!----------------------------------------------------------------------- ! MODULE MODULE_PRECIP_ADJUST ! ! This module contains 3 subroutines: ! READPCP ! CHKSNOW ! ADJPPT !----------------------------------------------------------------------- !*** !*** Specify the diagnostic point here: (i,j) and the processor number. !*** Remember that in WRF, local and global (i,j) are the same, so don't !*** use the "local(i,j)" output from glb2loc.f; use the GLOBAL (I,J) !*** and the PE_WRF. !*** ! USE MODULE_DM_PARALLEL,ONLY : DSTRB INTEGER,PRIVATE,SAVE :: ITS_B1,ITE_B1,JTS_B2,JTE_B2 INTEGER :: ITEST=346,JTEST=256,TESTPE=53 !----------------------------------------------------------------------- ! CONTAINS ! !----------------------------------------------------------------------- SUBROUTINE READPCP(MYPE,MPI_COMM_COMP & ,PPTDAT,DDATA,LSPA,PCPHR & ,MY_DOMAIN_ID & ,IDS,IDE,JDS,JDE,LM & ,IMS,IME,JMS,JME & ,ITS,ITE,JTS,JTE & ,ITS_B1,ITE_B1,JTS_B2,JTE_B2) ! ! **************************************************************** ! * * ! * PRECIPITATION ASSIMILATION INITIALIZATION. * ! * READ IN PRECIP ANALYSIS AND DATA MASK AND SET UP ALL * ! * APPROPRIATE VARIABLES. * ! * MIKE BALDWIN, MARCH 1994 * ! * Adapted to 2-D code, Ying Lin, Mar 1996 * ! * For WRF/NMM: Y.Lin Mar 2005 * ! * * ! **************************************************************** !----------------------------------------------------------------------- ! ! READ THE BINARY VERSION OF THE PRECIP ANALYSIS. ! IMPLICIT NONE INTEGER,INTENT(IN) :: MYPE,MPI_COMM_COMP & ,MY_DOMAIN_ID & ,IDS,IDE,JDS,JDE,LM & ,IMS,IME,JMS,JME & ,ITS,ITE,JTS,JTE & ,ITS_B1,ITE_B1,JTS_B2,JTE_B2 INTEGER,INTENT(IN) :: PCPHR REAL,DIMENSION(IDS:IDE,JDS:JDE) :: TEMPG REAL,DIMENSION(IMS:IME,JMS:JME) :: TEMPL REAL,DIMENSION(IMS:IME,JMS:JME),INTENT(OUT) :: DDATA, LSPA REAL,DIMENSION(IMS:IME,JMS:JME,1:PCPHR),INTENT(OUT) :: PPTDAT INTEGER :: I, IER, IHR, J, N, NUNIT_PCP CHARACTER*256 :: MESSAGE CHARACTER(14) :: FILENAME CHARACTER(6),SAVE :: FMT_ID='(I2.2)' & ,FMT_HR='(I1.1)' CHARACTER(2) :: CHAR_ID CHARACTER(1) :: CHAR_HR LOGICAL :: OPENED !----------------------------------------------------------------------- ! ! Get the value of MYPE: ! ! TEMPG=999. IF(MYPE==0)THEN write(0,*)'PCPHR=',PCPHR write(0,*)'IDS,IDE,JDS,JDE in ADJPCP=',IDS,IDE,JDS,JDE ENDIF ! WRITE(CHAR_ID,FMT_ID)MY_DOMAIN_ID ! hours: DO IHR=1,PCPHR ! WRITE(CHAR_HR,FMT_HR)IHR FILENAME='pcp.hr'//CHAR_HR//'.'//CHAR_ID//'.bin' ! IF(MYPE==0)THEN ! DO N=51,99 INQUIRE(N,opened=OPENED) IF(.NOT.OPENED)THEN NUNIT_PCP=N EXIT ENDIF ENDDO ! CLOSE(NUNIT_PCP) !rv OPEN(unit=NUNIT_PCP,file=FILENAME,form='UNFORMATTED' & !rv ,STATUS='REPLACE',IOSTAT=IER) OPEN(unit=NUNIT_PCP,file=FILENAME,form='UNFORMATTED',IOSTAT=IER) !rv IF(IER/=0)THEN WRITE(0,*)' Failed to open ',FILENAME,' in READPCP ier=',IER ENDIF READ(NUNIT_PCP) ((TEMPG(I,J),I=IDS,IDE),J=JDS,JDE) ! WRITE(60+IHR,*)((TEMPG(I,J),I=IDS,IDE),J=JDS,JDE) WRITE(0,*) 'IHR=', IHR, ' FINISHED READING PCP TO TEMPG' CLOSE(NUNIT_PCP) ! DO J=JDS,JDE DO I=IDS,IDE ! In the binary version of the precip data, missing data are denoted as '999.' ! Convert the valid data from mm to m: IF (TEMPG(I,J).LT.900.) TEMPG(I,J)=TEMPG(I,J)*0.001 