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CALSED.for
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CALSED.for
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SUBROUTINE CALSED
C
C CHANGE RECORD
C ** SUBROUTINE CALSED CALCULATES COHESIVE SEDIMENT SETTLING,
C ** DEPOSITION AND RESUSPENSION AND IS CALLED FOR SSEDTOX
C
USE GLOBAL
C
C**********************************************************************C
C
IF(ISDYNSTP.EQ.0)THEN
TIME=(DT*FLOAT(N)+TCON*TBEGIN)/TCON
ELSE
TIME=TIMESEC/TCON
ENDIF
C
C**********************************************************************C
C
C ** COHESIVE SEDIMENT, KC=1 (SINGLE LAYER IN VERTICAL)
C
IF(ISTRAN(6).GE.1.AND.KC.EQ.1)THEN
C PT -added SEDZLJ_main call.
C ******************
IF(NSEDFLUME.GT.0)THEN
CALL SEDZLJ_MAIN
ELSE
C ******************
DO NS=1,NSED
DSEDGMM=1.0/(1.0E6*SSG(NS))
C
C----------------------------------------------------------------------C
C
C ** SET SETTLING VELOCITIES
C
K=0
C
IF(ISEDVW.EQ.0)THEN
DO L=2,LA
WSETA(L,K,NS)=WSEDO(NS)
ENDDO
ENDIF
C
IF(ISEDVW.EQ.1)THEN
DO L=2,LA
WSETA(L,K,NS)=CSEDSET(L,SED(L,K+1,NS),0.0,ISEDVW)
ENDDO
ENDIF
C
IF(ISEDVW.EQ.2)THEN
IF(ISWAVE.EQ.0)THEN
DO L=2,LA
STRESS=QQ(L,0)/CTURB2
SHEAR=2.*DZIC(K+1)*HPI(L)*SQRT(STRESS)/VKC
WSETA(L,K,NS)=CSEDSET(L,SED(L,K+1,NS),SHEAR,ISEDVW)
ENDDO
ELSE
DO L=2,LA
TAUBC=QQ(L,0)/CTURB2
UTMP=0.5*STCUV(L)*(U(L+1,1)+U(L,1))+1.E-12
VTMP=0.5*STCUV(L)*(V(LNC(L),1)+V(L,1))
CURANG=ATAN2(VTMP,UTMP)
TAUB2=TAUBC*TAUBC+0.5*(QQWV2(L)*QQWV2(L))
& +FOURDPI*TAUBC*QQWV2(L)*COS(CURANG-WACCWE(L))
TAUB2=MAX(TAUB2,0.)
STRESS=SQRT(TAUB2)
SHEAR=2.*DZIC(K+1)*HPI(L)*SQRT(STRESS)/VKC
WSETA(L,K,NS)=CSEDSET(L,SED(L,K+1,NS),SHEAR,ISEDVW)
ENDDO
ENDIF
ENDIF
C
IF(ISEDVW.GE.3.AND.ISEDVW.LE.4)THEN
IF(ISWAVE.EQ.0)THEN
DO L=2,LA
STRESS=0.5*QQ(L,0)/CTURB2
WSETA(L,K,NS)=CSEDSET(L,SED(L,K+1,NS),STRESS,ISEDVW)
ENDDO
ELSE
DO L=2,LA
TAUBC=QQ(L,0)/CTURB2
UTMP=0.5*STCUV(L)*(U(L+1,1)+U(L,1))+1.E-12
VTMP=0.5*STCUV(L)*(V(LNC(L),1)+V(L,1))
CURANG=ATAN2(VTMP,UTMP)
TAUB2=TAUBC*TAUBC+0.5*(QQWV2(L)*QQWV2(L))
& +FOURDPI*TAUBC*QQWV2(L)*COS(CURANG-WACCWE(L))
TAUB2=MAX(TAUB2,0.)
