!----------------------------------------------------------------------- ! MODULE MODULE_SF_JSFC ! !----------------------------------------------------------------------- ! !*** THE J SURFACE SCHEME ! !----------------------------------------------------------------------- ! USE MODULE_KINDS ! USE MODULE_CONSTANTS,ONLY : A2,A3,A4,CP,ELWV & ,G,P608,PI,PQ0,R_D,R_V,CAPPA ! !----------------------------------------------------------------------- ! IMPLICIT NONE ! !----------------------------------------------------------------------- ! PRIVATE ! PUBLIC :: JSFC_INIT,JSFC ! INTEGER :: ITRMX=5 ! Iteration count for mixing length computation ! REAL,PARAMETER :: VKARMAN=0.4 REAL,PARAMETER :: XLV=ELWV REAL,PARAMETER :: ELOCP=2.72E6/CP REAL,PARAMETER :: A2S=17.2693882,A3S=273.16,A4S=35.86 REAL,PARAMETER :: GLKBR=10.,GLKBS=30. & ,QVISC=2.1E-5,RIC=0.505,SMALL=0.35 & ,SQPR=0.84,SQSC=0.84,SQVISC=258.2 & ,TVISC=2.1E-5 & ,USTC=0.7,USTR=0.225,VISC=1.5E-5 & ,WWST=1.2,ZTFC=1. REAL,PARAMETER :: SEAFC=0.98,PQ0SEA=PQ0*SEAFC REAL,PARAMETER :: CZIV=SMALL*GLKBS,GRRS=GLKBR/GLKBS REAL,PARAMETER :: RTVISC=1./TVISC,RVISC=1./VISC & ,ZQRZT=SQSC/SQPR REAL,PARAMETER :: USTFC=0.018/G & ,FZQ1=RTVISC*QVISC*ZQRZT & ,FZQ2=RTVISC*QVISC*ZQRZT & ,FZT1=RVISC *TVISC*SQPR & ,FZT2=CZIV*GRRS*TVISC*SQPR & ,FZU1=CZIV*VISC REAL,PARAMETER :: WWST2=WWST*WWST & ,RQVISC=1./QVISC REAL,PARAMETER :: RCAP=1./CAPPA REAL,PARAMETER :: GOCP02=G/CP*2.,GOCP10=G/CP*10. REAL,PARAMETER :: EPSU2=1.E-6,EPSUST=1.E-9,EPSZT=1.E-28 REAL,PARAMETER :: CZIL=0.1,EXCML=0.0001,EXCMS=0.0001 & & ,FH=1.10,TOPOFAC=9.0e-6 REAL,PARAMETER :: ZILFC=-CZIL*VKARMAN*SQVISC ! !----------------------------------------------------------------------- INTEGER, PARAMETER :: KZTM=10001,KZTM2=KZTM-2 ! REAL :: DZETA1,DZETA2,FH01,FH02,ZTMAX1,ZTMAX2,ZTMIN1,ZTMIN2 ! REAL,DIMENSION(KZTM) :: PSIH1,PSIH2,PSIM1,PSIM2 ! INTEGER :: IERR ! !----------------------------------------------------------------------- ! CONTAINS ! !----------------------------------------------------------------------- !&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& !----------------------------------------------------------------------- SUBROUTINE JSFC(NTSD,EPSQ2,HT,DZ & & ,PHMID,PHINT,TH,T,Q,QC,U,V,Q2 & & ,TSK,QSFC,THZ0,QZ0,UZ0,VZ0 & & ,XLAND & & ,VEGFRC,SNOWC & !added 5/17/2013 & ,USTAR,Z0,Z0BASE,PBLH,RMOL & & ,AKHS,AKMS & & ,CHS,CHS2,CQS2,HFX,QFX,FLX_LH,FLHC,FLQC & & ,QGH,CPM,CT & & ,U10,V10,T02,TH02,TSHLTR,TH10,Q02,QSHLTR,Q10 & & ,PSHLTR,RIB & ! Added Bulk Richardson No. & ,IMS,IME,JMS,JME,LM) !---------------------------------------------------------------------- ! IMPLICIT NONE ! !---------------------------------------------------------------------- INTEGER,INTENT(IN) :: IMS,IME,JMS,JME,LM ! INTEGER,INTENT(IN) :: NTSD real,dimension(1:lm),intent(in):: epsq2 ! REAL,DIMENSION(IMS:IME,JMS:JME),INTENT(IN) :: HT,TSK & & ,XLAND,Z0BASE & & ,VEGFRC,SNOWC ! REAL,DIMENSION(IMS:IME,JMS:JME,1:LM),INTENT(IN) :: DZ,PHMID ! REAL,DIMENSION(IMS:IME,JMS:JME,1:LM+1),INTENT(IN) :: PHINT ! REAL,DIMENSION(IMS:IME,JMS:JME,1:LM),INTENT(IN) :: Q,QC,U,V,Q2,T,TH ! REAL,DIMENSION(IMS:IME,JMS:JME),INTENT(OUT) :: FLX_LH,HFX,PSHLTR & & ,QFX,Q10,QSHLTR & & ,TH10,TSHLTR,T02 & & ,U10,V10,TH02,Q02 ! REAL,DIMENSION(IMS:IME,JMS:JME),INTENT(INOUT) :: AKHS,AKMS & & ,PBLH,QSFC,RIB ! REAL,DIMENSION(IMS:IME,JMS:JME),INTENT(INOUT) :: QZ0,RMOL,THZ0 & & ,USTAR,UZ0,VZ0 & & ,Z0 ! REAL,DIMENSION(IMS:IME,JMS:JME),INTENT(OUT) :: CHS,CHS2,CQS2 & & ,CPM,CT,FLHC,FLQC & & ,QGH !