ENDDO ENDDO ENDIF ! ! Distribute to local temp array: CALL DSTRB(TEMPG,TEMPL,1,1,1,1,1,MYPE,MPI_COMM_COMP) ! ! Place into correct hour slot in PPTDAT: DO J=JMS,JME DO I=IMS,IME PPTDAT(I,J,IHR)=TEMPL(I,J) ENDDO ENDDO ! IF(MYPE==0)THEN WRITE(0,*) 'ADJPPT-READPCP, IHR',IHR, 'PPTDAT=', & & PPTDAT(1,1,IHR) ENDIF ENDDO hours ! ! Give DDATA (hourly precipitation analysis partitioned into each physics ! timestep; partitioning done in ADJPPT) an initial value of 999, because ! TURBL/SURFCE is called before ADJPPT. Also initialize LSPA to zero. ! DDATA=999. LSPA=0. ! END SUBROUTINE READPCP ! !----------------------------------------------------------------------- !&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& !----------------------------------------------------------------------- ! SUBROUTINE CHKSNOW(MYPE,NTSD,DT,NPHS,SR,PPTDAT,PCPHR & ,IDS,IDE,JDS,JDE,LM & ,IMS,IME,JMS,JME & ,ITS,ITE,JTS,JTE & ,ITS_B1,ITE_B1,JTS_B2,JTE_B2) ! ! AT THE FIRST PHYSICS TIME STEP AFTER THE TOP OF EACH HOUR, CHECK THE SNOW ! ARRAY AGAINST THE SR (SNOW/TOTAL PRECIP RATIO). IF SR .GE. 0.9, SET THIS ! POINT TO MISSING (SO WE WON'T DO SNOW ADJUSTMENT HERE). ! !----------------------------------------------------------------------- ! IMPLICIT NONE ! !----------------------------------------------------------------------- ! INTEGER,INTENT(IN) :: MYPE,NTSD,NPHS INTEGER,INTENT(IN) :: IDS,IDE,JDS,JDE,LM & ,IMS,IME,JMS,JME & ,ITS,ITE,JTS,JTE & ,ITS_B1,ITE_B1,JTS_B2,JTE_B2 INTEGER,INTENT(IN) :: PCPHR REAL,DIMENSION(IMS:IME,JMS:JME),INTENT(IN) :: SR REAL,DIMENSION(IMS:IME,JMS:JME,1:PCPHR),INTENT(INOUT) :: PPTDAT REAL,INTENT(IN) :: DT REAL :: TIMES INTEGER :: I, J, IHR CHARACTER*256 :: MESSAGE !----------------------------------------------------------------------- TIMES=NTSD*DT IF (MOD(TIMES,3600.) < NPHS*DT) THEN IHR=INT(TIMES)/3600+1 IF (IHR > PCPHR) GO TO 10 DO J=JTS_B2,JTE_B2 DO I=ITS_B1,ITE_B1 IF (SR(I,J) >= 0.9) PPTDAT(I,J,IHR) = 999. ENDDO ENDDO ! ! Get the value of MYPE: ! IF (MYPE==0) THEN WRITE(0,1010) TIMES,SR(1,1) 1010 FORMAT('ADJPPT-CHKSNOW: TIMES, SR=',F6.0,1X,F6.4) ENDIF ENDIF 10 CONTINUE END SUBROUTINE CHKSNOW ! !----------------------------------------------------------------------- !&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& !----------------------------------------------------------------------- ! SUBROUTINE ADJPPT(MYPE,NTSD,DT,NPHS,PREC,LSPA,PPTDAT,DDATA,PCPHR & ,IDS,IDE,JDS,JDE,LM & ,IMS,IME,JMS,JME & ,ITS,ITE,JTS,JTE & ,ITS_B1,ITE_B1,JTS_B2,JTE_B2) !*********************************************************************** !$$$ SUBPROGRAM DOCUMENTATION BLOCK ! . . . ! SUBPROGRAM: ADJPPT PRECIPITATION/CLOUD ADJUSTMENT ! PRGRMMR: Y. LIN ORG: W/NP22 DATE: 2005/03/30 ! ! ABSTRACT: ! ADJPPT MAKES ADJUSTMENT TO MODEL'S TEMPERATURE, MOISTURE, HYDROMETEOR ! FIELDS TO BE MORE CONSISTENT WITH THE OBSERVED PRECIPITATION AND CLOUD ! TOP PRESSURE ! ! FOR NOW, AS A FIRST STEP, JUST PARTITION THE INPUT HOURLY PRECIPITATION ! OBSERVATION INTO TIME STEPS, AND FEED IT INTO THE SOIL. ! PROGRAM HISTORY LOG: ! ! 2005/03/30 LIN - BAREBONES PRECIPITATION PARTITION/FEEDING TO GROUND ! ATTRIBUTES: ! LANGUAGE: FORTRAN 90 ! MACHINE : IBM !