) = vinfor(nv+13) + zicespd ENDIF END DO END DO vinfor(nv+13) = SQRT( vinfor(nv+13) / MAX( vinfor(nv+9) , epsi06 ) ) ! Accumulation before averaging DO jv = 1, nvinfo vinfom(jv) = vinfom(jv) + vinfor(jv) END DO naveg = naveg + 1 ! oututs on file ice_evolu IF( MOD( numit , ninfo ) == 0 ) THEN WRITE(numevo_ice,fmtw) ( titvar(jv), vinfom(jv)/naveg, jv = 1, nvinfo ) naveg = 0 DO jv = 1, nvinfo vinfom(jv) = 0.e0 END DO ENDIF END SUBROUTINE lim_dia SUBROUTINE lim_dia_init !!------------------------------------------------------------------- !! *** ROUTINE lim_dia_init *** !! !! ** Purpose : Preparation of the file ice_evolu for the output of !! the temporal evolution of key variables !! !! ** input : Namelist namicedia !! !! history : !! 8.5 ! 03-08 (C. Ethe) original code !!------------------------------------------------------------------- NAMELIST/namicedia/fmtinf, nfrinf, ninfo, ntmoy INTEGER :: jv , & ! dummy loop indice & ntot , & & ndeb , & & irecl INTEGER :: nv ! indice of variable REAL(wp) :: zxx0, zxx1 ! temporary scalars CHARACTER(len=jpchinf) :: titinf !!------------------------------------------------------------------- ! Read Namelist namicedia REWIND ( numnam_ice ) READ ( numnam_ice , namicedia ) IF(lwp) THEN WRITE(numout,*) WRITE(numout,*) 'lim_dia_init : ice parameters for ice diagnostics ' WRITE(numout,*) '~~~~~~~~~~~~' WRITE(numout,*) ' format of the output values fmtinf = ', fmtinf WRITE(numout,*) ' number of variables written in one line nfrinf = ', nfrinf WRITE(numout,*) ' Instantaneous values of ice evolution or averaging ntmoy = ', ntmoy WRITE(numout,*) ' frequency of ouputs on file ice_evolu in case of averaging ninfo = ', ninfo ENDIF ! masked grid cell area aire(:,:) = area(:,:) * tms(:,:) ! Titles of ice key variables : nv = 1 titvar(nv) = 'NoIt' ! iteration number nv = nv + 1 titvar(nv) = 'T yr' ! time step in years nv = nv + 1 nbvt = nv - 1 titvar(nv) = 'AEFN' ! sea ice area in the northern Hemisp.(10^12 km2) nv = nv + 1 titvar(nv) = 'AEFS' ! sea ice area in the southern Hemisp.(10^12 km2) nv = nv + 1 titvar(nv) = 'A15N' ! sea ice extent (15%) in the northern Hemisp.(10^12 km2) nv = nv + 1 titvar(nv) = 'A15S' ! sea ice extent (15%) in the southern Hemisp.(10^12 km2) nv = nv + 1 titvar(nv) = 'A85N' ! sea ice extent (85%) in the northern Hemisp.(10^12 km2) nv = nv + 1 titvar(nv) = 'A85S' ! sea ice extent (85%) in the southern Hemisp.(10^12 km2) nv = nv + 1 titvar(nv) = 'ALEN' ! leads area in the northern Hemisp.(10^12 km2) nv = nv + 1 titvar(nv) = 'ALES' ! leads area in the southern Hemisp.(10^12 km2) nv = nv + 1 titvar(nv) = 'VOLN' ! sea ice volume in the northern Hemisp.(10^3 km3) nv = nv + 1 titvar(nv) = 'VOLS' ! sea ice volume in the southern Hemisp.(10^3 km3) nv = nv + 1 titvar(nv) = 'VONN' ! snow volume over sea ice in the northern Hemisp.(10^3 km3) nv = nv + 1 titvar(nv) = 'VONS' ! snow volume over sea ice in the southern Hemisp.(10^3 km3) nv = nv + 1 titvar(nv) = 'ECGN' ! mean sea ice velocity in the northern Hemisp.(m/s) nv = nv + 1 titvar(nv) = 'ECGS' ! mean sea ice velocity in the southern Hemisp.(m/s) nvinfo = nv ! Definition et Ecriture de l'entete : nombre d'enregistrements ndeb = ( nstart - 1 ) / ninfo IF( nstart == 1 ) ndeb = -1 nferme = ( nstart - 1 + nitrun) / ninfo ntot = nferme - ndeb ndeb = ninfo * ( 1 + ndeb ) nferme = ninfo * nferme ! definition of formats WRITE( fmtw , '(A,I3,A2,I1,A)' ) '(', nfrinf, '(A', jpchsep, ','//fmtinf//'))' WRITE( fmtr , '(A,I3,A,I1,A)' ) '(', nfrinf, '(', jpchsep, 'X,'//fmtinf//'))' WRITE( fmtitr, '(A,I3,A,I1,A)' ) '(', nvinfo, 'A', jpchinf, ')' ! opening "ice_evolu" file irecl = ( jpchinf + 1 ) * nvinfo OPEN( numevo_ice, file='ice.evolu', status='unknown', RECL = irecl) OPEN( numevo_ice, file='ice.evolu', status='unknown') !- ecriture de 2 lignes d''entete : WRITE(numevo_ice,1000) fmtr, fmtw, fmtitr, nvinfo, ntot, 0, nfrinf zxx0 = 0.001 * REAL( ninfo ) zxx1 = 0.001 * REAL( ndeb ) WRITE(numevo_ice,1111) REAL(jpchinf), 0., zxx1, zxx0, 0., 0., 0 !- ecriture de 2 lignes de titre : WRITE(numevo_ice,'(A,I8,A,I8,A,I5)') & 'Evolution chronologique - Experience '//cexper & //' de', ndeb, ' a', nferme, ' pas', ninfo WRITE(numevo_ice,fmtitr) ( titvar(jv), jv = 1, nvinfo ) !--preparation de "titvar" pour l''ecriture parmi les valeurs numeriques : DO jv = 2 , nvinfo titinf = titvar(jv)(:jpchinf) titvar(jv) = ' '//titinf END DO !--Initialisation of the arrays for the accumulation DO jv = 1, nvinfo vinfom(jv) = 0. END DO naveg = 0 1000 FORMAT( 3(A20),4(1x,I6) ) 1111 FORMAT( 3(F7.1,1X,F7.3,1X),I3,A ) END SUBROUTINE lim_dia_init #else !!---------------------------------------------------------------------- !! Default option : NO LIM sea-ice model !!---------------------------------------------------------------------- CONTAINS SUBROUTINE lim_dia ! Empty routine END SUBROUTINE lim_dia #endif !!====================================================================== END MODULE limdia