---------------------------------------------------------------------- !*** !*** LOCAL VARIABLES !*** INTEGER :: I,J,K,LMH,LPBL ! REAL :: A,APESFC,B,BTGX,CWMLOW & & ,DQDT,DTDIF,DTDT,DUDT,DVDT & & ,FIS & & ,P02P,P10P,PLOW,PSFC,PTOP,QLOW,QS02,QS10 & & ,RAPA,RAPA02,RAPA10,RATIOMX,RDZ,SEAMASK,SM & & ,T02P,T10P,TEM,TH02P,TH10P,THLOW,THELOW,THM & & ,TLOW,TZ0,ULOW,VLOW,ZSL ! REAL,DIMENSION(LM) :: CWMK,PK,Q2K,QK,THEK,THK,TK,UK,VK ! REAL,DIMENSION(LM-1) :: EL,ELM ! REAL,DIMENSION(LM+1) :: ZHK ! REAL,DIMENSION(IMS:IME,JMS:JME) :: THSK ! REAL,DIMENSION(IMS:IME,JMS:JME,LM+1) :: ZINT ! !---------------------------------------------------------------------- !********************************************************************** !---------------------------------------------------------------------- ! !*** MAKE PREPARATIONS ! !---------------------------------------------------------------------- DO K=1,LM+1 DO J=JMS,JME DO I=IMS,IME ZINT(I,J,K)=0. ENDDO ENDDO ENDDO ! DO J=JMS,JME DO I=IMS,IME ZINT(I,J,LM+1)=HT(I,J) ! Z at bottom of lowest sigma layer PBLH(I,J)=-1. ! !!!!!!!!! !!!!!! UNCOMMENT THESE LINES IF USING ETA COORDINATES !!!!!!!!! !!!!!! ZINT(I,J,LM+1)=1.E-4 ! Z of bottom of lowest eta layer !!!!!! ZHK(LM+1)=1.E-4 ! Z of bottom of lowest eta layer ! ENDDO ENDDO ! DO K=LM,1,-1 DO J=JMS,JME DO I=IMS,IME ZINT(I,J,K)=ZINT(I,J,K+1)+DZ(I,J,K) ENDDO ENDDO ENDDO ! IF(NTSD==0) then DO J=JMS,JME DO I=IMS,IME USTAR(I,J)=0.1 FIS=HT(I,J)*G SM=XLAND(I,J)-1. !!! Z0(I,J)=SM*Z0SEA+(1.-SM)*(Z0(I,J)*Z0MAX+FIS*FCM+Z0LAND) !!! Z0(I,J)=SM*Z0SEA+(1.-SM)*(Z0(I,J)*Z0MAX+FIS*FCM+Z0LAND) ENDDO ENDDO ENDIF ! !!!! IF(NTSD==1)THEN DO J=JMS,JME DO I=IMS,IME CT(I,J)=0. ENDDO ENDDO !!!! ENDIF ! !...................................................................... !$omp parallel do & !$omp private (j,i,lmh,ptop,psfc,seamask,k,thk,tk,ratiomx,qk,pk, & !$omp cwmk,thek,q2k,zhk,uk,vk,lpbl,plow,tlow,thlow,thelow, & !$omp qlow,cwmlow,ulow,vlow,zsl,apesfc,tz0,rapa,th02p,th10p, & !$omp rapa02,rapa10,t02p,t10p,p02p,p10p,qs02,qs10) !...................................................................... !---------------------------------------------------------------------- setup_integration: DO J=JMS,JME !---------------------------------------------------------------------- ! DO I=IMS,IME ! !*** LOWEST LAYER ABOVE GROUND MUST BE FLIPPED ! LMH=LM ! PTOP=PHINT(I,J,1) PSFC=PHINT(I,J,LMH+1) ! Define THSK here (for first timestep mostly) THSK(I,J)=TSK(I,J)/(PSFC*1.E-5)**CAPPA ! !*** CONVERT LAND MASK (1 FOR SEA; 0 FOR LAND) ! SEAMASK=XLAND(I,J)-1. ! !*** FILL 1-D VERTICAL ARRAYS ! DO K=LM,1,-1 THK(K)=TH(I,J,K) TK(K)=T(I,J,K) QK(K)=Q(I,J,K) PK(K)=PHMID(I,J,K) CWMK(K)=QC(I,J,K) THEK(K)=(CWMK(K)*(-ELOCP/TK(K))+1.)*THK(K) Q2K(K)=Q2(I,J,K) ! ! !*** COMPUTE THE HEIGHTS OF THE LAYER INTERFACES ! ZHK(K)=ZINT(I,J,K) ! ENDDO ZHK(LM+1)=HT(I,J) ! Z at bottom of lowest sigma layer ! DO K=LM,1,-1 UK(K)=U(I,J,K) VK(K)=V(I,J,K) ENDDO ! !*** FIND THE HEIGHT OF THE PBL ! LPBL=LMH DO K=LMH-1,1,-1 IF(Q2K(K)<=EPSQ2(K)*FH) THEN LPBL=K GO TO 110 ENDIF ENDDO ! LPBL=1 ! !