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for_senmob.for
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C=======================================================================
C FOR_SENMOB Subroutine, S.J. Rymph, K.J. Boote, J.W. Jones and G. Hoogenboom
C Calculates leaf, stem, root, and STOR senescence only for tissues lost
C at "final" N concentration (due to natural aging, light stress, and
C physiological maturity). Also consolidates the calculation of
C potential mining of C and N in one location.
C-----------------------------------------------------------------------
C REVISION HISTORY
C 09/23/2005 SJR Created from parts of CROPGRO, DEMAND, ROOTS, SENES
C-----------------------------------------------------------------------
C Called : CROPGRO
C Calls : ERROR, FIND, IGNORE
C========================================================================
SUBROUTINE FOR_SENMOB(
& FILECC, CLW, DAYL, DLAYR, DTX, DUL, DXR57, FNINL,!Input
& FNINR, FNINS, FNINSR, ISWWAT, LL, NLAYR, NR5, !Input
& NR7, NSTRES, PAR, PCNL, PCNRT, PCNSR, PCNST, !Input
& PPMFAC, RHOL, RLV, RTWT, SAT, SLAAD, STMWT, !Input
& STRWT, SW, SWFAC, TDUMX, TDUMX2, VSTAGE, WCRLF, !Input
& WCRRT,WCRSH, WCRSR, WCRST, WNRLF, WNRRT, WNRSH, !Input
& WNRSR,WNRST, WRDOTN, WTLF, XLAI, XPOD, !Input
& YRDOY, YRSIM, !Input
& CMINELF, CMINEP, CMINERT, CMINESH, CMINESR, !Output
& CMINEST, CMOBMX, CMOBSR, LAIMOBR, LFCMINE, !Output
& LFSCMOB, LFSENWT, LFSNMOB, LTSEN, NMINELF, !Output
& NMINEP, NMINERT, NMINESR, NMINEST, NMOBR, !Output
& NMOBSR, PORPT, RLSEN, RTCMINE, RTSCMOB, RTSNMOB,!Output
& SHCMINE, SHNMINE, SLDOT, SLMDOT, SRCMINE, !Output
& SRDOT, SRMDOT, SRNDOT, SRSCMOB, SRSNMOB, SSMDOT,!OutpuT
& SSNDOT, SSDOT, SSRDOT, SSRMDOT, SSRNDOT, STCMINE,!Output
& STSCMOB, STSNMOB, STLTSEN, STSENWT, TSCMOB, !Output
& TSNMOB, VNMOBR, !Output
& DYNAMIC) !Control
C-----------------------------------------------------------------------
USE ModuleDefs !Definitions of constructed variable types,
! which contain control information, soil
! parameters, hourly weather data.
IMPLICIT NONE
SAVE
CHARACTER*1 ISWWAT
CHARACTER*6 ERRKEY, SECTION
CHARACTER*80 CHAR
CHARACTER*92 FILECC
CHARACTER*3 TYPLMOB, TYPNMOB
PARAMETER (ERRKEY = 'SENMOB')
INTEGER I, II, LUNCRP, ERR, LNUM, ISECT
INTEGER DYNAMIC, TIMDIF
INTEGER YRDOY, NR5, NR7, DAS, YRSIM
INTEGER FOUND
INTEGER NSWAB
PARAMETER (NSWAB = 5)
REAL DAYL, DAYL_1, DAYL_2, LFSEN, SNSTAGE
REAL DTX, PAR, RHOL, SLAAD
REAL STMWT, VSTAGE, WTLF, XLAI
REAL SLDOT, SSDOT, SRDOT
REAL ICMP, KCAN, PORPT, SENDAY
REAL SENRT2, SENRTE, TCMP
REAL LCMP, LTSEN, PORLFT, TABEX
REAL SENMAX(4), SENPOR(4), XSENMX(4), XSTAGE(4)
REAL SWFCAB(NSWAB)
REAL SENSR, STRWT
REAL PCNL, PCNRT, PCNSR, PCNST
REAL PCHOLFF, PCHORTF, PCHOSRF, PCHOSTF
REAL PROLFF, PRORTF, PROSRF, PROSTF
REAL WCRLF, WCRRT, WCRSH, WCRSR, WCRST
REAL WNRLF, WNRRT, WNRSH, WNRSR, WNRST
INTEGER L, L1, NLAYR
REAL DLAYR(NL), RLV(NL), RLSEN(NL)
REAL DUL(NL), ESW(NL), LL(NL), SAT(NL), SW(NL)
REAL RNDOT(NL), RLNSEN(NL)
REAL RFAC1, RFAC3, RLDSM, RTSEN
REAL TRTDY, TRLSEN, RTWT, WRDOTN
REAL LFNSEN, SLMDOT, SRMDOT, SSMDOT, SSRMDOT
REAL LFSCMOB, RTSCMOB, SRSCMOB, STSCMOB, TSCMOB
REAL LFSNMOB, RTSNMOB, SRSNMOB, STSNMOB, TSNMOB
REAL CMINELF, CMINERT, CMINESH, CMINESR, CMINEST
REAL NMINELF, NMINERT, NMINESH, NMINESR, NMINEST
REAL CMINEP, LFCMINE, RTCMINE, SHCMINE, SRCMINE, STCMINE
REAL NMINEP, LFNMINE, RTNMINE, SHNMINE, SRNMINE, STNMINE
REAL DXR57, CMOBMX, CMOBSR, NMOBR, NMOBSR, PPMFAC
REAL CMOBSRN, CMOBSRX, FNINL, FNINR, FNINS,
& FNINSR, LAIMOBR, NMOBMX, NMOBSRN, NMOBSRX, NSTRES,
& NVSMOB, SWFAC, TDUMX, TDUMX2, VEGNCMX, VEGNCNT,
& VNMOBR, VNSTAT, XPOD
REAL LRMOB(4), NRMOB(4)
REAL CLW, RATTP, WSLOSS
REAL LFSENWT, SLNDOT, SSNDOT,
& SSRDOT, SSRNDOT, STLTSEN, STSENWT
REAL PORMIN, RTSDF, RTEXF, SRNDOT, TRLNSEN
REAL RTSURV, SUMEX, SUMRL, SWDF, SWEXF
REAL SENCLV, SENCRV, SENCSV, SENCSRV
REAL SENNLV, SENNRV, SENNSV, SENNSRV
REAL CMINEO, NMINEO
REAL CURV
!***********************************************************************
!***********************************************************************
! Run Initialization - Called once per simulation
!***********************************************************************
IF (DYNAMIC .EQ. RUNINIT) THEN
!-----------------------------------------------------------------------
! Read in values from input file, which were previously input
! in Subroutine IPCROP.