STRESS=0.5*SQRT(TAUB2)+0.5*QQ(L,1)/CTURB2
WSETA(L,K,NS)=CSEDSET(L,SED(L,K+1,NS),STRESS,ISEDVW)
ENDDO
ENDIF
ENDIF
C
IF(ISEDVW.EQ.5)THEN
DO L=2,LA
UUSTARTMP=QCELLCTR(L)*SQRT(QQ(L,0)/CTURB2)
STRESS=SQRT(HPI(L)*HPI(L)*UUSTARTMP)
WSETA(L,K,NS)=CSEDSET(L,SED(L,K+1,NS),STRESS,ISEDVW)
ENDDO
ENDIF
C
IF(ISEDVW.GE.1)THEN
DO L=2,LA
WSETA(L,K,NS)=MAX(WSETA(L,K,NS),WSEDO(NS))
ENDDO
ENDIF
C
C----------------------------------------------------------------------C
C
C ** HORIZONTAL LOOP
C
DO L=2,LA
SEDF(L,1,NS)=0.0
PROBDEP=0.0
WESE=0.0
C ** SET MAXIMUM EROSION RATE
c1104 WESEMX=0.5*DELTI*CTMPDRY(L)*SEDB(L,KBT(L),NS)
WESEMX=DELTI*CTMPDRY(L)*SEDB(L,KBT(L),NS)
c1104 IF(KBT(L).NE.1) WESEMX=3.*WESEMX
WESEMX=MAX(WESEMX,0.)
IF(TAUBSED(L).GT.TAURB(L,KBT(L)))THEN
C ** MASS EROSION
WESE=CTMPDRY(L)*WRSPB(L,KBT(L))*VFRBED(L,KBT(L),NS)
WESE=MIN(WESE,WESEMX)
ELSE
IF(TAUBSED(L).GT.TAURS(L,KBT(L)))THEN
C ** SURFACE EROSION
WESE=CTMPDRY(L)*WRSPS(L,KBT(L))*VFRBED(L,KBT(L),NS)
c1104 WESE=MIN(WESE,WESEMX)
TAURTMP=TAURS(L,KBT(L))
C#######################################################################
C HQI Change, 01/05/04, SO and RM
C Change to implement HQI Sed-flume analysis based critical shear
C stress options
C IF(IWRSP(1).GE.2) TAURTMP=TAUR(1)
IF((IWRSP(1).GE.2).AND.(IWRSP(1).LT.99)) TAURTMP=TAUR(1)
C#######################################################################
TAUE=(TAUBSED(L)-TAURS(L,KBT(L)))/TAURTMP
TAUE=MAX(TAUE,0.0)
TMPSEDHID=1.0
IF(ISTRAN(7).GE.1.AND.COSEDHID(1).NE.0.0)
& TMPSEDHID=(FRACCOH(L,KBT(L)))**COSEDHID(1)
C#######################################################################
C HQI change to implement spatially varying coefficient and exponent
C in resuspension formulation based on Ed G analysis of Sed-flume data
C
IF(IWRSP(1).LT.99)THEN
WESE=TMPSEDHID*WESE*(TAUE**TEXP(NS))
ELSE
! SO HQI change to implement spatially varying coefficient and exponent
! SO in resuspension formulation based re-analysis of Sedflume data with
! SO a new partition of domain (see SSEDTOX.FOR, line 587)
! SO 05/14/04
IF ( L.LE.2042 ) THEN
WESE=TMPSEDHID*WESE*(TAUE**0.949) ! All of 5C
ELSE ! + Woods Pond
WESE=TMPSEDHID*WESE*(TAUE**1.59 ) ! North of (All of
END IF ! 5C + Woods Pond)
ENDIF
C#######################################################################
c1104
WESE=MIN(WESE,WESEMX)
c1104
ELSE
C ** NO EROSION
WESE=0.0
ENDIF
ENDIF
C ** SET PROBABILITY OF DEPOSITION
C#######################################################################
C HQI Change, 04/25/04
C Change to compute probability of deposition using total bed shear
C rather than cohesive grain shear
c IF(TAUBSED(L).LT.TAUD(NS))
c & PROBDEP=(TAUD(NS)-TAUBSED(L))/TAUD(NS)
IF(TAUB(L).LT.TAUD(NS))
& PROBDEP=(TAUD(NS)-TAUB(L))/TAUD(NS)
C#######################################################################
IF(SED(L,1,NS).GT.SEDMDGM) PROBDEP=1.
