SUBROUTINE DIVHOA C ****************************************************************** C$$$ SUBPROGRAM DOCUMENTATION BLOCK C . . . C SUBPROGRAM: DIVHOA DIVERGENCE/HORIZONTAL OMEGA-ALPHA C PRGRMMR: JANJIC ORG: W/NP22 DATE: 93-10-28 C C ABSTRACT: C DIVHOA COMPUTES THE DIVERGENCE INCLUDING THE C MODIFICATION PREVENTING GRAVITY WAVE GRID SEPARATION, AND C CALCULATES THE HORIZONTAL PART OF THE OMEGA-ALPHA TERM C (THE PART PROPORTIONAL TO THE ADVECTION OF MASS ALONG C ETA/SIGMA SURFACES). C C PROGRAM HISTORY LOG: C 87-06-?? JANJIC - ORIGINATOR C 95-03-25 BLACK - CONVERSION FROM 1-D TO 2-D IN HORIZONTAL C 96-03-29 BLACK - ADDED EXTERNAL EDGE C 97-03-17 MESINGER - SPLIT FROM PFDHT C 98-10-30 BLACK - MODIFIED FOR DISTRIBUTED MEMORY C 00-10-20 BLACK - INCORPORATED PRESSURE GRADIENT METHOD C FROM MESO MODEL C C USAGE: CALL DIVHOA FROM MAIN PROGRAM EBU C INPUT ARGUMENT LIST: C NONE C C OUTPUT ARGUMENT LIST: C NONE C C OUTPUT FILES: C NONE C C SUBPROGRAMS CALLED: C C UNIQUE: NONE C C LIBRARY: NONE C C COMMON BLOCKS: CTLBLK C MASKS C LOOPS C DYNAM C VRBLS C CONTIN C INDX C C ATTRIBUTES: C LANGUAGE: FORTRAN 90 C MACHINE : IBM SP C$$$ C*********************************************************************** C----------------------------------------------------------------------- INCLUDE "parmeta" INCLUDE "mpp.h" C----------------------------------------------------------------------- P A R A M E T E R & (LP1=LM+1,JAM=6+2*(JM-10)) C----------------------------------------------------------------------- L O G I C A L & RUN,FIRST,RESTRT,SIGMA C---------------------------------------------------------------------- INCLUDE "CTLBLK.comm" c----------------------------------------------------------------------- include "LOOPS.comm" C----------------------------------------------------------------------- INCLUDE "MASKS.comm" C----------------------------------------------------------------------- INCLUDE "INDX.comm" c----------------------------------------------------------------------- INCLUDE "DYNAM.comm" C----------------------------------------------------------------------- INCLUDE "VRBLS.comm" C----------------------------------------------------------------------- INCLUDE "CONTIN.comm" C----------------------------------------------------------------------- INCLUDE "NHYDRO.comm" C----------------------------------------------------------------------- R E A L & PINTLG(IDIM1:IDIM2,JDIM1:JDIM2,LM+1) C R E A L & FIM (IDIM1:IDIM2,JDIM1:JDIM2) &,FILO (IDIM1:IDIM2,JDIM1:JDIM2),RDPD (IDIM1:IDIM2,JDIM1:JDIM2) &,ADPDX (IDIM1:IDIM2,JDIM1:JDIM2),RDPDX (IDIM1:IDIM2,JDIM1:JDIM2) &,ADPDY (IDIM1:IDIM2,JDIM1:JDIM2),RDPDY (IDIM1:IDIM2,JDIM1:JDIM2) &,ADPDNE(IDIM1:IDIM2,JDIM1:JDIM2),ADPDSE(IDIM1:IDIM2,JDIM1:JDIM2) &,PEW (IDIM1:IDIM2,JDIM1:JDIM2),PNS (IDIM1:IDIM2,JDIM1:JDIM2) &,PCEW (IDIM1:IDIM2,JDIM1:JDIM2),PCNS (IDIM1:IDIM2,JDIM1:JDIM2) &,DPFEW (IDIM1:IDIM2,JDIM1:JDIM2),DPFNS (IDIM1:IDIM2,JDIM1:JDIM2) &,FNS (IDIM1:IDIM2,JDIM1:JDIM2),TNS (IDIM1:IDIM2,JDIM1:JDIM2) &,HM (IDIM1:IDIM2,JDIM1:JDIM2),VM (IDIM1:IDIM2,JDIM1:JDIM2) &,EDIV (IDIM1:IDIM2,JDIM1:JDIM2),DIVL (IDIM1:IDIM2,JDIM1:JDIM2) C R E A L & DPDE (IDIM1:IDIM2,JDIM1:JDIM2) &,APEL (IDIM1:IDIM2,JDIM1:JDIM2),PCXC (IDIM1:IDIM2,JDIM1:JDIM2) &,ALP1 (IDIM1:IDIM2,JDIM1:JDIM2) &,DFDZ (IDIM1:IDIM2,JDIM1:JDIM2) &,UDY (IDIM1:IDIM2,JDIM1:JDIM2),VDX (IDIM1:IDIM2,JDIM1:JDIM2) &,TEW (IDIM1:IDIM2,JDIM1:JDIM2),FEW (IDIM1:IDIM2,JDIM1:JDIM2) &,TNE (IDIM1:IDIM2,JDIM1:JDIM2),TSE (IDIM1:IDIM2,JDIM1:JDIM2) &,FNE (IDIM1:IDIM2,JDIM1:JDIM2),FSE (IDIM1:IDIM2,JDIM1:JDIM2) &,PNE (IDIM1:IDIM2,JDIM1:JDIM2),PSE (IDIM1:IDIM2,JDIM1:JDIM2) &,CNE (IDIM1:IDIM2,JDIM1:JDIM2),CSE (IDIM1:IDIM2,JDIM1:JDIM2) &,PPNE (IDIM1:IDIM2,JDIM1:JDIM2),PPSE (IDIM1:IDIM2,JDIM1:JDIM2) &,PCNE (IDIM1:IDIM2,JDIM1:JDIM2),PCSE (IDIM1:IDIM2,JDIM1:JDIM2) C----------------------------------------------------------------------- C----------------------------------------------------------------------- CALL ZERO2(ALP1) CALL ZERO2(DPDE) CALL ZERO2(APEL) CALL ZERO2(PCXC) CALL ZERO2(DFDZ) CALL ZERO2(UDY) CALL ZERO2(VDX) CALL ZERO2(TEW) CALL ZERO2(FEW) CALL ZERO2(TNE) CALL ZERO2(TSE) CALL ZERO2(FNE) CALL ZERO2(FSE) CALL ZERO2(PNE) CALL ZERO2(PSE) CALL ZERO2(CNE) CALL ZERO2(CSE) CALL ZERO2(PPNE) CALL ZERO2(PPSE) CALL ZERO2(PCNE) CALL ZERO2(PCSE) C----------------------------------------------------------------------- C--------------PREPARATORY CALCULATIONS--------------------------------- C----------------------------------------------------------------------- IF(SIGMA)THEN !$omp parallel do DO 50 J=MYJS_P5,MYJE_P5 DO 50 I=MYIS_P5,MYIE_P5 FILO(I,J)=FIS(I,J) PDSL(I,J)=PD(I,J) 50 CONTINUE ELSE !$omp parallel do DO 100 J=MYJS_P5,MYJE_P5 DO 100 I=MYIS_P5,MYIE_P5 FILO(I,J)=0.0 PDSL(I,J)=RES(I,J)*PD(I,J) 100 CONTINUE ENDIF C IF(HYDRO)THEN !$omp parallel do DO L=1,LM+1 DO J=MYJS_P5,MYJE_P5 DO I=MYIS_P5,MYIE_P5 PINTLG(I,J,L)=ALOG(ETA(L)*PDSL(I,J)+PT) ENDDO ENDDO ENDDO ELSE !$omp parallel do DO L=1,LM+1 DO J=MYJS_P5,MYJE_P5 DO I=MYIS_P5,MYIE_P5 PINTLG(I,J,L)=ALOG(PINT(I,J,L)) ENDDO ENDDO ENDDO ENDIF C !$omp parallel do DO L=1,LM DO J=MYJS_P4,MYJE_P4 DO I=MYIS_P4,MYIE_P4 OMGALF(I,J,L)=0. DIV(I,J,L)=0. ENDDO ENDDO ENDDO C----------------------------------------------------------------------- !