!-----------------------------------------------------------------------
CALL GETLUN('FILEC', LUNCRP)
OPEN (LUNCRP,FILE = FILECC, STATUS = 'OLD',IOSTAT=ERR)
IF (ERR .NE. 0) CALL ERROR(ERRKEY,ERR,FILECC,0)
!-----------------------------------------------------------------------
! Find and Read Photosynthesis Section
!-----------------------------------------------------------------------
! Subroutine FIND finds appropriate SECTION in a file by
! searching for the specified 6-character string at beginning
! of each line.
!-----------------------------------------------------------------------
LNUM = 1
SECTION = '!*PHOT'
CALL FIND(LUNCRP, SECTION, LNUM, FOUND)
IF (FOUND .EQ. 0) THEN
CALL ERROR(ERRKEY, 1, FILECC, LNUM)
ELSE
ISECT = 2
DO WHILE (ISECT .NE. 1)
CALL IGNORE(LUNCRP,LNUM,ISECT,CHAR)
IF (ISECT .EQ. 0) CALL ERROR(ERRKEY,ERR,FILECC,LNUM)
ENDDO
READ(CHAR,'(12X,F6.0)',IOSTAT=ERR) KCAN
IF (ERR .NE. 0) CALL ERROR(ERRKEY,ERR,FILECC,LNUM)
ENDIF
!-----------------------------------------------------------------------
! Find and Read Plant Composition Section
!-----------------------------------------------------------------------
SECTION = '!*PLAN'
CALL FIND(LUNCRP, SECTION, LNUM, FOUND)
IF (FOUND .EQ. 0) THEN
CALL ERROR(ERRKEY, 1, FILECC, LNUM)
ELSE
CALL IGNORE(LUNCRP,LNUM,ISECT,CHAR)
READ(CHAR,'(12X,F6.0,12X,F6.0)',IOSTAT=ERR)
& PROLFF,PROSTF
IF (ERR .NE. 0) CALL ERROR(ERRKEY,ERR,FILECC,LNUM)
CALL IGNORE(LUNCRP,LNUM,ISECT,CHAR)
READ(CHAR,'(12X,F6.0)',IOSTAT=ERR)
& PRORTF
IF (ERR .NE. 0) CALL ERROR(ERRKEY,ERR,FILECC,LNUM)
CALL IGNORE(LUNCRP,LNUM,ISECT,CHAR)
CALL IGNORE(LUNCRP,LNUM,ISECT,CHAR)
CALL IGNORE(LUNCRP,LNUM,ISECT,CHAR)
CALL IGNORE(LUNCRP,LNUM,ISECT,CHAR)
CALL IGNORE(LUNCRP,LNUM,ISECT,CHAR)
CALL IGNORE(LUNCRP,LNUM,ISECT,CHAR)
CALL IGNORE(LUNCRP,LNUM,ISECT,CHAR)
READ(CHAR,'(12X, F6.0)',IOSTAT=ERR)
& PROSRF
IF (ERR .NE. 0) CALL ERROR(ERRKEY,ERR,FILECC,LNUM)
CALL IGNORE(LUNCRP,LNUM,ISECT,CHAR)
CALL IGNORE(LUNCRP,LNUM,ISECT,CHAR)
CALL IGNORE(LUNCRP,LNUM,ISECT,CHAR)
READ(CHAR,'(4F6.0)',IOSTAT=ERR)
& PCHOLFF, PCHOSTF, PCHORTF, PCHOSRF
IF (ERR .NE. 0) CALL ERROR(ERRKEY,ERR,FILECC,LNUM)
ENDIF
!-----------------------------------------------------------------------
! Find and Read Carbon and Nitrogen Mining Section
!-----------------------------------------------------------------------
SECTION = '!*CARB'
CALL FIND(LUNCRP, SECTION, LNUM, FOUND)
IF (FOUND .EQ. 0) THEN
CALL ERROR(ERRKEY, 1, FILECC, LNUM)
ELSE
CALL IGNORE(LUNCRP,LNUM,ISECT,CHAR)
READ(CHAR,'(F6.0,12X,2F6.0)',IOSTAT=ERR) CMOBMX,NMOBMX, NVSMOB
IF (ERR .NE. 0) CALL ERROR(ERRKEY,ERR,FILECC,LNUM)
CALL IGNORE(LUNCRP,LNUM,ISECT,CHAR)
CALL IGNORE(LUNCRP,LNUM,ISECT,CHAR)
CALL IGNORE(LUNCRP,LNUM,ISECT,CHAR)
READ(CHAR,'(2F6.0,6X,2F6.0)',IOSTAT=ERR) CMOBSRN, CMOBSRX,
& NMOBSRN, NMOBSRX
IF (ERR .NE. 0) CALL ERROR(ERRKEY,ERR,FILECC,LNUM)
CALL IGNORE(LUNCRP,LNUM,ISECT,CHAR)
READ(CHAR,'(4(1X,F5.2),3X,A3)',IOSTAT=ERR)
& (LRMOB(II),II=1,4), TYPLMOB
IF (ERR .NE. 0) CALL ERROR(ERRKEY,ERR,FILECC,LNUM)
CALL IGNORE(LUNCRP,LNUM,ISECT,CHAR)
READ(CHAR,'(4(1X,F5.2),3X,A3)',IOSTAT=ERR)
& (NRMOB(II),II=1,4), TYPNMOB
IF (ERR .NE. 0) CALL ERROR(ERRKEY,ERR,FILECC,LNUM)
CALL IGNORE(LUNCRP,LNUM,ISECT,CHAR)
CALL IGNORE(LUNCRP,LNUM,ISECT,CHAR)
CALL IGNORE(LUNCRP,LNUM,ISECT,CHAR)
CALL IGNORE(LUNCRP,LNUM,ISECT,CHAR)
READ(CHAR,'(4(1X,F5.2))',IOSTAT=ERR)
& SENNLV, SENCLV, SENNRV, SENCRV
IF (ERR .NE. 0) CALL ERROR(ERRKEY,ERR,FILECC,LNUM)
CALL IGNORE(LUNCRP,LNUM,ISECT,CHAR)
READ(CHAR,'(4(1X,F5.2))',IOSTAT=ERR)
& SENNSV, SENCSV, SENNSRV, SENCSRV
IF (ERR .NE. 0) CALL ERROR(ERRKEY,ERR,FILECC,LNUM)
ENDIF
!-----------------------------------------------------------------------