WSETMP=PROBDEP*WSETA(L,0,NS)
WVEL=DELT*HPI(L)*DZIC(1)
CLEFT=1.+WSETMP*WVEL
CRIGHT=MAX(SED(L,1,NS),0.)+(WESE-SEDF(L,1,NS))*WVEL
SED(L,1,NS)=CRIGHT/CLEFT
SEDF(L,0,NS)=-WSETMP*SED(L,1,NS)+WESE
SEDBTMP=SEDB(L,KBT(L),NS)-DELT*SEDF(L,0,NS)
! *** Limit Erosion to Available Mass
IF(SEDBTMP.LT.0.0)THEN
SEDF(L,0,NS)=DELTI*SEDB(L,KBT(L),NS)
SEDBTMP=0.0
SED(L,1,NS)=SEDS(L,1,NS)+(SEDF(L,0,NS)-SEDF(L,1,NS))*WVEL
ENDIF
SEDB1(L,KBT(L),NS)=SEDB(L,KBT(L),NS)
SEDB(L,KBT(L),NS)=SEDBTMP
QSBDTOP(L)=QSBDTOP(L)+DSEDGMM*SEDF(L,0,NS)
QWBDTOP(L)=QWBDTOP(L)+DSEDGMM*
& ( VDRBED(L,KBT(L))*MAX(SEDF(L,0,NS),0.)
& +VDRDEPO(NS)*MIN(SEDF(L,0,NS),0.) )
ENDDO
C
C----------------------------------------------------------------------C
C
ENDDO
ENDIF
ENDIF
C
C**********************************************************************C
C
C ** COHESIVE SEDIMENT, KC=2 (TWO LAYERS IN VERTICAL)
C
IF(ISTRAN(6).GE.1.AND.KC.EQ.2)THEN
C ******************
IF(NSEDFLUME.GT.0)THEN
CALL SEDZLJ_MAIN
ELSE
C ******************
DO NS=1,NSED
DSEDGMM=1./(1.E6*SSG(NS))
C
C----------------------------------------------------------------------C
C
C ** SET SETTLING VELOCITIES
C
IF(ISEDVW.EQ.0)THEN
DO K=0,KS
DO L=2,LA
WSETA(L,K,NS)=WSEDO(NS)
ENDDO
ENDDO
ENDIF
C
IF(ISEDVW.EQ.1)THEN
DO K=0,KS
DO L=2,LA
WSETA(L,K,NS)=CSEDSET(L,SED(L,K+1,NS),0.0,ISEDVW)
ENDDO
ENDDO
ENDIF
C
IF(ISEDVW.EQ.2)THEN
K=0
DO L=2,LA
TAUBC=QQ(L,0)/CTURB2
UTMP=0.5*STCUV(L)*(U(L+1,1)+U(L,1))+1.E-12
VTMP=0.5*STCUV(L)*(V(LNC(L),1)+V(L,1))
CURANG=ATAN2(VTMP,UTMP)
TAUB2=TAUBC*TAUBC+0.5*(QQWV2(L)*QQWV2(L))
& +FOURDPI*TAUBC*QQWV2(L)*COS(CURANG-WACCWE(L))
TAUB2=MAX(TAUB2,0.)
STRESS=SQRT(TAUB2)
SHEAR=2.*DZIC(K+1)*HPI(L)*SQRT(STRESS)/VKC
WSETA(L,K,NS)=CSEDSET(L,SED(L,K+1,NS),SHEAR,ISEDVW)
ENDDO
K=1
DO L=2,LA
LN=LNC(L)
SHEAR=HPI(L)*SQRT( DZIGSD4(K) )
& *SQRT( (U(L+1,K+1)-U(L+1,K)+U(L,K+1)-U(L,K))**2
& +(V(LN ,K+1)-V(LN ,K)+V(L,K+1)-V(L,K))**2 )
WSETA(L,K,NS)=CSEDSET(L,SED(L,K+1,NS),SHEAR,ISEDVW)
ENDDO
ENDIF
C
IF(ISEDVW.GE.3)THEN
K=0
DO L=2,LA
TAUBC=QQ(L,0)/CTURB2
UTMP=0.5*STCUV(L)*(U(L+1,1)+U(L,1))+1.E-12
VTMP=0.5*STCUV(L)*(V(LNC(L),1)+V(L,1))
CURANG=ATAN2(VTMP,UTMP)
TAUB2=TAUBC*TAUBC+0.5*(QQWV2(L)*QQWV2(L))
& +FOURDPI*TAUBC*QQWV2(L)*COS(CURANG-WACCWE(L))
TAUB2=MAX(TAUB2,0.)