----------------------------------------------------------------------- !--------------THE HEIGHT OF THE PBL------------------------------------ !----------------------------------------------------------------------- ! 110 PBLH(I,J)=ZHK(LPBL)-ZHK(LMH+1) ! !---------------------------------------------------------------------- !*** !*** FIND THE SURFACE EXCHANGE COEFFICIENTS !*** !---------------------------------------------------------------------- PLOW=PK(LMH) TLOW=TK(LMH) THLOW=THK(LMH) THELOW=THEK(LMH) QLOW=QK(LMH) CWMLOW=CWMK(LMH) ULOW=UK(LMH) VLOW=VK(LMH) ZSL=(ZHK(LMH)-ZHK(LMH+1))*0.5 APESFC=(PSFC*1.E-5)**CAPPA if(NTSD==0) then TZ0=TSK(I,J) else TZ0=THZ0(I,J)*APESFC endif ! CALL SFCDIF(NTSD,SEAMASK,THSK(I,J),QSFC(I,J),PSFC & & ,UZ0(I,J),VZ0(I,J),TZ0,THZ0(I,J),QZ0(I,J) & & ,USTAR(I,J),Z0(I,J),Z0BASE(I,J),CT(I,J),RMOL(I,J) & & ,AKMS(I,J),AKHS(I,J),PBLH(I,J) & & ,CHS(I,J),CHS2(I,J),CQS2(I,J) & & ,HFX(I,J),QFX(I,J),FLX_LH(I,J) & & ,FLHC(I,J),FLQC(I,J),QGH(I,J),CPM(I,J) & & ,ULOW,VLOW,TLOW,THLOW,THELOW,QLOW,CWMLOW & & ,ZSL,PLOW & & ,VEGFRC(I,J),SNOWC(I,J) & !added 5/17/2013 & ,U10(I,J),V10(I,J),TSHLTR(I,J),TH10(I,J) & & ,QSHLTR(I,J),Q10(I,J),PSHLTR(I,J) & & ,IMS,IME,JMS,JME,LM & & ,I,J,ZHK(LMH+1),RIB(I,J)) ! Added Bulk Richardson No. ! !*** REMOVE SUPERATURATION AT 2M AND 10M ! RAPA=APESFC TH02P=TSHLTR(I,J) TH10P=TH10(I,J) TH02(I,J)=TSHLTR(I,J) ! RAPA02=RAPA-GOCP02/TH02P RAPA10=RAPA-GOCP10/TH10P ! T02P=TH02P*RAPA02 T10P=TH10P*RAPA10 ! 1 may 06 tgs T02(I,J) = T02P T02(I,J) = TH02(I,J)*APESFC ! P02P=(RAPA02**RCAP)*1.E5 P10P=(RAPA10**RCAP)*1.E5 ! QS02=PQ0/P02P*EXP(A2*(T02P-A3)/(T02P-A4)) QS10=PQ0/P10P*EXP(A2*(T10P-A3)/(T10P-A4)) ! IF(QSHLTR(I,J)>QS02)QSHLTR(I,J)=QS02 IF(Q10 (I,J)>QS10)Q10 (I,J)=QS10 Q02(I,J)=QSHLTR(I,J)/(1.-QSHLTR(I,J)) !---------------------------------------------------------------------- ! ENDDO ! !---------------------------------------------------------------------- ! ENDDO setup_integration ! !...................................................................... !$omp end parallel do !...................................................................... !---------------------------------------------------------------------- END SUBROUTINE JSFC !XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX !---------------------------------------------------------------------- SUBROUTINE SFCDIF(NTSD,SEAMASK,THS,QS,PSFC & & ,UZ0,VZ0,TZ0,THZ0,QZ0 & & ,USTAR,Z0,Z0BASE,CT,RLMO,AKMS,AKHS,PBLH & & ,CHS,CHS2,CQS2,HFX,QFX,FLX_LH,FLHC,FLQC,QGH,CPM & & ,ULOW,VLOW,TLOW,THLOW,THELOW,QLOW,CWMLOW & & ,ZSL,PLOW & & ,VEGF,SNOC & & ,U10,V10,TH02,TH10,Q02,Q10,PSHLTR & & ,IMS,IME,JMS,JME,LM & & ,I,J,ZSFC,RIB) ! **************************************************************** ! * * ! * SURFACE LAYER * ! * * ! **************************************************************** !---------------------------------------------------------------------- ! IMPLICIT NONE ! !---------------------------------------------------------------------- INTEGER,INTENT(IN) :: IMS,IME,JMS,JME,LM,I,J ! INTEGER,INTENT(IN) :: NTSD ! REAL,INTENT(IN) :: CWMLOW,PBLH,PLOW,QLOW,PSFC,SEAMASK,ZSFC & & ,THELOW,THLOW,THS,TLOW,TZ0,ULOW,VLOW,ZSL & & ,Z0BASE,VEGF,SNOC ! REAL,INTENT(OUT) :: CHS,CHS2,CPM,CQS2,CT,FLHC,FLQC,FLX_LH,HFX & & ,RIB,PSHLTR,Q02,Q10,QFX,QGH,RLMO,TH02,TH10,U10,V10 ! REAL,INTENT(INOUT) :: AKHS,AKMS,QZ0,THZ0,USTAR,UZ0,VZ0,Z0,QS !