$$$ !----------------------------------------------------------------------- ! IMPLICIT NONE ! !----------------------------------------------------------------------- INTEGER,INTENT(IN) :: MYPE,NPHS, NTSD INTEGER,INTENT(IN) :: IDS,IDE,JDS,JDE,LM & ,IMS,IME,JMS,JME & ,ITS,ITE,JTS,JTE & ,ITS_B1,ITE_B1,JTS_B2,JTE_B2 REAL,INTENT(IN) :: DT INTEGER,INTENT(IN) :: PCPHR REAL,DIMENSION(IMS:IME,JMS:JME),INTENT(IN) :: PREC REAL,DIMENSION(IMS:IME,JMS:JME),INTENT(OUT) :: DDATA, LSPA REAL,DIMENSION(IMS:IME,JMS:JME,1:PCPHR),INTENT(IN) :: PPTDAT !----------------------------------------------------------------------- !*** !*** LOCAL VARIABLES !*** !----------------------------------------------------------------------- REAL :: DTPHS, FRACT, FRACT1, FRACT2, TIMES, TPHS1, TPHS2 INTEGER :: I, J, IHR, IHR1, IHR2, NTSP CHARACTER*256 :: MESSAGE ! ! Get the value of MYPE: ! ! TIMES=NTSD*DT IHR=INT(TIMES)/3600+1 ! Size of physics time step: DTPHS=NPHS*DT ! ! Compute the beginning and ending time of the current physics time step, ! TPHS1 and TPHS2: ! NTSP=NTSD/NPHS+1 TPHS1=(NTSP-1)*DTPHS TPHS2=NTSP*DTPHS ! IHR1=INT(TPHS1)/3600+1 IHR2=INT(TPHS2)/3600+1 ! ! Fraction of an hour that falls into IHR1 and IHR2. Note that IHR1 and IHR2 ! might be identical. IF (IHR1 > PCPHR) THEN GO TO 200 ELSEIF (IHR2 > PCPHR) THEN IHR2=3 FRACT1=(3600.- MOD(INT(TPHS1),3600))/3600. FRACT2=0. ELSEIF (IHR1 .EQ. IHR2) THEN FRACT1=0.5*DTPHS/3600. FRACT2=FRACT1 ELSE FRACT1=(3600.- MOD(INT(TPHS1),3600))/3600. FRACT2=FLOAT(MOD(INT(TPHS2),3600))/3600. ENDIF ! FRACT=FRACT1 + FRACT2 ! IF (MYPE==0) THEN WRITE(0,1010) NTSD,NTSP,TIMES,IHR1,IHR2,TPHS1,TPHS2, & & FRACT1,FRACT2 1010 FORMAT('ADJPPT: NTSD,NTSP,TIMES=',I4,1X,I4,1X,F6.0,' IHR1,IHR2=' & & ,I1,1X,I1,' TPHS1,TPHS2=',F6.0,1X,F6.0,' FRACT1,FRACT2=' & & ,2(1X,F6.4)) ENDIF ! !----------------------------------------------------------------------- ! FRACT1/2 IS THE FRACTION OF IHR1/2'S PRECIP THAT WE WANT FOR ! THIS ADJUSTMENT (assuming that the physics time step spans over ! IHR1 and IHR2. If not, then IHR1=IHR2). !----------------------------------------------------------------------- ! SET UP OBSERVED PRECIP FOR THIS TIMESTEP IN DDATA !----------------------------------------------------------------------- ! DO J=JTS_B2,JTE_B2 DO I=ITS_B1,ITE_B1 ! Note sometimes IHR1=IHR2. IF (PPTDAT(I,J,IHR1).GT.900..OR.PPTDAT(I,J,IHR2).GT.900.) THEN DDATA(I,J) = 999. LSPA(I,J) = LSPA(I,J) + PREC(I,J) GO TO 100 ELSE IF (IHR2 .LE. PCPHR) then DDATA(I,J) = PPTDAT(I,J,IHR1)*FRACT1 & & + PPTDAT(I,J,IHR2)*FRACT2 ELSE DDATA(I,J) = PPTDAT(I,J,IHR1)*FRACT1 ENDIF ! LSPA(I,J) = LSPA(I,J) + DDATA(I,J) ENDIF IF (I.EQ.1 .AND. J.EQ.1 .AND. MYPE.EQ.0) THEN WRITE(0,1020) DDATA(I,J), PREC(I,J), LSPA(I,J) 1020 FORMAT('ADJPPT: DDATA=',E12.6, ' PREC=',E12.6,' LSPA=',E12.6) ENDIF 100 CONTINUE ENDDO ENDDO ! 200 CONTINUE END SUBROUTINE ADJPPT ! !----------------------------------------------------------------------- !&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& !----------------------------------------------------------------------- ! END MODULE MODULE_PRECIP_ADJUST ! !-----------------------------------------------------------------------