STRESS=SQRT(TAUB2)
WSETA(L,K,NS)=CSEDSET(L,SED(L,K+1,NS),STRESS,ISEDVW)
ENDDO
K=1
DO L=2,LA
LN=LNC(L)
STRESS=AV(L,K)*SQRT( DZIGSD4(K) )
& *SQRT( (U(L+1,K+1)-U(L+1,K)+U(L,K+1)-U(L,K))**2
& +(V(LN ,K+1)-V(LN ,K)+V(L,K+1)-V(L,K))**2 )
WSETA(L,K,NS)=CSEDSET(L,SED(L,K+1,NS),STRESS,ISEDVW)
ENDDO
ENDIF
C
C----------------------------------------------------------------------C
C
C ** HORIZONTAL LOOPS
C
K=2
DO L=2,LA
SEDF(L,K,NS)=0.
WVEL=DELT*HPI(L)*DZIC(K)
CLEFT=1.+WSETA(L,K-1,NS)*WVEL
CRIGHT=MAX(SED(L,K,NS),0.)
SED(L,K,NS)=CRIGHT/CLEFT
SEDF(L,K-1,NS)=-WSETA(L,K-1,NS)*SED(L,K,NS)
ENDDO
C
DO L=2,LA
PROBDEP=0.
WESE=0.
C ** SET MAXIMUM EROSION RATE
c1104 WESEMX=0.5*DELTI*CTMPDRY(L)*SEDB(L,KBT(L),NS)
WESEMX=DELTI*CTMPDRY(L)*SEDB(L,KBT(L),NS)
c1104 IF(KBT(L).NE.1) WESEMX=3.*WESEMX
WESEMX=MAX(WESEMX,0.)
IF(TAUBSED(L).GT.TAURB(L,KBT(L)))THEN
C ** MASS EROSION
WESE=CTMPDRY(L)*WRSPB(L,KBT(L))*VFRBED(L,KBT(L),NS)
WESE=MIN(WESE,WESEMX)
ELSE
IF(TAUBSED(L).GT.TAURS(L,KBT(L)))THEN
C ** SURFACE EROSION
WESE=CTMPDRY(L)*WRSPS(L,KBT(L))*VFRBED(L,KBT(L),NS)
c1104 WESE=MIN(WESE,WESEMX)
TAURTMP=TAURS(L,KBT(L))
IF(IWRSP(1).GE.2)TAURTMP=TAUR(1)
TAUE=(TAUBSED(L)-TAURS(L,KBT(L)))/TAURTMP
TAUE=MAX(TAUE,0.0)
TMPSEDHID=1.0
IF(ISTRAN(7).GE.1.AND.COSEDHID(1).NE.0.0)
& TMPSEDHID=(FRACCOH(L,KBT(L)))**COSEDHID(1)
WESE=TMPSEDHID*WESE*(TAUE**TEXP(NS))
c1104
WESE=MIN(WESE,WESEMX)
c1104
ELSE
C ** NO EROSION
WESE=0.0
ENDIF
ENDIF
C ** SET PROBABILITY OF DEPOSITION
IF(TAUBSED(L).LT.TAUD(NS))
& PROBDEP=(TAUD(NS)-TAUBSED(L))/TAUD(NS)
IF(SED(L,1,NS).GT.SEDMDGM) PROBDEP=1.