! Find and Read Partitioning Section
!-----------------------------------------------------------------------
SECTION = '!*VEGE'
CALL FIND(LUNCRP, SECTION, LNUM, FOUND)
IF (FOUND .EQ. 0) THEN
CALL ERROR(ERRKEY, 1, FILECC, LNUM)
ELSE
DO I=1,4
ISECT = 2
DO WHILE (ISECT .NE. 1)
CALL IGNORE(LUNCRP,LNUM,ISECT,CHAR)
ENDDO
ENDDO
READ(CHAR,'(6X,F6.0)',IOSTAT=ERR) PORPT
IF (ERR .NE. 0) CALL ERROR(ERRKEY,ERR,FILECC,LNUM)
ENDIF
!-----------------------------------------------------------------------
! Find and Read Senescence Section
! NOTE: First search for Section finds '!*LEAF GROWTH PARAMETERS'
! Second search finds '!*LEAF SENESCENCE FACTORS'
!-----------------------------------------------------------------------
SECTION = '!*LEAF'
CALL FIND(LUNCRP, SECTION, LNUM, FOUND)
IF (FOUND .EQ. 0) THEN
CALL ERROR(ERRKEY, 1, FILECC, LNUM)
ENDIF
CALL FIND(LUNCRP, SECTION, LNUM, FOUND)
IF (FOUND .EQ. 0) THEN
CALL ERROR(ERRKEY, 1, FILECC, LNUM)
ELSE
CALL IGNORE(LUNCRP,LNUM,ISECT,CHAR)
READ(CHAR,'(3F6.0)',IOSTAT=ERR) SENRTE, SENRT2, SENDAY
IF (ERR .NE. 0) CALL ERROR(ERRKEY,ERR,FILECC,LNUM)
CALL IGNORE(LUNCRP,LNUM,ISECT,CHAR)
! READ(CHAR,'(3F6.0)',IOSTAT=ERR) ICMP, TCMP, LFSEN
READ(CHAR,'(2F6.0,F6.3)',IOSTAT=ERR) ICMP, TCMP, LFSEN
IF (ERR .NE. 0) CALL ERROR(ERRKEY,ERR,FILECC,LNUM)
CALL IGNORE(LUNCRP,LNUM,ISECT,CHAR)
READ(CHAR,'(8F6.0)',IOSTAT=ERR)
& (XSTAGE(II),II=1,4),(XSENMX(II),II=1,4)
IF (ERR .NE. 0) CALL ERROR(ERRKEY,ERR,FILECC,LNUM)
CALL IGNORE(LUNCRP,LNUM,ISECT,CHAR)
READ(CHAR,'(8F6.0)',IOSTAT=ERR)
& (SENPOR(II),II=1,4),(SENMAX(II),II=1,4)
IF (ERR .NE. 0) CALL ERROR(ERRKEY,ERR,FILECC,LNUM)
ENDIF
C-----------------------------------------------------------------------
C Find and Read Roots section
!-----------------------------------------------------------------------
LNUM = 1
SECTION = '!*ROOT'
CALL FIND(LUNCRP, SECTION, LNUM, FOUND)
IF (FOUND .EQ. 0) THEN
CALL ERROR(ERRKEY, 1, FILECC, LNUM)
ELSE
CALL IGNORE(LUNCRP,LNUM,ISECT,CHAR)
READ(CHAR,'(6X,4F6.0)') RFAC1, RTSEN,RLDSM, RTSDF
IF (ERR .NE. 0) CALL ERROR(ERRKEY,ERR,FILECC,LNUM)
CALL IGNORE(LUNCRP,LNUM,ISECT,CHAR)
CALL IGNORE(LUNCRP,LNUM,ISECT,CHAR)
READ(CHAR,'(12X,2F6.0)',IOSTAT=ERR) PORMIN, RTEXF
IF (ERR .NE. 0) CALL ERROR(ERRKEY,ERR,FILECC,LNUM)
ENDIF
C-----------------------------------------------------------------------
C
C ***** READ Storage organ senescence parameters *****
C
C-----------------------------------------------------------------------
SECTION = '!*STOR'
CALL FIND(LUNCRP, SECTION, LNUM, FOUND)
IF (FOUND .EQ. 0) THEN
CALL ERROR(ERRKEY, 1, FILECC, LNUM)
ELSE
CALL IGNORE(LUNCRP,LNUM,ISECT,CHAR)
CALL IGNORE(LUNCRP,LNUM,ISECT,CHAR)
READ(CHAR,'(F6.0)',IOSTAT=ERR) SENSR
IF (ERR .NE. 0) CALL ERROR(ERRKEY,ERR,FILECC,LNUM)
ENDIF
CLOSE (LUNCRP)
!***********************************************************************
!***********************************************************************
! Seasonal initialization - run once per season
!***********************************************************************
ELSEIF (DYNAMIC .EQ. SEASINIT) THEN
!-----------------------------------------------------------------------
SRDOT = 0.0
SRNDOT = 0.0
RLV = 0.0
! RTDEP = 0.0
! SENRT = 0.0
SUMEX = 0.0
SUMRL = 0.0
LFNSEN = 0.0
LFSNMOB = 0.0
RTSNMOB = 0.0
SRSNMOB = 0.0
STSNMOB = 0.0
TSNMOB = 0.0
CMINELF = 0.0
CMINEP = 0.0
CMINERT = 0.0
CMINESH = 0.0
CMINESR = 0.0
CMINEST = 0.0
CMOBSR = 0.0
LFCMINE = 0.0
LFSCMOB = 0.0
LFSNMOB = 0.0
LTSEN = 0.0
NMINELF = 0.0
NMINEP = 0.0
NMINERT = 0.0
NMINESR = 0.0
NMINEST = 0.0
NMOBR = 0.0
NMOBSR = 0.0
RLSEN = 0.0
RTCMINE = 0.0
RTSCMOB = 0.0
RTSNMOB = 0.0
SHCMINE = 0.0
SHNMINE = 0.0
