MODULE diafwb !!====================================================================== !! *** MODULE diafwb *** !! Ocean diagnostics: freshwater budget !!====================================================================== !! History : 8.2 ! 01-02 (E. Durand) Original code !! 8.5 ! 02-06 (G. Madec) F90: Free form and module !! 9.0 ! 05-11 (V. Garnier) Surface pressure gradient organization !!---------------------------------------------------------------------- !!---------------------------------------------------------------------- !! Only for ORCA2 ORCA1 and ORCA025 !!---------------------------------------------------------------------- !!---------------------------------------------------------------------- !! dia_fwb : freshwater budget for global ocean configurations !!---------------------------------------------------------------------- USE oce ! ocean dynamics and tracers USE dom_oce ! ocean space and time domain USE phycst ! physical constants USE sbc_oce ! ??? USE zdf_oce ! ocean vertical physics USE in_out_manager ! I/O manager USE lib_mpp ! distributed memory computing library USE timing ! preformance summary IMPLICIT NONE PRIVATE PUBLIC dia_fwb ! routine called by step.F90 REAL(wp) :: a_fwf , & & a_sshb, a_sshn, a_salb, a_saln REAL(wp), DIMENSION(4) :: a_flxi, a_flxo, a_temi, a_temo, a_sali, a_salo !! * Substitutions # include "domzgr_substitute.h90" # include "vectopt_loop_substitute.h90" !!---------------------------------------------------------------------- !! NEMO/OPA 3.3 , NEMO Consortium (2010) !! $Id$ !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) !!---------------------------------------------------------------------- CONTAINS SUBROUTINE dia_fwb( kt ) !!--------------------------------------------------------------------- !! *** ROUTINE dia_fwb *** !! !! ** Purpose : !!---------------------------------------------------------------------- INTEGER, INTENT( in ) :: kt ! ocean time-step index !! INTEGER :: inum ! temporary logical unit INTEGER :: ji, jj, jk, jt ! dummy loop indices INTEGER :: ii0, ii1, ij0, ij1 INTEGER :: isrow ! index for ORCA1 starting row REAL(wp) :: zarea, zvol, zwei REAL(wp) :: ztemi(4), ztemo(4), zsali(4), zsalo(4), zflxi(4), zflxo(4) REAL(wp) :: zt, zs, zu REAL(wp) :: zsm0, zfwfnew IF( cp_cfg == "orca" .AND. jp_cfg == 1 .OR. jp_cfg == 2 .OR. jp_cfg == 4 ) THEN !!---------------------------------------------------------------------- IF( nn_timing == 1 ) CALL timing_start('dia_fwb') ! Mean global salinity zsm0 = 34.72654 ! To compute fwf mean value mean fwf IF( kt == nit000 ) THEN a_fwf = 0.e0 a_sshb = 0.e0 ! valeur de ssh au debut de la simulation a_salb = 0.e0 ! valeur de sal au debut de la simulation ! sshb used because diafwb called after tranxt (i.e. after the swap) a_sshb = SUM( e1t(:,:) * e2t(:,:) * sshb(:,:) * tmask_i(:,:) ) IF( lk_mpp ) CALL mpp_sum( a_sshb ) ! sum over the global domain DO jk = 1, jpkm1 DO jj = 2, jpjm1 DO ji = fs_2, fs_jpim1 ! vector opt. zwei = e1t(ji,jj) * e2t(ji,jj) * fse3t(ji,jj,jk) * tmask(ji,jj,jk) * tmask_i(ji,jj) a_salb = a_salb + ( tsb(ji,jj,jk,jp_sal) - zsm0 ) * zwei END DO END DO END DO IF( lk_mpp ) CALL mpp_sum( a_salb ) ! sum over the global domain ENDIF a_fwf = SUM( e1t(:,:) * e2t(:,:) * ( emp(:,:)-rnf(:,:) ) * tmask_i(:,:) ) IF( lk_mpp ) CALL mpp_sum( a_fwf ) ! sum over the global domain IF( kt == nitend ) THEN a_sshn = 0.e0 a_saln = 0.e0 zarea = 0.e0 zvol = 0.e0 zfwfnew = 0.e0 ! Mean sea level at nitend a_sshn = SUM( e1t(:,:) * e2t(:,:) * sshn(:,:) * tmask_i(:,:) ) IF( lk_mpp ) CALL mpp_sum( a_sshn ) ! sum over the global domain zarea = SUM( e1t(:,:) * e2t(:,:) * tmask_i(:,:) ) IF( lk_mpp ) CALL mpp_sum( zarea ) ! sum over the global domain DO jk = 1, jpkm1 DO jj = 2, jpjm1 DO ji = fs_2, fs_jpim1 ! vector opt. zwei = e1t(ji,jj) * e2t(ji,jj) * fse3t(ji,jj,jk) * tmask(ji,jj,jk) * tmask_i(ji,jj) a_saln = a_saln + ( tsn(ji,jj,jk,jp_sal) - zsm0 ) * zwei zvol = zvol + zwei END DO END DO END DO IF( lk_mpp ) CALL mpp_sum( a_saln ) ! sum over the global domain IF( lk_mpp ) CALL mpp_sum( zvol ) ! sum over the global domain ! Conversion in m3 a_fwf = a_fwf * rdttra(1) * 1.e-3 ! fwf correction to bring back the mean ssh to zero zfwfnew = a_sshn / ( ( nitend - nit000 + 1 ) * rdt ) * 1.e3 / zarea ENDIF ! Calcul des termes de transport ! ------------------------------ ! 1 --> Gibraltar ! 2 --> Cadiz ! 3 --> Red Sea ! 4 --> Baltic Sea IF( kt == nit000 ) THEN a_flxi(:) = 0.e0 a_flxo(:) = 0.e0 a_temi(:) = 0.e0 a_temo(:) = 0.e0 a_sali(:) = 0.e0 a_salo(:) = 0.e0 ENDIF zflxi(:) = 0.e0 zflxo(:) = 0.e0 ztemi(:) = 0.e0 ztemo(:) = 0.e0 zsali(:) = 0.e0 zsalo(:) = 0.e0 ! Mean flow at Gibraltar IF( cp_cfg == "orca" ) THEN SELECT CASE ( jp_cfg ) ! ! ======================= CASE ( 4 ) ! ORCA_R4 configuration ! ! ======================= ii0 = 70 ; ii1 = 70 ij0 = 52 ; ij1 = 52 ! ! ======================= CASE ( 2 ) ! ORCA_R2 configuration ! ! ======================= ii0 = 140 ; ii1 = 140 ij0 = 102 ; ij1 = 102 ! ! ======================= CASE ( 1 ) ! ORCA_R1 configurations ! ! ======================= ! This dirty section will be suppressed by simplification process: all this will come back in input files ! Currently these hard-wired indices relate to the original (pre-v3.6) configuration ! which had a grid-size of 362x292. ! This grid has been extended southwards for use with the under ice-shelf options (isf) introduced in v3.6. ! The original domain can still be used optionally if the isf code is not activated. ! An adjustment (isrow) is made to the hard-wired indices if the extended domain (362x332) is being used. ! IF ( jpjglo == 292 ) THEN ; isrow = 0 ! Using pre-v3.6 files or adjusted start row from isf-extended grid ELSEIF( jpjglo == 332 ) THEN ; isrow = 40 ! Using full isf­extended domain. ENDIF ! Adjust j­indices to account for more southerly starting latitude ii0 = 283 ; ii1 = 283 ij0 = 201 + isrow ; ij1 = 201 + isrow ! ! ======================= CASE DEFAULT ! ORCA R05 or R025 ! ! ======================= CALL ctl_stop( ' dia_fwb Not yet implemented in ORCA_R05 or R025' ) ! END SELECT ! DO ji = mi0(ii0), MIN(mi1(ii1),jpim1) DO jj = mj0(ij0), mj1(ij1) DO jk = 1, jpk zt = 0.5 * ( tsn(ji,jj,jk,jp_tem) + tsn(ji+1,jj,jk,jp_tem) ) zs = 0.5 * ( tsn(ji,jj,jk,jp_sal) + tsn(ji+1,jj,jk,jp_sal) ) zu = un(ji,jj,jk) * fse3t(ji,jj,jk) * e2u(ji,jj) * tmask_i(ji,jj) IF( un(ji,jj,jk) > 0.e0 ) THEN zflxi(1) = zflxi(1) + zu ztemi(1) = ztemi(1) + zt*zu zsali(1) = zsali(1) + zs*zu ELSE zflxo(1) = zflxo(1) + zu ztemo(1) = ztemo(1) + zt*zu zsalo(1) = zsalo(1) + zs*zu ENDIF END DO END DO END DO ENDIF ! Mean flow at Cadiz IF( cp_cfg == "orca" ) THEN SELECT CASE ( jp_cfg ) ! ! ======================= CASE ( 4 ) ! ORCA_R4 configuration ! ! ======================= ii0 = 69 ; ii1 = 69 ij0 = 52 ; ij1 = 52 ! ! ======================= CASE ( 2 ) ! ORCA_R2 configuration ! ! ======================= ii0 = 137 ; ii1 = 137 ij0 = 101 ; ij1 = 102 ! ! ======================= CASE ( 1 ) ! ORCA_R1 configurations ! ! ======================= ! This dirty section will be suppressed by simplification process: ! all this will come back in input files IF ( jpjglo == 292 ) THEN ; isrow = 0 ELSEIF( jpjglo == 332 ) THEN ; isrow = 39 ENDIF ii0 = 282 ; ii1 = 282 ij0 = 201 + isrow ; ij1 = 201 + isrow ! ! ======================= CASE DEFAULT ! ORCA R05 or R025 ! ! ======================= CALL ctl_stop( ' dia_fwb Not yet implemented in ORCA_R05 or R025' ) ! END SELECT ! DO ji = mi0(ii0), MIN(mi1(ii1),jpim1) DO jj = mj0(ij0), mj1(ij1) DO jk = 1, jpk zt = 0.5 * ( tsn(ji,jj,jk,jp_tem) + tsn(ji+1,jj,jk,jp_tem) ) zs = 0.5 * ( tsn(ji,jj,jk,jp_sal) + tsn(ji+1,jj,jk,jp_sal) ) zu = un(ji,jj,jk) * fse3t(ji,jj,jk) * e2u(ji,jj) * tmask_i(ji,jj) IF( un(ji,jj,jk) > 0.e0 ) THEN zflxi(2) = zflxi(2) + zu ztemi(2) = ztemi(2) + zt*zu zsali(2) = zsali(2) + zs*zu ELSE zflxo(2) = zflxo(2) + zu ztemo(2) = ztemo(2) + zt*zu zsalo(2) = zsalo(2) + zs*zu ENDIF END DO END DO END DO ENDIF ! Mean flow at Red Sea entrance IF( cp_cfg == "orca" ) THEN SELECT CASE ( jp_cfg ) ! ! ======================= CASE ( 4 ) ! ORCA_R4 configuration ! ! ======================= ii0 = 83 ; ii1 = 83 ij0 = 45 ; ij1 = 45 ! ! ======================= CASE ( 2 ) ! ORCA_R2 configuration ! ! ======================= ii0 = 160 ; ii1 = 160 ij0 = 88 ; ij1 = 88 ! ! ======================= CASE ( 1 ) ! ORCA_R1 configurations ! ! ======================= ! This dirty section will be suppressed by simplification process: ! all this will come back in input files IF ( jpjglo == 292 ) THEN ; isrow = 0 ELSEIF( jpjglo == 332 ) THEN ; isrow = 39 ENDIF ii0 = 331 ; ii1 = 331 ij0 = 176 + isrow ; ij1 = 176 + isrow ! ! ======================= CASE DEFAULT ! ORCA R05 or R025 ! ! ======================= CALL ctl_stop( ' dia_fwb Not yet implemented in ORCA_R05 or R025' ) ! END SELECT ! DO ji = mi0(ii0), MIN(mi1(ii1),jpim1) DO