MODULE module_sf_pxsfclay REAL , PARAMETER :: RICRIT = 0.25 REAL , PARAMETER :: BETAH = 5.0 REAL , PARAMETER :: BETAM = 5.0 REAL , PARAMETER :: BM = 13.0 REAL , PARAMETER :: BH = 15.7 REAL , PARAMETER :: GAMAM = 19.3 REAL , PARAMETER :: GAMAH = 11.6 REAL , PARAMETER :: PR0 = 0.95 REAL , PARAMETER :: CZO = 0.032 REAL , PARAMETER :: OZO = 1.E-4 REAL , PARAMETER :: VCONVC = 1.0 CONTAINS SUBROUTINE PXSFCLAY(U3D,V3D,T3D,TH3D,QV3D,P3D,dz8w, & CP,G,ROVCP,R,XLV,PSFC,CHS,CHS2,CQS2,CPM, & ZNT,UST,PBLH,MAVAIL,ZOL,MOL,REGIME,PSIM,PSIH, & XLAND,HFX,QFX,LH,TSK,FLHC,FLQC,QGH,QSFC,RMOL, & U10,V10, & GZ1OZ0,WSPD,BR,ISFFLX,DX, & SVP1,SVP2,SVP3,SVPT0,EP1,EP2,KARMAN, & itimestep, & ids,ide, jds,jde, kds,kde, & ims,ime, jms,jme, kms,kme, & its,ite, jts,jte, kts,kte ) IMPLICIT NONE INTEGER, INTENT(IN ) :: ids,ide, jds,jde, kds,kde, & ims,ime, jms,jme, kms,kme, & its,ite, jts,jte, kts,kte INTEGER, INTENT(IN ) :: ISFFLX, ITIMESTEP REAL, INTENT(IN ) :: SVP1,SVP2,SVP3,SVPT0 REAL, INTENT(IN ) :: EP1,EP2,KARMAN REAL, DIMENSION( ims:ime, kms:kme, jms:jme ) , & INTENT(IN ) :: dz8w REAL, DIMENSION( ims:ime, kms:kme, jms:jme ) , & INTENT(IN ) :: QV3D, & P3D, & T3D, & TH3D REAL, DIMENSION( ims:ime, jms:jme ) , & INTENT(IN ) :: MAVAIL, & PBLH, & XLAND, & TSK REAL, DIMENSION( ims:ime, jms:jme ) , & INTENT(OUT ) :: U10, & V10 REAL, DIMENSION( ims:ime, jms:jme ) , & INTENT(INOUT) :: REGIME, & HFX, & QFX, & LH, & MOL,RMOL,QSFC REAL, DIMENSION( ims:ime, jms:jme ) , & INTENT(INOUT) :: GZ1OZ0,WSPD,BR, & PSIM,PSIH REAL, DIMENSION( ims:ime, kms:kme, jms:jme ) , & INTENT(IN ) :: U3D, & V3D REAL, DIMENSION( ims:ime, jms:jme ) , & INTENT(IN ) :: PSFC REAL, DIMENSION( ims:ime, jms:jme ) , & INTENT(INOUT) :: ZNT, & ZOL, & UST, & CPM, & CHS2, & CQS2, & CHS REAL, DIMENSION( ims:ime, jms:jme ) , & INTENT(INOUT) :: FLHC,FLQC REAL, DIMENSION( ims:ime, jms:jme ) , & INTENT(INOUT) :: & QGH REAL, INTENT(IN ) :: CP,G,ROVCP,R,XLV,DX REAL, DIMENSION( its:ite ) :: U1D, & V1D, & QV1D, & P1D, & T1D, & TH1D REAL, DIMENSION( its:ite ) :: dz8w1d INTEGER :: I,J DO J=jts,jte DO i=its,ite dz8w1d(i) =dz8w(i,1,j) U1D(i) =U3D(i,1,j) V1D(i) =V3D(i,1,j) QV1D(i) =QV3D(i,1,j) P1D(i) =P3D(i,1,j) T1D(i) =T3D(i,1,j) TH1D(i) =TH3D(i,1,j) ENDDO