SLMDOT = 0.0
SRCMINE = 0.0
SRMDOT = 0.0
SRSCMOB = 0.0
SRSNMOB = 0.0
SSMDOT = 0.0
SSRMDOT = 0.0
STCMINE = 0.0
STSCMOB = 0.0
STSNMOB = 0.0
TSCMOB = 0.0
TSNMOB = 0.0
SSDOT = 0.0
SLDOT = 0.0
SLNDOT = 0.0
SSNDOT = 0.0
RATTP = 1.0
SSRDOT = 0.0
SSRNDOT = 0.0
DAYL_1 = -1.0
DAYL_2 = -2.0
DO I = 1,5
SWFCAB(I) = 1.0
ENDDO
!***********************************************************************
!***********************************************************************
! DAILY RATE/INTEGRATION
!***********************************************************************
ELSEIF (DYNAMIC .EQ. INTEGR) THEN
!-----------------------------------------------------------------------
DAS = MAX(0,TIMDIF(YRSIM,YRDOY))
!Update value of RATTP.
DO I = NSWAB,2,-1
SWFCAB(I) = SWFCAB(I-1)
ENDDO
! DO I=NSWAB,2,-1
! WSWTLF(I)=WSWTLF(I-1)
! END DO
SWFCAB(1) = SWFAC
! WSWTLF(1)=WTLF
RATTP = SWFCAB(NSWAB)
SSDOT = 0.0
SLDOT = 0.0
SLNDOT = 0.0
SSNDOT = 0.0
SSRDOT = 0.0
SSRNDOT = 0.0
LFNSEN = 0.0
SLMDOT = 0.0
SRMDOT = 0.0
SSRMDOT = 0.0
SSMDOT = 0.0
LFSCMOB = 0.0
RTSCMOB = 0.0
SRSCMOB = 0.0
STSCMOB = 0.0
TSCMOB = 0.0
LFSNMOB = 0.0
RTSNMOB = 0.0
SRSNMOB = 0.0
STSNMOB = 0.0
TSNMOB = 0.0
CMINELF = 0.0
CMINERT = 0.0
CMINESR = 0.0
CMINEST = 0.0
LFCMINE = 0.0
RTCMINE = 0.0
SHCMINE = 0.0
SRCMINE = 0.0
STCMINE = 0.0
CMINEP = 0.0
CMINEO = 0.0
NMINELF = 0.0
NMINERT = 0.0
NMINESR = 0.0
NMINEST = 0.0
LFNMINE = 0.0
RTNMINE = 0.0
SHNMINE = 0.0
SRNMINE = 0.0
STNMINE = 0.0
NMINEP = 0.0
NMINEO = 0.0
C-----------------------------------------------------------------------
C Calculate root senescence
C-----------------------------------------------------------------------
C Calculate root length per cm2 soil and initiate growth,
C respiration and senescence by layer
C-----------------------------------------------------------------------
TRTDY = 0.0
TRLSEN = 0.0
TRLNSEN = 0.0
DO L = 1,NLAYR
L1 = L
TRTDY = TRTDY + RLV(L) * DLAYR(L)
RLSEN(L) = 0.0
RNDOT(L) = 0.0
RLNSEN(L) = 0.0
ENDDO
SRNDOT = 0.0
! TRLDF = 0.0
SUMEX = 0.0
SUMRL = 0.0
IF (RTWT .GE. 0.0001) THEN
! RFAC3 = TRTDY * 10000.0 / (RTWT - WRDOTN)
! RTWT has not yet been updated today, so use yesterday's
! value and don't subtract out today's growth - chp 11/13/00
RFAC3 = TRTDY * 10000.0 / RTWT
ELSE
RFAC3 = RFAC1
ENDIF
DO L = 1,L1
RLSEN(L) = RLV(L) * RTSEN * DTX
SWDF = 1.0
SWEXF = 1.0
C-----------------------------------------------------------------------
C Calculate water-stress factors only when H2O optionis "on"
C-----------------------------------------------------------------------
IF (ISWWAT .EQ. 'Y') THEN
IF (SAT(L)-SW(L) .LT. PORMIN) THEN
SWEXF = (SAT(L) - SW(L)) / PORMIN
SWEXF = MIN(SWEXF, 1.0)
ENDIF
! SUMEX = SUMEX + DLAYR(L)*RLV(L)*(1.0 - SWEXF)
SUMEX = SUMEX + DLAYR(L)*(RLV(L) - RLSEN(L))*(1.0 - SWEXF)
! SUMRL = SUMRL + DLAYR(L)*RLV(L)
SUMRL = SUMRL + DLAYR(L)*(RLV(L) - RLSEN(L))
! Need to calculate ESW where used. CHP 10/15/01
ESW(L) = DUL(L) - LL(L)
IF (SW(L) - LL(L) .LT. 0.25*ESW(L)) THEN
SWDF = (SW(L) - LL(L)) / (0.25*ESW(L))
SWDF = MAX(SWDF, 0.0)
ENDIF
ENDIF
C-----------------------------------------------------------------------
RTSURV = MIN(1.0,(1.-RTSDF*(1.-SWDF)),(1.-RTEXF*(1.-SWEXF)))
C-----------------------------------------------------------------------
IF ((RLV(L) - RLSEN(L)) .GT. RLDSM) THEN
! RNDOT(L) = RLV(L) * (1 - RTSURV)
RNDOT(L) = (RLV(L) - RLSEN(L)) * (1 - RTSURV)
! RLV(L) = RLV(L) * RTSURV
ENDIF
RLNSEN(L) = RNDOT(L)
TRLNSEN = TRLNSEN + RLNSEN(L) * DLAYR(L)
TRLSEN = TRLSEN + RLSEN(L) * DLAYR(L)
ENDDO
C-----------------------------------------------------------------------
C Calculate root senescence, growth, maintenance and growth