---------------------------------------------------------------------- !*** !*** LOCAL VARIABLES !*** INTEGER :: ITR,K ! REAL :: A,B,BTGH,BTGX,CXCHL,CXCHS,DTHV,DU2,ELFC,FCT & & ,HLFLX,HSFLX,HV,PSH02,PSH10,PSHZ,PSHZL,PSM10,PSMZ,PSMZL & & ,RDZ,RDZT,RLMA,RLMN,RLMP & & ,RLOGT,RLOGU,RWGH,RZ,RZST,RZSU,SIMH,SIMM,TEM,THM & & ,UMFLX,USTARK,VMFLX,WGHT,WGHTT,WGHTQ,WSTAR2 & & ,X,XLT,XLT4,XLU,XLU4,XT,XT4,XU,XU4,ZETALT,ZETALU & & ,ZETAT,ZETAU,ZQ,ZSLT,ZSLU,ZT,ZU,TOPOTERM,ZZIL,CZETMAX,WETM !vcw ! !*** DIAGNOSTICS ! REAL :: AKHS02,AKHS10,AKMS02,AKMS10,EKMS10,QSAT10,QSAT2 & & ,RLNT02,RLNT10,RLNU10,SIMH02,SIMH10,SIMM10,T02,T10 & & ,TERM1,RLOW,U10E,V10E,WSTAR,XLT02,XLT024,XLT10 & & ,XLT104,XLU10,XLU104,XU10,XU104,ZT02,ZT10,ZTAT02,ZTAT10 & & ,ZTAU,ZTAU10,ZU10,ZUUZ ! REAL :: ZILFC1,SNOWZO, Zom_ztmax !---------------------------------------------------------------------- !********************************************************************** !---------------------------------------------------------------------- WETM=1. RDZ=1./ZSL CXCHL=EXCML*RDZ CXCHS=EXCMS*RDZ ! BTGX=G/THLOW ELFC=VKARMAN*BTGX ! IF(PBLH>1000.)THEN BTGH=BTGX*PBLH ELSE BTGH=BTGX*1000. ENDIF ! !---------------------------------------------------------------------- ! !*** SEA POINTS ! !---------------------------------------------------------------------- ! IF(SEAMASK>0.5)THEN ! !---------------------------------------------------------------------- DO ITR=1,ITRMX !---------------------------------------------------------------------- Z0=MAX(USTFC*USTAR*USTAR,1.59E-5) ! !*** VISCOUS SUBLAYER, JANJIC MWR 1994 ! !---------------------------------------------------------------------- IF(USTAR0)THEN THZ0=((WGHTT*THLOW+THS)/(WGHTT+1.)+THZ0)*0.5 QZ0=((WGHTQ*QLOW+QS)/(WGHTQ+1.)+QZ0)*0.5 ELSE THZ0=(WGHTT*THLOW+THS)/(WGHTT+1.) QZ0=(WGHTQ*QLOW+QS)/(WGHTQ+1.) ENDIF ! ENDIF ! IF(USTAR>=USTR.AND.USTAR0)THEN THZ0=((WGHTT*THLOW+THS)/(WGHTT+1.)+THZ0)*0.5 QZ0=((WGHTQ*QLOW+QS)/(WGHTQ+1.)+QZ0)*0.5 ELSE THZ0=(WGHTT*THLOW+THS)/(WGHTT+1.) QZ0=(WGHTQ*QLOW+QS)/(WGHTQ+1.) ENDIF ! ENDIF !---------------------------------------------------------------------- ELSE !---------------------------------------------------------------------- ZU=Z0 UZ0=0. VZ0=0. ! ZT=Z0 THZ0=THS ! ZQ=Z0 QZ0=QS !---------------------------------------------------------------------- ENDIF !---------------------------------------------------------------------- TEM=(TLOW+TZ0)*0.5 THM=(THELOW+THZ0)*0.5 ! A=THM*P608 B=(ELOCP/TEM-1.-P608)*THM ! DTHV=((THELOW-THZ0)*((QLOW+QZ0+CWMLOW)*(0.5*P608)+1.) & & +(QLOW-QZ0+CWMLOW)*A+CWMLOW*B) ! DU2=MAX((ULOW-UZ0)**2+(VLOW-VZ0)**2,EPSU2) RIB=BTGX*DTHV*ZSL/DU2 !---------------------------------------------------------------------- ! IF(RIB>=RIC)THEN !---------------------------------------------------------------------- ! AKMS=MAX( VISC*RDZ,CXCHS) ! AKHS=MAX(TVISC*RDZ,CXCHS) !---------------------------------------------------------------------- ! ELSE ! turbulent branch !---------------------------------------------------------------------- ZSLU=ZSL+ZU ZSLT=ZSL+ZT ! RZSU=ZSLU/ZU RZST=ZSLT/ZT ! RLOGU=LOG(RZSU) RLOGT=LOG(RZST) ! !---------------------------------------------------------------------- !