WSETMP=PROBDEP*WSETA(L,0,NS)
WVEL=DELT*HPI(L)*DZIC(1)
CLEFT=1.+WSETMP*WVEL
CRIGHT=MAX(SED(L,1,NS),0.)+(WESE-SEDF(L,1,NS))*WVEL
SED(L,1,NS)=CRIGHT/CLEFT
SEDF(L,0,NS)=-WSETMP*SED(L,1,NS)+WESE
cjmh216 SEDBTMP=SEDB1(L,KBT(L),NS)-DELT*SEDF(L,0,NS)
SEDBTMP=SEDB(L,KBT(L),NS)-DELT*SEDF(L,0,NS)
C IF(SEDBTMP.LT.0.0)THEN
C SEDF(L,0,NS)=0.
C SEDBTMP=SEDB1(L,KBT(L),NS)
C SED(L,1,NS)=SEDS(L,1,NS)-SEDF(L,1,NS)*WVEL
C ENDIF
C SEDB1(L,KBT(L),NS)=S3TL*SEDB(L,KBT(L),NS)
C & +S2TL*SEDB1(L,KBT(L),NS)
C SEDB(L,KBT(L),NS)=SEDBTMP
IF(SEDBTMP.LT.0.0)THEN
c1104 SEDF(L,0,NS)=DELTI*SEDB1(L,KBT(L),NS)
c1104
SEDF(L,0,NS)=DELTI*SEDB(L,KBT(L),NS)
c1104
SEDBTMP=0.0
SED(L,1,NS)=SEDS(L,1,NS)
& +(SEDF(L,0,NS)-SEDF(L,1,NS))*WVEL
ENDIF
cjmh216 SEDB1(L,KBT(L),NS)=S3TL*SEDB(L,KBT(L),NS)
cjmh216 & +S2TL*SEDB1(L,KBT(L),NS)
SEDB1(L,KBT(L),NS)=SEDB(L,KBT(L),NS)
SEDB(L,KBT(L),NS)=SEDBTMP
QSBDTOP(L)=QSBDTOP(L)+DSEDGMM*SEDF(L,0,NS)
QWBDTOP(L)=QWBDTOP(L)+DSEDGMM*
& ( VDRBED(L,KBT(L))*MAX(SEDF(L,0,NS),0.)
& +VDRDEPO(NS)*MIN(SEDF(L,0,NS),0.) )
ENDDO
C
C----------------------------------------------------------------------C
C
C ** ANTI-DIFFUSION OF COHESIVE SEDIMENT KC.EQ.2
C
IF(ISTOPT(6).EQ.1)THEN
C
DO L=2,LA
CRNUM=1.+DELT*WSETA(L,1,NS)*HPI(L)*DZIC(KC)
GRADSED=(SED(L,KC,NS)-SED(L,1,NS))/(DZC(KC)+DZC(1))
SEDAVG=0.5*(SED(L,KC,NS)+SED(L,1,NS)+1.E-16)
WSETA(L,1,NS)=-CRNUM*DZC(KC)*WSETA(L,1,NS)*GRADSED/SEDAVG
ENDDO
C
DO L=2,LA
AA11=DELTI*DZC(1)*HP(L)-MIN(WSETA(L,1,NS),0.)
AA12=-MAX(WSETA(L,1,NS),0.)
AA21=MIN(WSETA(L,1,NS),0.)
AA22=DELTI*DZC(KC)*HP(L)+MAX(WSETA(L,1,NS),0.)
BB11=DELTI*DZC(1)*HP(L)*SED(L,1,NS)
BB22=DELTI*DZC(KC)*HP(L)*SED(L,KC,NS)
DETI=1./(AA11*AA22-AA12*AA21)
SED(L,1,NS)=DETI*( BB11*AA22-BB22*AA12 )
SED(L,KC,NS)=DETI*( AA11*BB22-AA21*BB11 )
ENDDO
C
ENDIF
C
C----------------------------------------------------------------------C
C
C ** FINAL FLUX KC=2
C
DO L=2,LA
SEDF(L,1,NS)=DELTI*DZC(KC)*HP(L)*(SED(L,KC,NS)
& -SEDS(L,KC,NS))
ENDDO
C
C----------------------------------------------------------------------C
C
ENDDO
ENDIF
ENDIF
C
C PT note: end of KC = 2 loop. added another ENDIF to accomodate for the call SEDZLJ IF loop.