C respiration, and update root length density for each layer.
!-----------------------------------------------------------------------
! SRDOT = (TRTDY + RLNEW - TRLV) * 10000.0 / RFAC3
! Sum RLSEN for total root senescence today. chp 11/13/00
SRMDOT = TRLSEN / RFAC3 * 10000. !g/m2
SRNDOT = TRLNSEN / RFAC3 * 10000. !g/m2
SRDOT = SRMDOT + SRNDOT
C-----------------------------------------------------------------------
C This section calculates natural senescence of storage organ tissue
C Thought about moving this below the IF...Then line but did not
C Don't want to senesce if seedling but do want to senesce mature
C stand after it has been cut or frozen back
C-----------------------------------------------------------------------
SSRMDOT = STRWT * SENSR * DTX
SSRMDOT = MIN(SSRMDOT,STRWT)
C-----------------------------------------------------------------------
C Calculate STOR water-stress senescence.
C-----------------------------------------------------------------------
SSRNDOT = 0.0
C-----------------------------------------------------------------------
C Calculate STOR senescence.
C-----------------------------------------------------------------------
SSRDOT = SSRMDOT + SSRNDOT
SSRDOT = MIN(STRWT,SSRDOT)
IF (DAS .LE. NR7 .AND. VSTAGE .GE. 1.0) THEN
C-----------------------------------------------------------------------
C This section calculates natural senescence prior to the
C beginning of seed growth
C-----------------------------------------------------------------------
! IF (VSTAGE .GE. 5.0) THEN
! PORLFT = 1.0 - TABEX(SENPOR,XSTAGE,VSTAGE,4)
! IF ((WTLF * ( 1.0 - RHOL)) .GT. CLW*PORLFT) THEN
! SLDOT = WTLF * ( 1.0 - RHOL) - CLW * PORLFT
! ENDIF
! ENDIF
C-----------------------------------------------------------------------
C 09/18/05 SJR - Modify for forages Short harvest cycles prevent
C VSTAGE>5.0. CLW gets too large relative to WTLF to be useful.
C Revise and simplify using one rate all the time, adjusted for
C temperature. Rate is now a proportion of tissue senesced
C per physiological day.
C-----------------------------------------------------------------------
! IF (WTLF .GT. WTLF * (1 - RHOL) * LFSEN * DTX *
! & (1-EXP(-KCAN * XLAI))) THEN
! LFNSEN = WTLF * (1 - RHOL) * LFSEN * DTX *
IF (WTLF .GT. WTLF * LFSEN * DTX) THEN
LFNSEN = WTLF * LFSEN * DTX
ELSE
LFNSEN = WTLF
ENDIF
SLMDOT = LFNSEN
C-----------------------------------------------------------------------
C This section calculates senescence due to low light in lower
C canopy. First compute LAI at which light compensation is reached
C then allow LAI above this amount to be senesced over TCMP thermal
C days.
C-----------------------------------------------------------------------
LTSEN = 0.0
IF (PAR .GT. 0.) THEN
LCMP = -(1. / KCAN) * ALOG(ICMP / PAR)
LTSEN = DTX * (XLAI - LCMP) / TCMP
LTSEN = MAX(0.0, LTSEN)
ENDIF
C-----------------------------------------------------------------------
C 8/3/05 SJR Change LTSEN from leaf area senesced to the equivalent
C leaf mass senesced. Moved conversion from SLDOT update equation.
C For ease of use in calculating DM, CH2O, and N lost in GROW
C subroutine
C-----------------------------------------------------------------------
LTSEN = LTSEN * 10000. / SLAAD
C-----------------------------------------------------------------------
C Convert area loss to biomass(m2 *10000cm2/m2)/(cm2/g)=g/m2
C-----------------------------------------------------------------------
! SLDOT = SLDOT + LTSEN * 10000. / SLAAD
SLDOT = LFNSEN + LTSEN
SLDOT = MIN(WTLF,SLMDOT)
C-----------------------------------------------------------------------
C Calculate senescence due to water stress.