$omp parallel do private (alp1x) DO J=MYJS_P5,MYJE_P5 DO I=MYIS_P5,MYIE_P5 ALP1X=PINTLG(I,J,LM+1) ALP1(I,J)=ALP1X ENDDO ENDDO C----------------------------------------------------------------------- C-------------------- MAIN VERTICAL INTEGRATION LOOP ------------------- C----------------------------------------------------------------------- DO 400 L=LM,1,-1 C----------------------------------------------------------------------- C*** C*** INTEGRATE THE GEOPOTENTIAL C*** Cmp FIM=0. Cmp C !$omp parallel do private (alp1p,dfi,fiupk,rdpds) C write(6,*) 'FIM defined over I: ', MYIS_P5,MYIE_P5 C write(6,*) 'FIM defined over J: ', MYJS_P5,MYJE_P5 DO 125 J=MYJS_P5,MYJE_P5 DO 125 I=MYIS_P5,MYIE_P5 C ALP1P=PINTLG(I,J,L) C DFI=(Q(I,J,L)*0.608+1.)*T(I,J,L)*R*(ALP1(I,J)-ALP1P)/DWDT(I,J,L) C RDPDS=1./(DETA(L)*PDSL(I,J)) RTOP(I,J,L)=RDPDS*DFI FIUPK=FILO(I,J)+DFI FIM(I,J)=FILO(I,J)+FIUPK if (abs(FIM(I,J)) .le. 5.e+10) then else write(6,*) 'bad FIM ', I,J,FIM(I,J),FILO(I,J),DFI write(6,*) 'Q,T,ALP1,ALP1P,DWDT: ', + Q(I,J,L),T(I,J,L),ALP1(I,J),ALP1P,DWDT(I,J,L) STOP endif C FILO(I,J)=(FIUPK-DFL(L))*HTM(I,J,L)+DFL(L) ALP1(I,J)=ALP1P 125 CONTINUE C C----------------------------------------------------------------------- !$omp parallel do private (alp1p,alp1pl,alp2p,alp2pl,dfi) DO 205 J=MYJS_P5,MYJE_P5 DO 205 I=MYIS_P5,MYIE_P5 HM(I,J)=HTM(I,J,L)*HBM2(I,J) VM(I,J)=VTM(I,J,L)*VBM2(I,J) C ALP1P =PINTLG(I,J,L) ALP1PL=PINTLG(I,J,L+1) ALP2P =ALP1P*ALP1P ALP2PL=ALP1PL*ALP1PL C DFI=(Q(I,J,L)*0.608+1.)*T(I,J,L)*R*(ALP1PL-ALP1P)/DWDT(I,J,L) DFDZ(I,J)=DFI*DWDT(I,J,L)/(ALP2PL-ALP2P) APEL(I,J)=(ALP2PL+ALP2P)*0.5 205 CONTINUE C !$omp parallel do DO 210 J=MYJS_P4,MYJE_P4 DO 210 I=MYIS_P4,MYIE_P4 DPDE(I,J)=DETA(L)*PDSL(I,J) DIVL(I,J)=0. EDIV(I,J)=0. 210 CONTINUE C !$omp parallel do DO 215 J=MYJS_P1,MYJE_P1 DO 215 I=MYIS_P1,MYIE_P1 RDPD(I,J)=1./DPDE(I,J) 215 CONTINUE C !$omp parallel do DO 220 J=MYJS1_P3,MYJE1_P3 DO 220 I=MYIS_P3,MYIE_P3 ADPDX(I,J)=DPDE(I+IVW(J),J)+DPDE(I+IVE(J),J) ADPDY(I,J)=DPDE(I,J-1)+DPDE(I,J+1) RDPDX(I,J)=1./ADPDX(I,J) RDPDY(I,J)=1./ADPDY(I,J) 220 CONTINUE C C--------------DIAGONAL CONTRIBUTIONS TO PRESSURE GRADIENT FORCE-------- C !$omp parallel do DO 240 J=MYJS_P4,MYJE_P4 DO 240 I=MYIS_P4,MYIE_P4 ADPDNE(I,J)=DPDE(I+IHE(J),J+1)+DPDE(I,J) PNE(I,J)=(FIM (I+IHE(J),J+1)-FIM (I,J)) 1 *(DWDT(I+IHE(J),J+1,L)+DWDT(I,J,L)) if ( ABS(PNE(I,J)) .le. 5.e10) then else write(6,*) 'crazy PNE ',I,J,PNE(I,J) write(6,*) 'pieces', I+IHE(J),J+1,FIM (I+IHE(J),J+1) endif PPNE(I,J)=PNE(I,J)*ADPDNE(I,J) CNE(I,J)=(DFDZ(I+IHE(J),J+1)+DFDZ(I,J))*2. 1 *(APEL(I+IHE(J),J+1)-APEL(I,J)) PCNE(I,J)=CNE(I,J)*ADPDNE(I,J) 240 CONTINUE C !$omp parallel do DO 250 J=MYJS1_P4,MYJE_P4 DO 250 I=MYIS_P4,MYIE1_P4 ADPDSE(I,J)=DPDE(I+IHE(J),J-1)+DPDE(I,J) PSE(I,J)=(FIM(I+IHE(J),J-1)-FIM(I,J)) 1 *(DWDT(I+IHE(J),J-1,L)+DWDT(I,J,L)) PPSE(I,J)=PSE(I,J)*ADPDSE(I,J) CSE(I,J)=(DFDZ(I+IHE(J),J-1)+DFDZ(I,J))*2. 