C**********************************************************************C
C
C ** COHESIVE SEDIMENT, KC=3 (THREE LAYERS IN VERTICAL)
C
IF(ISTRAN(6).GE.1.AND.KC.EQ.3)THEN
C ********************************
C PT--add call to SEDZLJ.
IF(NSEDFLUME.GT.0)THEN
CALL SEDZLJ_MAIN
ELSE
C ******************
DO NS=1,NSED
DSEDGMM=1./(1.E6*SSG(NS))
C
C----------------------------------------------------------------------C
C
C ** SET SETTLING VELOCITIES
C
IF(ISEDVW.EQ.0)THEN
DO K=0,KS
DO L=2,LA
WSETA(L,K,NS)=WSEDO(NS)
ENDDO
ENDDO
ENDIF
C
IF(ISEDVW.EQ.1)THEN
DO K=0,KS
DO L=2,LA
WSETA(L,K,NS)=CSEDSET(L,SED(L,K+1,NS),0.0,ISEDVW)
ENDDO
ENDDO
ENDIF
C
IF(ISEDVW.EQ.2)THEN
K=0
DO L=2,LA
TAUBC=QQ(L,0)/CTURB2
UTMP=0.5*STCUV(L)*(U(L+1,1)+U(L,1))+1.E-12
VTMP=0.5*STCUV(L)*(V(LNC(L),1)+V(L,1))
CURANG=ATAN2(VTMP,UTMP)
TAUB2=TAUBC*TAUBC+0.5*(QQWV2(L)*QQWV2(L))
& +FOURDPI*TAUBC*QQWV2(L)*COS(CURANG-WACCWE(L))
TAUB2=MAX(TAUB2,0.)
STRESS=SQRT(TAUB2)
SHEAR=2.*DZIC(K+1)*HPI(L)*SQRT(STRESS)/VKC
WSETA(L,K,NS)=CSEDSET(L,SED(L,K+1,NS),SHEAR,ISEDVW)
ENDDO
DO K=1,KS
DO L=2,LA
LN=LNC(L)
SHEAR=HPI(L)*SQRT( DZIGSD4(K) )
& *SQRT( (U(L+1,K+1)-U(L+1,K)+U(L,K+1)-U(L,K))**2
& +(V(LN ,K+1)-V(LN ,K)+V(L,K+1)-V(L,K))**2 )
WSETA(L,K,NS)=CSEDSET(L,SED(L,K+1,NS),SHEAR,ISEDVW)
ENDDO
ENDDO
ENDIF
C
IF(ISEDVW.GE.3)THEN
K=0
DO L=2,LA
TAUBC=QQ(L,0)/CTURB2
UTMP=0.5*STCUV(L)*(U(L+1,1)+U(L,1))+1.E-12
VTMP=0.5*STCUV(L)*(V(LNC(L),1)+V(L,1))
CURANG=ATAN2(VTMP,UTMP)
TAUB2=TAUBC*TAUBC+0.5*(QQWV2(L)*QQWV2(L))
& +FOURDPI*TAUBC*QQWV2(L)*COS(CURANG-WACCWE(L))
TAUB2=MAX(TAUB2,0.)
STRESS=SQRT(TAUB2)
WSETA(L,K,NS)=CSEDSET(L,SED(L,K+1,NS),STRESS,ISEDVW)
ENDDO
DO K=1,KS
DO L=2,LA
LN=LNC(L)
STRESS=AV(L,K)*SQRT( DZIGSD4(K) )
& *SQRT( (U(L+1,K+1)-U(L+1,K)+U(L,K+1)-U(L,K))**2
& +(V(LN ,K+1)-V(LN ,K)+V(L,K+1)-V(L,K))**2 )
WSETA(L,K,NS)=CSEDSET(L,SED(L,K+1,NS),STRESS,ISEDVW)
ENDDO
ENDDO
ENDIF
C
C----------------------------------------------------------------------C
C
C ** HORIZONTAL LOOPS
C
K=3
DO L=2,LA
SEDF(L,K,NS)=0.
WVEL=DELT*HPI(L)*DZIC(K)
CLEFT=1.+WSETA(L,K-1,NS)*WVEL
CRIGHT=MAX(SED(L,K,NS),0.)