C-----------------------------------------------------------------------
! IF (WTLF .GE. WSWTLF(5)) THEN
! WSLOSS = SENDAY * (1. - RATTP) * WTLF
! ELSEIF (SENDAY*(1.-RATTP) .GT. WSWTLF(5)-WTLF) THEN
! WSLOSS=SENDAY*(1.-RATTP)*(WSWTLF(5)-WTLF/WSWTLF(5))
! ELSE
! WSLOSS=0
! ENDIF
IF (WSLOSS .GT. 0.0) THEN
PORLFT = 1.0 - TABEX(SENMAX, XSENMX, VSTAGE, 4)
WSLOSS = MIN(WSLOSS, WTLF - CLW * PORLFT)
WSLOSS = MAX(WSLOSS, 0.0)
SLNDOT = WSLOSS
ENDIF
SLDOT = SLDOT + SLNDOT
SLDOT = MIN(WTLF,SLDOT)
C-----------------------------------------------------------------------
C Calculate Stem senescence.
C-----------------------------------------------------------------------
SSMDOT = SLMDOT * PORPT
SSMDOT = MIN(SSMDOT,0.1*STMWT)
C-----------------------------------------------------------------------
C 10/04/05 SJR Link to SENMOB where natural senescence was already
C calculated. Calculate SSDOT in same way as SLDOT.
C-----------------------------------------------------------------------
SSDOT = SSMDOT
SSDOT = SSDOT + LFSENWT * PORPT
SSDOT = MIN(SSDOT,0.1*STMWT)
STSENWT = SSDOT - SSMDOT
SSDOT = SSDOT + LTSEN * PORPT
SSDOT = MIN(SSDOT,0.1*STMWT)
STLTSEN = SSDOT - (SSMDOT + STSENWT)
SSNDOT = SLNDOT * PORPT
SSDOT = SSDOT + SSNDOT
SSDOT = MIN(SSDOT, 0.1 * STMWT)
SSNDOT = SSDOT - (SSMDOT + STSENWT + STLTSEN)
C-----------------------------------------------------------------------
C This section calculates senescence of leaves and petioles
C after R7.
C-----------------------------------------------------------------------
ELSEIF (DAS .GT. NR7) THEN
IF (WTLF .GT. 0.0001) THEN
! SLMDOT = WTLF * SENRT2
! SLNDOT = SLDOT
SLMDOT = 0.0
! SSMDOT = SLMDOT * PORPT
! SSNDOT = SSDOT
SSMDOT = 0.0
ELSE
SLMDOT = 0.0
SSMDOT = 0.0
! SLNDOT = 0.0
! SSNDOT = 0.0
ENDIF
! IF (STMWT .LT. 0.0001) THEN
! SLNDOT = 0.0
! SSNDOT = 0.0
! ENDIF
ENDIF
C-----------------------------------------------------------------------
C Calculate N available from today's senescence.
C Only Age, low-light and N-mobilization-based senescece are lost at
C less than current N and CH2O concentration.
C Senesced tissues will contain N and CH2O concentrations between
C "final" and "current" levels - calculated as
C PROLFF * 0.16+( SENNxV * PCNL/100 - PROLFF * 0.16)
C so mobilization would be the difference between "current" N or C
C concentration and this calculated level at senescence.
C-----------------------------------------------------------------------
LFSNMOB = SLMDOT * (PCNL/100 -
& (SENNLV * (PCNL / 100 - PROLFF*0.16) + PROLFF*0.16))
& + LTSEN * (PCNL / 100 - PROLFF * 0.16)
STSNMOB = SSMDOT * (PCNST/100 -
& (SENNSV * (PCNST / 100 - PROSTF*0.16) + PROSTF*0.16))
& + STLTSEN * (PCNST / 100 - PROSTF * 0.16)
SRSNMOB = SSRMDOT * (PCNSR / 100 -
& (SENNSRV * (PCNSR / 100 - PROSRF*0.16) + PROSRF*0.16))
RTSNMOB = SRMDOT * (PCNRT / 100 -
& (SENNRV * (PCNRT / 100 - PRORTF*0.16) + PRORTF*0.16))
C TAKE OUT FROM HERE TO
! LFSENWT = SENRTE * LFSNMOB / 0.16
! LFSENWT = MIN(WTLF,LFSENWT)
! SLDOT = SLDOT + LFSENWT
! SLDOT = MIN(WTLF,SLDOT)
! STSENWT = LFSENWT * PORPT
! SSDOT = SSDOT + STSENWT
! SSDOT = MIN(STMWT, SSDOT)
! LFSNMOB = LFSNMOB + LFSENWT * (PCNL/100 -
! & (SENNLV * (PCNL / 100 - PROLFF*0.16) + PROLFF*0.16))
! STSNMOB = STSNMOB + STSENWT * (PCNST/100 -
! & (SENNSV * (PCNST / 100 - PROSTF*0.16) + PROSTF*0.16))
C HERE
! TSNMOB = LFSNMOB + STSNMOB + SRSNMOB + RTSNMOB
C-----------------------------------------------------------------------
C Calculate CH2O available from today's senescence.