*** 1./MONIN-OBUKHOV LENGTH !---------------------------------------------------------------------- ! RLMO=ELFC*AKHS*DTHV/USTAR**3 ! ZETALU=ZSLU*RLMO ZETALT=ZSLT*RLMO ZETAU=ZU*RLMO ZETAT=ZT*RLMO ! ZETALU=MIN(MAX(ZETALU,ZTMIN1),ZTMAX1) ZETALT=MIN(MAX(ZETALT,ZTMIN1),ZTMAX1) ZETAU=MIN(MAX(ZETAU,ZTMIN1/RZSU),ZTMAX1/RZSU) ZETAT=MIN(MAX(ZETAT,ZTMIN1/RZST),ZTMAX1/RZST) ! !---------------------------------------------------------------------- !*** WATER FUNCTIONS !---------------------------------------------------------------------- ! RZ=(ZETAU-ZTMIN1)/DZETA1 K=INT(RZ) RDZT=RZ-REAL(K) K=MIN(K,KZTM2) K=MAX(K,0) PSMZ=(PSIM1(K+2)-PSIM1(K+1))*RDZT+PSIM1(K+1) ! RZ=(ZETALU-ZTMIN1)/DZETA1 K=INT(RZ) RDZT=RZ-REAL(K) K=MIN(K,KZTM2) K=MAX(K,0) PSMZL=(PSIM1(K+2)-PSIM1(K+1))*RDZT+PSIM1(K+1) ! SIMM=PSMZL-PSMZ+RLOGU ! RZ=(ZETAT-ZTMIN1)/DZETA1 K=INT(RZ) RDZT=RZ-REAL(K) K=MIN(K,KZTM2) K=MAX(K,0) PSHZ=(PSIH1(K+2)-PSIH1(K+1))*RDZT+PSIH1(K+1) ! RZ=(ZETALT-ZTMIN1)/DZETA1 K=INT(RZ) RDZT=RZ-REAL(K) K=MIN(K,KZTM2) K=MAX(K,0) PSHZL=(PSIH1(K+2)-PSIH1(K+1))*RDZT+PSIH1(K+1) ! SIMH=(PSHZL-PSHZ+RLOGT)*FH01 !---------------------------------------------------------------------- USTARK=USTAR*VKARMAN if(abs(simm)<1.e-10.or.abs(simh)<1.e-10)then write(0,*)' simm=',simm,' simh=',simh,' at i=',i,' j=',j endif AKMS=MAX(USTARK/SIMM,CXCHS) AKHS=MAX(USTARK/SIMH,CXCHS) ! !---------------------------------------------------------------------- !*** BELJAARS CORRECTION FOR USTAR !---------------------------------------------------------------------- ! IF(DTHV<=0.)THEN !zj WSTAR2=WWST2*ABS(BTGH*AKHS*DTHV)**(2./3.) !zj ELSE !zj WSTAR2=0. !zj ENDIF !zj USTAR=MAX(SQRT(AKMS*SQRT(DU2+WSTAR2)),EPSUST) ! !---------------------------------------------------------------------- ! ENDIF ! End of turbulent branch !---------------------------------------------------------------------- ! ENDDO ! End of the iteration loop over sea points ! !---------------------------------------------------------------------- ! !*** LAND POINTS ! !---------------------------------------------------------------------- ! ELSE ! !---------------------------------------------------------------------- IF(NTSD==0)THEN QS=QLOW ENDIF ! ZU=Z0 UZ0=0. VZ0=0. ! ZT=ZU*ZTFC THZ0=THS ! ZQ=ZT QZ0=QS !---------------------------------------------------------------------- TEM=(TLOW+TZ0)*0.5 THM=(THELOW+THZ0)*0.5 ! A=THM*P608 B=(ELOCP/TEM-1.-P608)*THM ! DTHV=((THELOW-THZ0)*((QLOW+QZ0+CWMLOW)*(0.5*P608)+1.) & & +(QLOW-QZ0+CWMLOW)*A+CWMLOW*B) ! DU2=MAX((ULOW-UZ0)**2+(VLOW-VZ0)**2,EPSU2) RIB=BTGX*DTHV*ZSL/DU2 !---------------------------------------------------------------------- ! IF(RIB>=RIC)THEN ! AKMS=MAX( VISC*RDZ,CXCHL) ! AKHS=MAX(TVISC*RDZ,CXCHL) !---------------------------------------------------------------------- ! ELSE ! Turbulent branch !---------------------------------------------------------------------- ZSLU=ZSL+ZU ! RZSU=ZSLU/ZU ! RLOGU=LOG(RZSU) ZSLT=ZSL+ZU ! u,v and t are at the same level !---------------------------------------------------------------------- ! ! !mp Remove Topo modification of ZILFC term ! ! TOPOTERM=TOPOFAC*ZSFC**2. ! TOPOTERM=MAX(TOPOTERM,3.0) ! !vcw ! RIB modification to ZILFC term ! 7/29/2009 V Wong recommends 5, change pending ! CZETMAX = 10. ! stable IF(DTHV>0.)THEN IF (RIB0.)THEN ! FCT=-10.