jj = mj0(ij0), mj1(ij1) DO jk = 1, jpk zt = 0.5 * ( tsn(ji,jj,jk,jp_tem) + tsn(ji+1,jj,jk,jp_tem) ) zs = 0.5 * ( tsn(ji,jj,jk,jp_sal) + tsn(ji+1,jj,jk,jp_sal) ) zu = un(ji,jj,jk) * fse3t(ji,jj,jk) * e2u(ji,jj) * tmask_i(ji,jj) IF( un(ji,jj,jk) > 0.e0 ) THEN zflxi(3) = zflxi(3) + zu ztemi(3) = ztemi(3) + zt*zu zsali(3) = zsali(3) + zs*zu ELSE zflxo(3) = zflxo(3) + zu ztemo(3) = ztemo(3) + zt*zu zsalo(3) = zsalo(3) + zs*zu ENDIF END DO END DO END DO ENDIF ! Mean flow at Baltic Sea entrance IF( cp_cfg == "orca" ) THEN SELECT CASE ( jp_cfg ) ! ! ======================= CASE ( 4 ) ! ORCA_R4 configuration ! ! ======================= ii0 = 1 ; ii1 = 1 ij0 = 1 ; ij1 = 1 ! ! ======================= CASE ( 2 ) ! ORCA_R2 configuration ! ! ======================= ii0 = 146 ; ii1 = 146 ij0 = 116 ; ij1 = 116 ! ! ======================= CASE ( 1 ) ! ORCA_R1 configurations ! ! ======================= ! This dirty section will be suppressed by simplification process: ! all this will come back in input files IF ( jpjglo == 292 ) THEN ; isrow = 0 ELSEIF( jpjglo == 332 ) THEN ; isrow = 39 ENDIF ii0 = 297 ; ii1 = 297 ij0 = 230 + isrow ; ij1 = 230 + isrow ! ! ======================= CASE DEFAULT ! ORCA R05 or R025 ! ! ======================= CALL ctl_stop( ' dia_fwb Not yet implemented in ORCA_R05 or R025' ) ! END SELECT ! DO ji = mi0(ii0), MIN(mi1(ii1),jpim1) DO jj = mj0(ij0), mj1(ij1) DO jk = 1, jpk zt = 0.5 * ( tsn(ji,jj,jk,jp_tem) + tsn(ji+1,jj,jk,jp_tem) ) zs = 0.5 * ( tsn(ji,jj,jk,jp_sal) + tsn(ji+1,jj,jk,jp_sal) ) zu = un(ji,jj,jk) * fse3t(ji,jj,jk) * e2u(ji,jj) * tmask_i(ji,jj) IF( un(ji,jj,jk) > 0.e0 ) THEN zflxi(4) = zflxi(4) + zu ztemi(4) = ztemi(4) + zt*zu zsali(4) = zsali(4) + zs*zu ELSE zflxo(4) = zflxo(4) + zu ztemo(4) = ztemo(4) + zt*zu zsalo(4) = zsalo(4) + zs*zu ENDIF END DO END DO END DO ENDIF ! Sum at each time-step DO jt = 1, 4 ! IF( zflxi(jt) /= 0.e0 ) THEN a_flxi(jt) = a_flxi(jt) + zflxi(jt) a_temi(jt) = a_temi(jt) + ztemi(jt)/zflxi(jt) a_sali(jt) = a_sali(jt) + zsali(jt)/zflxi(jt) ENDIF ! IF( zflxo(jt) /= 0.e0 ) THEN a_flxo(jt) = a_flxo(jt) + zflxo(jt) a_temo(jt) = a_temo(jt) + ztemo(jt)/zflxo(jt) a_salo(jt) = a_salo(jt) + zsalo(jt)/zflxo(jt) ENDIF ! END DO IF( kt == nitend ) THEN DO jt = 1, 4 a_flxi(jt) = a_flxi(jt) / ( FLOAT( nitend - nit000 + 1 ) * 1.e6 ) a_temi(jt) = a_temi(jt) / FLOAT( nitend - nit000 + 1 ) a_sali(jt) = a_sali(jt) / FLOAT( nitend - nit000 + 1 ) a_flxo(jt) = a_flxo(jt) / ( FLOAT( nitend - nit000 + 1 ) * 1.e6 ) a_temo(jt) = a_temo(jt) / FLOAT( nitend - nit000 + 1 ) a_salo(jt) = a_salo(jt) / FLOAT( nitend - nit000 + 1 ) END DO IF( lk_mpp ) THEN CALL mpp_sum( a_flxi, 4 ) ! sum over the global domain CALL mpp_sum( a_temi, 4 ) ! sum over the global domain CALL mpp_sum( a_sali, 4 ) ! sum over the global domain CALL mpp_sum( a_flxo, 4 ) ! sum over the global domain CALL mpp_sum( a_temo, 4 ) ! sum over the global domain CALL mpp_sum( a_salo, 4 ) ! sum over the global domain