1 *(APEL(I+IHE(J),J-1)-APEL(I,J)) PCSE(I,J)=CSE(I,J)*ADPDSE(I,J) 250 CONTINUE C C--------------CONTINUITY EQUATION MODIFICATION------------------------- C !$omp parallel do DO 260 J=MYJS1_P1,MYJE1_P1 DO 260 I=MYIS_P1,MYIE_P1 PCXC(I,J)=VBM3(I,J)*VTM(I,J,L)*(PNE(I+IVW(J),J) 1 +CNE(I+IVW(J),J)+PSE(I+IVW(J),J)+CSE(I+IVW(J),J) 2 -PNE(I,J-1)-CNE(I,J-1)-PSE(I,J+1)-CSE(I,J+1)) 260 CONTINUE C----------------------------------------------------------------------- DO 270 J=MYJS2,MYJE2 DO 270 I=MYIS1,MYIE1 DIV(I,J,L)=DETA(L)*WPDAR(I,J) 1 *(PCXC(I+IHE(J),J)-PCXC(I,J+1) 2 +PCXC(I+IHW(J),J)-PCXC(I,J-1)) 270 CONTINUE C C--------------LAT & LONG PRESSURE FORCE COMPONENTS--------------------- C !$omp parallel do private (dcnek,dcsek,dpnek,dpsek) DO 280 J=MYJS1_P3,MYJE1_P3 DO 280 I=MYIS_P3,MYIE_P3 DPNEK=PNE(I+IVW(J),J)+PNE(I,J-1) DPSEK=PSE(I+IVW(J),J)+PSE(I,J+1) PEW(I,J)=DPNEK+DPSEK PNS(I,J)=DPNEK-DPSEK DCNEK=CNE(I+IVW(J),J)+CNE(I,J-1) DCSEK=CSE(I+IVW(J),J)+CSE(I,J+1) PCEW(I,J)=(DCNEK+DCSEK)*ADPDX(I,J) PCNS(I,J)=(DCNEK-DCSEK)*ADPDY(I,J) 280 CONTINUE C C--------------LAT & LON FLUXES & OMEGA-ALPHA COMPONENTS---------------- C !$omp parallel do DO 310 J=MYJS1_P3,MYJE1_P3 DO 310 I=MYIS_P3,MYIE_P3 UDY(I,J)=DY*U(I,J,L) FEW(I,J)=UDY(I,J)*ADPDX(I,J) TEW(I,J)=UDY(I,J)*PCEW(I,J) VDX(I,J)=DX(I,J)*V(I,J,L) FNS(I,J)=VDX(I,J)*ADPDY(I,J) TNS(I,J)=VDX(I,J)*PCNS(I,J) 310 CONTINUE C C--------------DIAGONAL FLUXES AND DIAGONALLY AVERAGED WIND------------- C !$omp parallel do private (pvnek) DO 320 J=MYJS1_P2,MYJE2_P2 DO 320 I=MYIS_P2,MYIE1_P2 PVNEK=(UDY(I+IHE(J),J)+VDX(I+IHE(J),J))+(UDY(I,J+1)+VDX(I,J+1)) FNE(I,J)=PVNEK*ADPDNE(I,J) TNE(I,J)=PVNEK*PCNE(I,J)*2. 320 CONTINUE C !$omp parallel do private (pvsek) DO 330 J=MYJS2_P2,MYJE1_P2 DO 330 I=MYIS_P2,MYIE1_P2 PVSEK=(UDY(I+IHE(J),J)-VDX(I+IHE(J),J))+(UDY(I,J-1)-VDX(I,J-1)) FSE(I,J)=PVSEK*ADPDSE(I,J) TSE(I,J)=PVSEK*PCSE(I,J)*2. 330 CONTINUE C C--------------HORIZONTAL PART OF OMEGA-ALPHA & DIVERGENCE-------------- C !$omp parallel do DO 340 J=MYJS2_P1,MYJE2_P1 DO 340 I=MYIS1_P1,MYIE1_P1 OMGALF(I,J,L)=(TEW(I+IHE(J),J)+TEW(I+IHW(J),J)+TNS(I,J+1) 1 +TNS(I,J-1)+TNE(I,J)+TNE(I+IHW(J),J-1)+TSE(I,J) 2 +TSE(I+IHW(J),J+1))*RDPD(I,J)*FCP(I,J)*HM(I,J) T(I,J,L)=OMGALF(I,J,L)+T(I,J,L) EDIV(I,J)=((FEW(I+IHE(J),J)+FNS(I,J+1) 1 +FNE(I,J)+FSE(I,J)) 2 -(FEW(I+IHW(J),J)+FNS(I,J-1) 3 +FNE(I+IHW(J),J-1)+FSE(I+IHW(J),J+1)))*FDIV(I,J) DIVL(I,J)=EDIV(I,J)*HBM2(I,J) 340 CONTINUE C C------------------------------------------------------------------------ C !$omp parallel do DO 390 J=MYJS,MYJE DO 390 I=MYIS,MYIE DIV(I,J,L)=(DIV(I,J,L)+DIVL(I,J))*HM(I,J) 390 CONTINUE C----------------------------------------------------------------------- 400 CONTINUE C----------------------------------------------------------------------- RETURN END