CALL PXSFCLAY1D(J,U1D,V1D,T1D,TH1D,QV1D,P1D,dz8w1d, & CP,G,ROVCP,R,XLV,PSFC(ims,j),CHS(ims,j),CHS2(ims,j), & CQS2(ims,j),CPM(ims,j),PBLH(ims,j), RMOL(ims,j), & ZNT(ims,j),UST(ims,j),MAVAIL(ims,j),ZOL(ims,j), & MOL(ims,j),REGIME(ims,j),PSIM(ims,j),PSIH(ims,j), & XLAND(ims,j),HFX(ims,j),QFX(ims,j),TSK(ims,j), & U10(ims,j),V10(ims,j), & FLHC(ims,j),FLQC(ims,j),QGH(ims,j), & QSFC(ims,j),LH(ims,j), & GZ1OZ0(ims,j),WSPD(ims,j),BR(ims,j),ISFFLX,DX, & SVP1,SVP2,SVP3,SVPT0,EP1,EP2,KARMAN, & itimestep, & ids,ide, jds,jde, kds,kde, & ims,ime, jms,jme, kms,kme, & its,ite, jts,jte, kts,kte ) ENDDO END SUBROUTINE PXSFCLAY SUBROUTINE PXSFCLAY1D(J,US,VS,T1D,THETA1,QV1D,P1D,dz8w1d, & CP,G,ROVCP,R,XLV,PSFCPA,CHS,CHS2,CQS2,CPM,PBLH,RMOL, & ZNT,UST,MAVAIL,ZOL,MOL,REGIME,PSIM,PSIH, & XLAND,HFX,QFX,TG, & U10,V10,FLHC,FLQC,QGH, & QSFC,LH,GZ1OZ0,WSPD,BR,ISFFLX,DX, & SVP1,SVP2,SVP3,SVPT0,EP1,EP2,KARMAN, & itimestep, & ids,ide, jds,jde, kds,kde, & ims,ime, jms,jme, kms,kme, & its,ite, jts,jte, kts,kte ) IMPLICIT NONE REAL, PARAMETER :: XKA=2.4E-5 REAL, PARAMETER :: PRT=1. INTEGER, INTENT(IN ) :: ids,ide, jds,jde, kds,kde, & ims,ime, jms,jme, kms,kme, & its,ite, jts,jte, kts,kte, & J INTEGER, INTENT(IN ) :: ISFFLX, ITIMESTEP REAL, INTENT(IN ) :: SVP1,SVP2,SVP3,SVPT0 REAL, INTENT(IN ) :: EP1,EP2,KARMAN REAL, DIMENSION( ims:ime ) , & INTENT(IN ) :: MAVAIL, & PBLH, & XLAND, & TG REAL, DIMENSION( ims:ime ) , & INTENT(IN ) :: PSFCPA REAL, DIMENSION( ims:ime ) , & INTENT(INOUT) :: REGIME, & HFX, & QFX, & MOL,RMOL REAL, DIMENSION( ims:ime ) , & INTENT(INOUT) :: GZ1OZ0,WSPD,BR, & PSIM,PSIH REAL, DIMENSION( ims:ime ) , & INTENT(INOUT) :: ZNT, & ZOL, & UST, & CPM, & CHS2, & CQS2, & CHS REAL, DIMENSION( ims:ime ) , & INTENT(INOUT) :: FLHC,FLQC REAL, DIMENSION( ims:ime ) , & INTENT(INOUT) :: & QGH,QSFC REAL, DIMENSION( ims:ime ) , & INTENT(OUT) :: U10,V10, & LH REAL, INTENT(IN ) :: CP,G,ROVCP,XLV,DX,R REAL, DIMENSION( its:ite ), INTENT(IN ) :: dz8w1d REAL, DIMENSION( its:ite ), INTENT(IN ) :: US, & VS, & QV1D, & P1D, & T1D, & THETA1 REAL, DIMENSION( its:ite ) :: ZA, & TH0, & THETAG, & WS, & RICUT, & USTM, & RA, & THETAV1, & MOLENGTH REAL, DIMENSION( its:ite ) :: & RHOX,GOVRTH REAL, DIMENSION( its:ite ) :: PSFC INTEGER :: KL INTEGER :: N,I,K,KK,L,NZOL,NK,NZOL2,NZOL10 REAL :: PL,THCON,TVCON,E1 REAL :: ZL,TSKV,DTHVDZ,DTHVM,VCONV,RZOL,RZOL2,RZOL10,ZOL2,ZOL10 REAL :: DTG,PSIX,DTTHX,PSIX10,PSIT,PSIT2,PSIQ,PSIQ2 REAL :: FLUXC,VSGD REAL :: XMOL,ZOBOL,Z10OL,ZNTOL,YNT,YOB,X1,X2 REAL :: G2OZ0,G10OZ0,RA2,ZOLL REAL :: TV0,CPOT,RICRITI,AM,AH,SQLNZZ0,RBH,RBW,TSTV REAL :: PSIH2, PSIM2, PSIH10, PSIM10, CQS,TMPVTCON,TST,QST DO i = its,ite PSFC(I) = PSFCPA(I)/1000. TVCON = 1.0 + EP1 * QV1D(I) THETAV1(I)= THETA1(I) * TVCON RHOX(I) = PSFCPA(I)/(R*T1D(I)*TVCON) ENDDO DO I=its,ite IF (TG(I) .LT. 273.15) THEN E1=SVP1*EXP(4648*(1./273.15 - 1./TG(I)) - & & 11.64*LOG(273.15/TG(I)) + 0.02265*(273.15 - TG(I))) ELSE E1=SVP1*EXP( SVP2*(TG(I)-SVPT0)/(TG(I)-SVP3) ) ENDIF IF (xland(i).gt.1.5 .or. QSFC(i).le.0.0.or.itimestep.eq.1) THEN QSFC(I)=EP2*E1/(PSFC(I)-E1) ENDIF E1=SVP1*EXP(SVP2*(T1D(I)-SVPT0)/(T1D(I)-SVP3)) PL = P1D(I)/1000. QGH(I)=EP2*E1/(PL-E1) CPM(I)=CP*(1.+0.8*QV1D(I)) ENDDO DO I = its, ite TV0 = TG(I) * (1.0 + EP1 * QSFC(I)) CPOT = (100./PSFC(I))**ROVCP TH0(I) = TV0 * CPOT THETAG(I) = CPOT * TG(I) ENDDO DO I = its,ite ZA(I) = 0.5 * DZ8W1D(I) WS(I) = SQRT(US(I) * US(I) + VS(I) * VS(I)) ENDDO RICRITI = 1.0 / RICRIT DO i = its,ite GZ1OZ0(I) = ALOG(ZA(I) / ZNT(I)) DTHVDZ = THETAV1(I) - TH0(I) fluxc = max(hfx(i)/rhox(i)/cp & + ep1*TH0(I)*qfx(i)/rhox(i),0.) VCONV = vconvc*(g/tg(i)*pblh(i)*fluxc)**.33 VSGD = 0.32 * (max(dx/5000.-1.,0.))**.33 WSPD(I)=SQRT(WS(I)*WS(I)+VCONV*VCONV+vsgd*vsgd) WSPD(I) = AMAX1(WSPD(I),0.1) GOVRTH(I) = G / THETA1(I) BR(I) = GOVRTH(I) * ZA(I) * DTHVDZ / (WSPD(I) * WSPD(I)) RICUT(I) = 1.0 / (RICRITI + GZ1OZ0(I)) ENDDO DO I = its,ite ZOLL = 0.0 IF (BR(I) .GE. RICUT(I)) THEN REGIME(I) = 1.0 ZOLL = BR(I) * GZ1OZ0(I) / (1.0 - RICRITI * RICUT(I)) PSIM(I) = 1.0 - BETAM - ZOLL PSIH(I) = 1.0 - BETAH - ZOLL ELSE IF (BR(I) .GE. 0.0) THEN REGIME(I) = 2.0 ZOLL = BR(I) * GZ1OZ0(I) / (1.0 - RICRITI * BR(I)) PSIM(I) = -BETAM * ZOLL PSIH(I) = -BETAH * ZOLL ELSE REGIME(I) = 3.0 AM = 0.031 + 0.276 * ALOG(GZ1OZ0(I)) AH = 0.04 + 0.355 * ALOG(GZ1OZ0(I)) SQLNZZ0 = SQRT(GZ1OZ0(I)) PSIM(I) = AM * ALOG(1.0 - BM * SQLNZZ0 * BR(I)) PSIH(I) = AH * ALOG(1.0 - BH * SQLNZZ0 * BR(I)) ENDIF ENDDO DO I = its,ite DTG = THETA1(I) - THETAG(I) PSIX = GZ1OZ0(I) - PSIM(I) UST(I)=0.5*UST(I)+0.5*KARMAN*WSPD(I)/PSIX USTM(I) = UST(I) IF ((XLAND(I)-1.5) .GE. 0.0) THEN ZNT(I) = CZO * USTM(I) * USTM(I) / G + OZO GZ1OZ0(I) = ALOG(ZA(I) / ZNT(I)) PSIX = GZ1OZ0(I) - PSIM(I) UST(I) = KARMAN * WSPD(I) / PSIX USTM(I) = UST(I) ENDIF RA(I) = PR0 * (GZ1OZ0(I) - PSIH(I)) / (KARMAN * UST(I)) RBH = 5.0 / UST(I) RBW = 4.503/UST(I) CHS(I) = 1./(RA(I) + RBH) CQS = 1./(RA(I) + RBW) MOL(I) = DTG * CHS(I) / UST(I) TMPVTCON = 1.0 + EP1 * QV1D(i) TST = DTG * CHS(I)/UST(i) TSTV = (THETAV1(I) - TH0(I)) * CHS(I) / UST(I) IF (ABS(TSTV) .LT. 1.E-5) TSTV = 1.E-5 MOLENGTH(I) = THETAV1(I) * UST(I) * UST(I) / (KARMAN * G * TSTV) XMOL = MOLENGTH(I) IF(MOLENGTH(I).GT.0.0) XMOL = AMAX1(MOLENGTH(I),2.0) RMOL(I) = 1/XMOL ZOL(I) = ZA(I)*RMOL(I) ZOBOL = 1.5*RMOL(I) Z10OL = 10.0*RMOL(I) ZNTOL = ZNT(I)*RMOL(I) IF(XMOL.LT.0.0) THEN YNT = ( 1.0 - GAMAH * ZNTOL )**0.5 YOB = ( 1.0 - GAMAH * ZOBOL )**0.5 PSIH2 = 2. * ALOG((YOB+1.0)/(YNT+1.0)) x1 = (1.0 - gamam * z10ol)**0.25 x2 = (1.0 - gamam * zntol)**0.25 psim10 = 2.0 * ALOG( (1.0+x1) / (1.0+x2) ) + & ALOG( (1.0+x1*x1) / (1.0+x2*x2)) - & 2.0 * ATAN(x1) + 2.0 * ATAN(x2) ELSE IF((ZOBOL-ZNTOL).LE.1.0) THEN PSIH2 = -BETAH*(ZOBOL-ZNTOL) ELSE PSIH2 = 1.-BETAH-(ZOBOL-ZNTOL) ENDIF IF((Z10OL-ZNTOL).LE.1.0) THEN PSIM10 = -BETAM*(Z10OL-ZNTOL) ELSE PSIM10 = 1.-BETAM-(Z10OL-ZNTOL) ENDIF ENDIF G2OZ0 = ALOG(1.5 / ZNT(I)) G10OZ0 = ALOG(10.0 / ZNT(I)) RA2 = PR0 * (G2OZ0 - PSIH2) / (KARMAN * UST(I)) CHS2(I) = 1.0/(RA2 + RBH) CQS2(I) = 1.0/(RA2 + RBW) U10(I) = US(I)*(G10OZ0-PSIM10)/PSIX V10(I) = VS(I)*(G10OZ0-PSIM10)/PSIX FLHC(i)=CPM(I)*RHOX(I)*CHS(I) FLQC(i)=RHOX(I)*CQS*MAVAIL(I) QFX(I)=FLQC(I)*(QSFC(I)-QV1D(I)) QFX(I)=AMAX1(QFX(I),0.) LH(I)=XLV*QFX(I) IF(XLAND(I)-1.5.GT.0.)THEN HFX(I)=-FLHC(I)*DTG ELSEIF(XLAND(I)-1.5.LT.0.)THEN HFX(I)=-FLHC(I)*DTG HFX(I)=AMAX1(HFX(I),-250.) ENDIF ENDDO END SUBROUTINE PXSFCLAY1D SUBROUTINE pxsfclayinit( allowed_to_read ) LOGICAL , INTENT(IN) :: allowed_to_read INTEGER :: N REAL :: ZOLN,X,Y END SUBROUTINE pxsfclayinit END MODULE module_sf_pxsfclay