*(BTGX)**(-1./3.) ! CT=FCT*(HV/(PBLH*PBLH))**(2./3.) ! ELSE CT=0. ! ENDIF ! !---------------------------------------------------------------------- !---------------------------------------------------------------------- !*** THE FOLLOWING DIAGNOSTIC BLOCK PRODUCES 2-m and 10-m VALUES !*** FOR TEMPERATURE, MOISTURE, AND WINDS. IT IS DONE HERE SINCE !*** THE VARIOUS QUANTITIES NEEDED FOR THE COMPUTATION ARE LOST !*** UPON EXIT FROM THE ROTUINE. !---------------------------------------------------------------------- !---------------------------------------------------------------------- ! WSTAR=SQRT(WSTAR2)/WWST ! UMFLX=AKMS*(ULOW -UZ0 ) VMFLX=AKMS*(VLOW -VZ0 ) HSFLX=AKHS*(THLOW-THZ0) HLFLX=AKHS*(QLOW -QZ0 ) !---------------------------------------------------------------------- ! IF(RIB>=RIC)THEN !---------------------------------------------------------------------- ! IF(SEAMASK>0.5)THEN ! AKMS10=MAX( VISC/10.,CXCHS) ! AKHS02=MAX(TVISC/02.,CXCHS) ! AKHS10=MAX(TVISC/10.,CXCHS) ! ELSE ! AKMS10=MAX( VISC/10.,CXCHL) ! AKHS02=MAX(TVISC/02.,CXCHL) ! AKHS10=MAX(TVISC/10.,CXCHL) ! ENDIF !---------------------------------------------------------------------- ! ELSE !---------------------------------------------------------------------- ZU10=ZU+10. ZT02=ZT+02. ZT10=ZT+10. ! RLNU10=LOG(ZU10/ZU) RLNT02=LOG(ZT02/ZT) RLNT10=LOG(ZT10/ZT) ! ZTAU10=ZU10*RLMO ZTAT02=ZT02*RLMO ZTAT10=ZT10*RLMO ! !---------------------------------------------------------------------- !*** SEA !---------------------------------------------------------------------- ! IF(SEAMASK>0.5)THEN ! !---------------------------------------------------------------------- ZTAU10=MIN(MAX(ZTAU10,ZTMIN1),ZTMAX1) ZTAT02=MIN(MAX(ZTAT02,ZTMIN1),ZTMAX1) ZTAT10=MIN(MAX(ZTAT10,ZTMIN1),ZTMAX1) !---------------------------------------------------------------------- RZ=(ZTAU10-ZTMIN1)/DZETA1 K=INT(RZ) RDZT=RZ-REAL(K) K=MIN(K,KZTM2) K=MAX(K,0) PSM10=(PSIM1(K+2)-PSIM1(K+1))*RDZT+PSIM1(K+1) ! SIMM10=PSM10-PSMZ+RLNU10 ! RZ=(ZTAT02-ZTMIN1)/DZETA1 K=INT(RZ) RDZT=RZ-REAL(K) K=MIN(K,KZTM2) K=MAX(K,0) PSH02=(PSIH1(K+2)-PSIH1(K+1))*RDZT+PSIH1(K+1) ! SIMH02=(PSH02-PSHZ+RLNT02)*FH01 ! RZ=(ZTAT10-ZTMIN1)/DZETA1 K=INT(RZ) RDZT=RZ-REAL(K) K=MIN(K,KZTM2) K=MAX(K,0) PSH10=(PSIH1(K+2)-PSIH1(K+1))*RDZT+PSIH1(K+1) ! SIMH10=(PSH10-PSHZ+RLNT10)*FH01 ! AKMS10=MAX(USTARK/SIMM10,CXCHS) AKHS02=MAX(USTARK/SIMH02,CXCHS) AKHS10=MAX(USTARK/SIMH10,CXCHS) ! !---------------------------------------------------------------------- !*** LAND !---------------------------------------------------------------------- ! ELSE ! !---------------------------------------------------------------------- ZTAU10=MIN(MAX(ZTAU10,ZTMIN2),ZTMAX2) ZTAT02=MIN(MAX(ZTAT02,ZTMIN2),ZTMAX2) ZTAT10=MIN(MAX(ZTAT10,ZTMIN2),ZTMAX2) !---------------------------------------------------------------------- RZ=(ZTAU10-ZTMIN2)/DZETA2 K=INT(RZ) RDZT=RZ-REAL(K) K=MIN(K,KZTM2) K=MAX(K,0) PSM10=(PSIM2(K+2)-PSIM2(K+1))*RDZT+PSIM2(K+1) ! SIMM10=PSM10-PSMZ+RLNU10 ! RZ=(ZTAT02-ZTMIN2)/DZETA2 K=INT(RZ) RDZT=RZ-REAL(K) K=MIN(K,KZTM2) K=MAX(K,0) PSH02=(PSIH2(K+2)-PSIH2(K+1))*RDZT+PSIH2(K+1) ! SIMH02=(PSH02-PSHZ+RLNT02)*FH02 ! RZ=(ZTAT10-ZTMIN2)/DZETA2 K=INT(RZ) RDZT=RZ-REAL(K) K=MIN(K,KZTM2) K=MAX(K,0) PSH10=(PSIH2(K+2)-PSIH2(K+1))*RDZT+PSIH2(K+1) ! SIMH10=(PSH10-PSHZ+RLNT10)*FH02 ! AKMS10=USTARK/SIMM10 AKHS02=USTARK/SIMH02 AKHS10=USTARK/SIMH10 ! IF(AKMS10<=CXCHL) AKMS10=AKMS IF(AKHS02<=CXCHL) AKHS02=AKHS IF(AKHS10<=CXCHL) AKHS10=AKHS ! !