C-----------------------------------------------------------------------
! LFSCMOB = (SLMDOT + LTSEN + LFSENWT) * (WCRLF / WTLF -
! & (SENCLV * (WCRLF / WTLF - PCHOLFF) + PCHOLFF))
! STSCMOB = (SSMDOT + STLTSEN + STSENWT) * (WCRST / STMWT -
! & (SENCSV * (WCRST / STMWT - PCHOSTF) + PCHOSTF))
! SRSCMOB = SSRMDOT * (WCRSR / STRWT -
! & (SENCSRV * (WCRSR / STRWT - PCHOSRF) + PCHOSRF))
! RTSCMOB = SRMDOT * (WCRRT / RTWT -
! & (SENCRV * (WCRRT / RTWT - PCHORTF) + PCHORTF))
! LFSCMOB = SLMDOT * ((WCRLF / WTLF) - PCHOLFF)
! STSCMOB = SSMDOT * ((WCRST / STMWT) - PCHOSTF)
! SRSCMOB = SSRMDOT * ((WCRSR / STRWT) - PCHOSRF)
! RTSCMOB = SRMDOT * ((WCRRT / RTWT) - PCHORTF)
TSCMOB = LFSCMOB + STSCMOB + SRSCMOB + RTSCMOB
C-----------------------------------------------------------------------
C DSSAT4 code for CMINEP
! CMINEP = CMOBMX * (DTX + DXR57) * (WCRST + WCRRT + WCRSH +WCRLF)
C-----------------------------------------------------------------------
C New code to deal with forages and dormancy
C Boosts mobilization from storage organs after harvests (LAI<CLAIT)
C Lowers mobilization during dormancy (when PPMFAC>0.0)
C-----------------------------------------------------------------------
! IF (XLAI .LE. CLAIT) THEN
! CMOBSR=CMOBSRX*(PPMFAC)
! NMOBSR=NMOBSRX*(PPMFAC)
! ELSE
! CMOBSR=CMOBSRN*(PPMFAC)
! NMOBSR=NMOBSRN*(PPMFAC)
! ENDIF
LAIMOBR = CURV(TYPLMOB,LRMOB(1),LRMOB(2),LRMOB(3),
& LRMOB(4), MIN(XLAI,LRMOB(4)))
C-----------------------------------------------------------------------
C Increase mobilization from storage if N status of plant is high.
C-----------------------------------------------------------------------
VEGNCNT = PCNL/100*WTLF + PCNST/100*STMWT +
& PCNRT/100*RTWT + PCNSR/100*STRWT
VEGNCMX = FNINL*WTLF + FNINS*STMWT + FNINR*RTWT + FNINSR*STRWT
VNSTAT = MIN((VEGNCNT / VEGNCMX), 1.0)
VNMOBR = CURV(TYPNMOB,NRMOB(1),NRMOB(2),NRMOB(3),NRMOB(4),VNSTAT)
C-----------------------------------------------------------------------
C Set N mobilization rate from storage
C Default to NMOBSRN under most conditions
C set to NMOBSRX (max rate) after harvest or severe damage
C Reduce from either level depending on degree of dormancy
C Mobilization from storage is unaffected by water or N stress
C but is accelerated by low N status.
C-----------------------------------------------------------------------
C Tried various equations - a straight multiplicative equation
C doesn't work because LAIMOBR is usually 0.0 which forces
C mobilization to the minimum rate * PPMFAC.
C-----------------------------------------------------------------------
! NMOBSR = (NMOBSRN + ((NMOBSRX-NMOBSRN)*VNMOBR * LAIMOBR)) * PPMFAC
C-----------------------------------------------------------------------
C Additive equation would give the highest rate of mobilization.
C-----------------------------------------------------------------------
! NMOBSR = (NMOBSRN + (NMOBSRX-NMOBSRN)*VNMOBR)
! NMOBSR = (NMOBSR + (NMOBSRX-NMOBSR)*LAIMOBR)*PPMFAC
C-----------------------------------------------------------------------
C Let the maximum of the two modifiers set the rate of mobilization.
C-----------------------------------------------------------------------
NMOBSR = (NMOBSRN + MAX(VNMOBR,LAIMOBR) *
& (NMOBSRX - NMOBSRN)) * PPMFAC
C-----------------------------------------------------------------------
C Set C mobilization rate from storage
C Default to CMOBSRN under most conditions
C set to CMOBSRX (max rate) after harvest or severe damage
C Reduce from either level depending on degree of dormancy
C Mobilization from storage is unaffected by water or N stress
C-----------------------------------------------------------------------
! CMOBSR = (CMOBSRN + ((CMOBSRX-CMOBSRN)*VNMOBR * LAIMOBR)) * PPMFAC
! CMOBSR = (CMOBSRN + (CMOBSRX-CMOBSRN)*VNMOBR)
! CMOBSR = (CMOBSR + (CMOBSRX-CMOBSR)*LAIMOBR)*PPMFAC
! CMOBSR = (CMOBSRN + MAX(VNMOBR,LAIMOBR) *
! & (CMOBSRX - CMOBSRN)) * PPMFAC
CMOBSR = (CMOBSRN + LAIMOBR *
& (CMOBSRX - CMOBSRN)) * PPMFAC
C-----------------------------------------------------------------------
C Calculate potential N mobilization for the day
C-----------------------------------------------------------------------
C-----------------------------------------------------------------------
C Compute max N mining, NMINEP, based on stage-dependent mining
C rate, NMOBR
C-----------------------------------------------------------------------
C Assume that a Maximum Fraction (NMOBMX) of N can be Mobilized per Day
C NVSMOB is the relative N mobil rate in veg stage, rel to reprod. stage
C-----------------------------------------------------------------------
C 9/27/95 ACCELERATE N MOBILIZATION AFTER R5, FUNCTION OF (1-SWFAC)
C ALLOWS ACCELERATING BY 50% IF MAX DEFICIT.