SED(L,K,NS)=CRIGHT/CLEFT
SEDF(L,K-1,NS)=-WSETA(L,K-1,NS)*SED(L,K,NS)
ENDDO
C
K=2
DO L=2,LA
WVEL=DELT*HPI(L)*DZIC(K)
CLEFT=1.+WSETA(L,K-1,NS)*WVEL
CRIGHT=MAX(SED(L,K,NS),0.)-SEDF(L,K,NS)*WVEL
SED(L,K,NS)=CRIGHT/CLEFT
SEDF(L,K-1,NS)=-WSETA(L,K-1,NS)*SED(L,K,NS)
ENDDO
C
DO L=2,LA
PROBDEP=0.
WESE=0.
C ** SET MAXIMUM EROSION RATE
c1104 WESEMX=0.5*DELTI*CTMPDRY(L)*SEDB(L,KBT(L),NS)
WESEMX=DELTI*CTMPDRY(L)*SEDB(L,KBT(L),NS)
c1104 IF(KBT(L).NE.1) WESEMX=3.*WESEMX
IF(TAUBSED(L).GT.TAURB(L,KBT(L)))THEN
C ** MASS EROSION
WESE=CTMPDRY(L)*WRSPB(L,KBT(L))*VFRBED(L,KBT(L),NS)
WESE=MIN(WESE,WESEMX)
ELSE
IF(TAUBSED(L).GT.TAURS(L,KBT(L)))THEN
C ** SURFACE EROSION
WESE=CTMPDRY(L)*WRSPS(L,KBT(L))*VFRBED(L,KBT(L),NS)
c1104 WESE=MIN(WESE,WESEMX)
TAURTMP=TAURS(L,KBT(L))
IF(IWRSP(1).GE.2)TAURTMP=TAUR(1)
TAUE=(TAUBSED(L)-TAURS(L,KBT(L)))/TAURTMP
TAUE=MAX(TAUE,0.0)
TMPSEDHID=1.0
IF(ISTRAN(7).GE.1.AND.COSEDHID(1).NE.0.0)
& TMPSEDHID=(FRACCOH(L,KBT(L)))**COSEDHID(1)
WESE=TMPSEDHID*WESE*(TAUE**TEXP(NS))
c1104
WESE=MIN(WESE,WESEMX)
c1104
ELSE
C ** NO EROSION
WESE=0.0
ENDIF
ENDIF
C ** SET PROBABILITY OF DEPOSITION
IF(TAUBSED(L).LT.TAUD(NS))
& PROBDEP=(TAUD(NS)-TAUBSED(L))/TAUD(NS)
IF(SED(L,1,NS).GT.SEDMDGM) PROBDEP=1.
WSETMP=PROBDEP*WSETA(L,0,NS)
WVEL=DELT*HPI(L)*DZIC(1)
CLEFT=1.+WSETMP*WVEL
CRIGHT=MAX(SED(L,1,NS),0.)+(WESE-SEDF(L,1,NS))*WVEL
SED(L,1,NS)=CRIGHT/CLEFT
SEDF(L,0,NS)=-WSETMP*SED(L,1,NS)+WESE
cjmh216 SEDBTMP=SEDB1(L,KBT(L),NS)-DELT*SEDF(L,0,NS)
SEDBTMP=SEDB(L,KBT(L),NS)-DELT*SEDF(L,0,NS)
C IF(SEDBTMP.LT.0.0)THEN
C SEDF(L,0,NS)=0.