---------------------------------------------------------------------- ENDIF !---------------------------------------------------------------------- ! ENDIF !---------------------------------------------------------------------- ! U10 =UMFLX/AKMS10+UZ0 V10 =VMFLX/AKMS10+VZ0 TH02=HSFLX/AKHS02+THZ0 TH10=HSFLX/AKHS10+THZ0 Q02 =HLFLX/AKHS02+QZ0 Q10 =HLFLX/AKHS10+QZ0 TERM1=-0.068283/TLOW PSHLTR=PSFC*EXP(TERM1) ! !---------------------------------------------------------------------- !*** COMPUTE "EQUIVALENT" Z0 TO APPROXIMATE LOCAL SHELTER READINGS. !---------------------------------------------------------------------- ! U10E=U10 V10E=V10 ! IF(SEAMASK<0.5)THEN !1st ZUUZ=MIN(0.5*ZU,0.1) !1st ZU=MAX(0.1*ZU,ZUUZ) !tst ZUUZ=amin1(ZU*0.50,0.3) !tst ZU=amax1(ZU*0.3,ZUUZ) ZUUZ=AMIN1(ZU*0.50,0.18) ZU=AMAX1(ZU*0.35,ZUUZ) ! ZU10=ZU+10. RZSU=ZU10/ZU RLNU10=LOG(RZSU) ZETAU=ZU*RLMO ZTAU10=ZU10*RLMO ZTAU10=MIN(MAX(ZTAU10,ZTMIN2),ZTMAX2) ZETAU=MIN(MAX(ZETAU,ZTMIN2/RZSU),ZTMAX2/RZSU) RZ=(ZTAU10-ZTMIN2)/DZETA2 K=INT(RZ) RDZT=RZ-REAL(K) K=MIN(K,KZTM2) K=MAX(K,0) PSM10=(PSIM2(K+2)-PSIM2(K+1))*RDZT+PSIM2(K+1) SIMM10=PSM10-PSMZ+RLNU10 EKMS10=MAX(USTARK/SIMM10,CXCHL) U10E=UMFLX/EKMS10+UZ0 V10E=VMFLX/EKMS10+VZ0 ENDIF ! U10=U10E V10=V10E ! !---------------------------------------------------------------------- !*** SET OTHER WRF DRIVER ARRAYS !---------------------------------------------------------------------- ! RLOW=PLOW/(R_D*TLOW) CHS=AKHS CHS2=AKHS02 CQS2=AKHS02 HFX=-RLOW*CP*HSFLX QFX=-RLOW*HLFLX*WETM FLX_LH=XLV*QFX FLHC=RLOW*CP*AKHS FLQC=RLOW*AKHS*WETM !!! QGH=PQ0/PSHLTR*EXP(A2S*(TSK-A3S)/(TSK-A4S)) QGH=((1.-SEAMASK)*PQ0+SEAMASK*PQ0SEA) & & /PLOW*EXP(A2S*(TLOW-A3S)/(TLOW-A4S)) CPM=CP*(1.+0.8*QLOW) ! !*** DO NOT COMPUTE QS OVER LAND POINTS HERE SINCE IT IS !*** A PROGNOSTIC VARIABLE THERE. IT IS OKAY TO USE IT !*** AS A DIAGNOSTIC OVER WATER SINCE IT WILL CAUSE NO !*** INTERFERENCE BEFORE BEING RECOMPUTED IN MYJPBL. ! IF(SEAMASK>0.5)THEN QS=QLOW+QFX/(RLOW*AKHS) QS=QS/(1.-QS) ENDIF !---------------------------------------------------------------------- ! END SUBROUTINE SFCDIF ! !---------------------------------------------------------------------- ! SUBROUTINE JSFC_INIT ! !---------------------------------------------------------------------- IMPLICIT NONE !---------------------------------------------------------------------- !*** LOCAL VARIABLES !---------------------------------------------------------------------- INTEGER :: K ! REAL :: X,ZETA1,ZETA2,ZRNG1,ZRNG2 ! REAL :: PIHF=3.1415926/2.,EPS=1.E-6 !---------------------------------------------------------------------- ! !*** COMPUTE SURFACE LAYER INTEGRAL FUNCTIONS ! !---------------------------------------------------------------------- FH01=1. FH02=1. ! ZTMIN1=-5.0 ZTMAX1=9.0 ZTMIN2=-5.0 ZTMAX2=9.0 ZRNG1=ZTMAX1-ZTMIN1 ZRNG2=ZTMAX2-ZTMIN2 ! DZETA1=ZRNG1/(KZTM-1) DZETA2=ZRNG2/(KZTM-1) ! !---------------------------------------------------------------------- !*** FUNCTION DEFINITION LOOP !---------------------------------------------------------------------- ! ZETA1=ZTMIN1 ZETA2=ZTMIN2 ! DO K=1,KZTM ! !