C 2/6/96 SOMETIMES SEEDS FILL, XPOD IS LOW, THEN N MOBILIZATION SLOWS
C I DON'T REALLY WANT THAT, LATE IN CYCLE. KJB
C NOW, DXR57 HITS CLOSE TO 1 AT MATURITY AND PREVENTS THAT
C-----------------------------------------------------------------------
NMOBR = NVSMOB * NMOBMX * TDUMX
IF (DAS .GT. NR5) THEN
NMOBR = NMOBMX * TDUMX2 * (1.0 + 0.5*(1.0 - SWFAC))
& * (1.0 + 0.3*(1.0 - NSTRES)) * (NVSMOB + (1. - NVSMOB)
& * MAX(XPOD,DXR57**2.))
ENDIF
NMINELF = NMOBR * WNRLF
LFNMINE = LFSNMOB + NMINELF
LFSNMOB = LFNMINE
NMINEST = NMOBR * WNRST
STNMINE = STSNMOB + NMINEST
STSNMOB = STNMINE
NMINERT = NMOBR * PPMFAC * WNRRT
RTNMINE = RTSNMOB + NMINERT
RTSNMOB = RTNMINE
NMINESR = NMOBSR * WNRSR
SRNMINE = SRSNMOB + NMINESR
SRSNMOB = SRNMINE
SHNMINE = NMOBR * WNRSH
NMINEP = LFNMINE + STNMINE + RTNMINE + SRNMINE + SHNMINE
NMINEO = NMINELF + NMINEST + NMINERT + NMINESR + SHNMINE
TSNMOB = LFSNMOB + STSNMOB + SRSNMOB + RTSNMOB
! TSNMOB = LFNMINE + STNMINE + RTNMINE + SRNMINE + SHNMINE
C ADDITIONAL DM LOSS DUE TO N MOBILIZATION? SENRTE
LFSENWT = SENRTE * NMINELF / 0.16
LFSENWT = MIN(WTLF,LFSENWT)
SLDOT = SLDOT + LFSENWT
SLDOT = MIN(WTLF,SLDOT)
STSENWT = LFSENWT * PORPT
SSDOT = SSDOT + STSENWT
SSDOT = MIN(STMWT, SSDOT)
C-----------------------------------------------------------------------
C Calculate potential CH2O mobilization for the day
C-----------------------------------------------------------------------
CMINELF = CMOBMX * (DTX + DXR57)* (WCRLF - WTLF * PCHOLFF)
LFCMINE = MAX(LFSCMOB, CMINELF)
CMINEST = CMOBMX * (DTX + DXR57)* (WCRST - STMWT * PCHOSTF)
STCMINE = MAX(STSCMOB, CMINEST)
CMINERT = CMOBMX * (DTX + DXR57)* PPMFAC *
& (WCRRT - RTWT * PCHORTF)
RTCMINE = MAX(RTSCMOB, CMINERT)
CMINESR = CMOBSR * (DTX + DXR57)* (WCRSR - STRWT * PCHOSRF)
SRCMINE = MAX(SRSCMOB, CMINESR)
SHCMINE = CMOBMX * (DTX + DXR57)* WCRSH
CMINEP = LFCMINE + STCMINE + RTCMINE + SRCMINE + SHCMINE
CMINEO = CMINELF + CMINEST + CMINERT + CMINESR + SHCMINE
!***********************************************************************
!***********************************************************************
! END OF DYNAMIC IF CONSTRUCT
!***********************************************************************
ENDIF
!***********************************************************************
RETURN
END ! SUBROUTINE FOR_SENMOB
!***********************************************************************
! SENES VARIABLE DEFINITIONS:
!-----------------------------------------------------------------------
! CHAR Contains the contents of last record read
! CMINELF Potential mobile CH2O avaialable today from leaf (g [CH2O] m-2)
! CMINEO DSSAT4 potential CH2O mobilization from storage (g[CH2O] / m2 / d)
! CMINEP Potential whole-plant CH2O mobilization from storage (g[CH2O] / m2 / d)
! CMINERT Potential mobile CH2O avaialable today from root (g [CH2O] m-2)
! CMINESR Potential mobile CH2O avaialable today from STOR (g [CH2O] m-2)
! CMINEST Potential mobile CH2O avaialable today from stem (g [CH2O] m-2)
! DAS Days after start of simulation (days)
! DAYL Current daylength (hours)
! DAYL_1 Yesterdays daylength (hours)
! DAYL_1 Daylength two days ago (hours)
! DLAYR(L) Soil Depth in layer L (cm)
! DTX Thermal time that occurs in a real day based on vegetative
! development temperature function (thermal days / day)
! DYNAMIC Module control variable; =RUNINIT, SEASINIT, RATE, EMERG,
! INTEGR, OUTPUT, or SEASEND
! ERR Error code for file operation
! FILECC Path plus filename for species file (*.spe)
! FOUND Indicator that good data was read from file by subroutine FIND
! (0 - End-of-file encountered, 1 - NAME was found)
! ICMP Light compensation point for senescence of lower leaves because
! of excessive self-shading by crop canopy (moles / m2 / day)
! ISECT Data record code (0 - End of file encountered, 1 - Found a good
! line to read, 2 - End of Section in file encountered, denoted
! by * in column 1
! KCAN Canopy light extinction coefficient for daily PAR, for
! equidistant plant spacing, modified when in-row and between
! row spacings are not equal
! LCMP LAI at which today's light compensation (ICMP) is reached
! (m2[leaf] / m2[ground])
! LFCMINE Today's maximum potential CH2O mobilization from leaf (g [CH2O] m-2)
! LFNMINE Today's maximum potential N mobilization from leaf (g [N] m-2)
! LFNSEN Defoliation from natural senescence (g [DM] m-2 d-1)
! LFSEN Maximum rate of natural leaf senescence per physiological day
! LFSCMOB Mass of leaf CH2O mobilized from tissue lost to natural
! senescence (g [CH2O] m-2 d-1)
! LFSNMOB Mass of leaf N mobilized from tissue lost to natural
! senescence (g [N] m-2 d-1)
! LNUM Current line number of input file