ENDIF ENDIF ! Ecriture des diagnostiques ! -------------------------- IF ( kt == nitend .AND. cp_cfg == "orca" .AND. lwp ) THEN CALL ctl_opn( inum, 'STRAIT.dat', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, numout, lwp, narea ) WRITE(inum,*) WRITE(inum,*) 'Net freshwater budget ' WRITE(inum,9010) ' fwf = ',a_fwf, ' m3 =', a_fwf /(FLOAT(nitend-nit000+1)*rdttra(1)) * 1.e-6,' Sv' WRITE(inum,*) WRITE(inum,9010) ' zarea =',zarea WRITE(inum,9010) ' zvol =',zvol WRITE(inum,*) WRITE(inum,*) 'Mean sea level : ' WRITE(inum,9010) ' at nit000 = ',a_sshb ,' m3 ' WRITE(inum,9010) ' at nitend = ',a_sshn ,' m3 ' WRITE(inum,9010) ' diff = ',(a_sshn-a_sshb),' m3 =', (a_sshn-a_sshb)/(FLOAT(nitend-nit000+1)*rdt) * 1.e-6,' Sv' WRITE(inum,9020) ' mean sea level elevation =', a_sshn/zarea,' m' WRITE(inum,*) WRITE(inum,*) 'Anomaly of salinity content : ' WRITE(inum,9010) ' at nit000 = ',a_salb ,' psu.m3 ' WRITE(inum,9010) ' at nitend = ',a_saln ,' psu.m3 ' WRITE(inum,9010) ' diff = ',(a_saln-a_salb),' psu.m3' WRITE(inum,*) WRITE(inum,*) 'Mean salinity : ' WRITE(inum,9020) ' at nit000 =',a_salb/zvol+zsm0 ,' psu ' WRITE(inum,9020) ' at nitend =',a_saln/zvol+zsm0 ,' psu ' WRITE(inum,9020) ' diff =',(a_saln-a_salb)/zvol,' psu' WRITE(inum,9020) ' S-SLevitus=',a_saln/zvol,' psu' WRITE(inum,*) WRITE(inum,*) 'Gibraltar : ' WRITE(inum,9030) ' Flux entrant (Sv) :', a_flxi(1) WRITE(inum,9030) ' Flux sortant (Sv) :', a_flxo(1) WRITE(inum,9030) ' T entrant (deg) :', a_temi(1) WRITE(inum,9030) ' T sortant (deg) :', a_temo(1) WRITE(inum,9030) ' S entrant (psu) :', a_sali(1) WRITE(inum,9030) ' S sortant (psu) :', a_salo(1) WRITE(inum,*) WRITE(inum,*) 'Cadiz : ' WRITE(inum,9030) ' Flux entrant (Sv) :', a_flxi(2) WRITE(inum,9030) ' Flux sortant (Sv) :', a_flxo(2) WRITE(inum,9030) ' T entrant (deg) :', a_temi(2) WRITE(inum,9030) ' T sortant (deg) :', a_temo(2) WRITE(inum,9030) ' S entrant (psu) :', a_sali(2) WRITE(inum,9030) ' S sortant (psu) :', a_salo(2) WRITE(inum,*) WRITE(inum,*) 'Bab el Mandeb : ' WRITE(inum,9030) ' Flux entrant (Sv) :', a_flxi(3) WRITE(inum,9030) ' Flux sortant (Sv) :', a_flxo(3) WRITE(inum,9030) ' T entrant (deg) :', a_temi(3) WRITE(inum,9030) ' T sortant (deg) :', a_temo(3) WRITE(inum,9030) ' S entrant (psu) :', a_sali(3) WRITE(inum,9030) ' S sortant (psu) :', a_salo(3) WRITE(inum,*) WRITE(inum,*) 'Baltic : ' WRITE(inum,9030) ' Flux entrant (Sv) :', a_flxi(4) WRITE(inum,9030) ' Flux sortant (Sv) :', a_flxo(4) WRITE(inum,9030) ' T entrant (deg) :', a_temi(4) WRITE(inum,9030) ' T sortant (deg) :', a_temo(4) WRITE(inum,9030) ' S entrant (psu) :', a_sali(4) WRITE(inum,9030) ' S sortant (psu) :', a_salo(4) CLOSE(inum) ENDIF IF( nn_timing == 1 ) CALL timing_start('dia_fwb') 9005 FORMAT(1X,A,ES24.16) 9010 FORMAT(1X,A,ES12.5,A,F10.5,A) 9020 FORMAT(1X,A,F10.5,A) 9030 FORMAT(1X,A,F9.4,A) ENDIF END SUBROUTINE dia_fwb !!====================================================================== END MODULE diafwb