---------------------------------------------------------------------- !*** UNSTABLE RANGE !---------------------------------------------------------------------- ! IF(ZETA1<0.)THEN ! !---------------------------------------------------------------------- !*** PAULSON 1970 FUNCTIONS !---------------------------------------------------------------------- X=SQRT(SQRT(1.-16.*ZETA1)) ! PSIM1(K)=-2.*LOG((X+1.)/2.)-LOG((X*X+1.)/2.)+2.*ATAN(X)-PIHF PSIH1(K)=-2.*LOG((X*X+1.)/2.) ! !---------------------------------------------------------------------- !*** STABLE RANGE !---------------------------------------------------------------------- ! ELSE ! !---------------------------------------------------------------------- !*** PAULSON 1970 FUNCTIONS !---------------------------------------------------------------------- ! ! PSIM1(K)=5.*ZETA1 ! PSIH1(K)=5.*ZETA1 !---------------------------------------------------------------------- !*** HOLTSLAG AND DE BRUIN 1988 !---------------------------------------------------------------------- ! PSIM1(K)=0.7*ZETA1+0.75*ZETA1*(6.-0.35*ZETA1)*EXP(-0.35*ZETA1) PSIH1(K)=0.7*ZETA1+0.75*ZETA1*(6.-0.35*ZETA1)*EXP(-0.35*ZETA1) !---------------------------------------------------------------------- ! ENDIF ! !---------------------------------------------------------------------- !*** UNSTABLE RANGE !---------------------------------------------------------------------- ! IF(ZETA2<0.)THEN ! !---------------------------------------------------------------------- !*** PAULSON 1970 FUNCTIONS !---------------------------------------------------------------------- ! X=SQRT(SQRT(1.-16.*ZETA2)) ! PSIM2(K)=-2.*LOG((X+1.)/2.)-LOG((X*X+1.)/2.)+2.*ATAN(X)-PIHF PSIH2(K)=-2.*LOG((X*X+1.)/2.) !---------------------------------------------------------------------- !*** STABLE RANGE !---------------------------------------------------------------------- ! ELSE ! !---------------------------------------------------------------------- !*** PAULSON 1970 FUNCTIONS !---------------------------------------------------------------------- ! ! PSIM2(K)=5.*ZETA2 ! PSIH2(K)=5.*ZETA2 ! !---------------------------------------------------------------------- !*** HOLTSLAG AND DE BRUIN 1988 !---------------------------------------------------------------------- ! PSIM2(K)=0.7*ZETA2+0.75*ZETA2*(6.-0.35*ZETA2)*EXP(-0.35*ZETA2) PSIH2(K)=0.7*ZETA2+0.75*ZETA2*(6.-0.35*ZETA2)*EXP(-0.35*ZETA2) !---------------------------------------------------------------------- ! ENDIF ! !---------------------------------------------------------------------- IF(K==KZTM)THEN ZTMAX1=ZETA1 ZTMAX2=ZETA2 ENDIF ! ZETA1=ZETA1+DZETA1 ZETA2=ZETA2+DZETA2 !---------------------------------------------------------------------- ENDDO !---------------------------------------------------------------------- ZTMAX1=ZTMAX1-EPS ZTMAX2=ZTMAX2-EPS !---------------------------------------------------------------------- ! END SUBROUTINE JSFC_INIT ! !---------------------------------------------------------------------- !&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& !----------------------------------------------------------------------- ! END MODULE MODULE_SF_JSFC ! !-----------------------------------------------------------------------