C SEDBTMP=SEDB1(L,KBT(L),NS)
C SED(L,1,NS)=SEDS(L,1,NS)-SEDF(L,1,NS)*WVEL
C ENDIF
C SEDB1(L,KBT(L),NS)=S3TL*SEDB(L,KBT(L),NS)
C & +S2TL*SEDB1(L,KBT(L),NS)
C SEDB(L,KBT(L),NS)=SEDBTMP
IF(SEDBTMP.LT.0.0)THEN
c1104 SEDF(L,0,NS)=DELTI*SEDB1(L,KBT(L),NS)
c1104
SEDF(L,0,NS)=DELTI*SEDB(L,KBT(L),NS)
c1104
SEDBTMP=0.0
SED(L,1,NS)=SEDS(L,1,NS)
& +(SEDF(L,0,NS)-SEDF(L,1,NS))*WVEL
ENDIF
cjmh216 SEDB1(L,KBT(L),NS)=S3TL*SEDB(L,KBT(L),NS)
cjmh216 & +S2TL*SEDB1(L,KBT(L),NS)
SEDB1(L,KBT(L),NS)=SEDB(L,KBT(L),NS)
SEDB(L,KBT(L),NS)=SEDBTMP
QSBDTOP(L)=QSBDTOP(L)+DSEDGMM*SEDF(L,0,NS)
QWBDTOP(L)=QWBDTOP(L)+DSEDGMM*
& ( VDRBED(L,KBT(L))*MAX(SEDF(L,0,NS),0.)
& +VDRDEPO(NS)*MIN(SEDF(L,0,NS),0.) )
ENDDO
C
C----------------------------------------------------------------------C
C
C ** ANTI-DIFFUSION OF COHESIVE SEDIMENT KC.EQ.3
C
IF(ISTOPT(6).EQ.1)THEN
C
DO K=1,2
DO L=2,LA
CRNUM=1.+DELT*WSETA(L,K,NS)*HPI(L)*DZIC(K+1)
GRADSED=(SED(L,K+1,NS)-SED(L,K,NS))/(DZC(K+1)+DZC(K))
SEDAVG=0.5*(SED(L,K+1,NS)-SED(L,K,NS)+1.E-16)
WSETA(L,K,NS)=-CRNUM*DZC(K+1)*WSETA(L,K,NS)*
& GRADSED/SEDAVG
ENDDO
ENDDO
C
C TVAR1S=LOWER DIAGONAL
DO L=2,LA
TVAR1S(L,1)=0
ENDDO
DO K=2,KC
DO L=2,LA
TVAR1S(L,K)=MIN(WSETA(L,K-1,NS),0.)
ENDDO
ENDDO
C TVAR1N=UPPER DIAGONAL
DO L=2,LA
TVAR1N(L,KC)=0
ENDDO
DO K=1,KS
DO L=2,LA
TVAR1N(L,K)=-MAX(WSETA(L,K,NS),0.)
ENDDO
ENDDO
C TVAR1W=MAIN DIAGONAL
DO L=2,LA
TVAR1W(L,1)=DELTI*DZC(1)*HP(L)-MIN(WSETA(L,1,NS),0.)
TVAR1W(L,KC)=DELTI*DZC(KC)*HP(L)+MAX(WSETA(L,KC-1,NS),0.)
ENDDO
DO K=2,KS
DO L=2,LA
TVAR1W(L,K)=DELTI*DZC(KC)*HP(L)+MAX(WSETA(L,K-1,NS),0.)
& -MIN(WSETA(L,K,NS),0.)
ENDDO
ENDDO
C TVAR1E=RIGHT HAND SIDE
DO K=1,KC
DO L=2,LA
TVAR1E(L,K)=DELTI*DZC(KC)*HP(L)*SED(L,K,NS)
ENDDO
ENDDO
C
C TVAR3S=BET,TVAR2N=U,TVAR2S=GAM ARE WORKING ARRAYS
DO L=2,LA
TVAR3S(L)=TVAR1W(L,1)
ENDDO
DO L=2,LA
TVAR2N(L,1)=TVAR1E(L,1)/TVAR3S(L)
ENDDO
DO K=2,KC
DO L=2,LA
TVAR2S(L,K)=TVAR1N(L,K-1)/TVAR3S(L)
TVAR3S(L)=TVAR1W(L,K)-TVAR1S(L,K)*TVAR2S(L,K)
TVAR2N(L,K)=(TVAR1E(L,K)-TVAR1S(L,K)*TVAR2N(L,K-1))/
& TVAR3S(L)
ENDDO
ENDDO
DO K=KS,1,-1
DO L=2,LA
TVAR2N(L,K)=TVAR2N(L,K)-TVAR2S(L,K+1)*TVAR2N(L,K+1)
ENDDO
ENDDO
DO K=1,KC
DO L=2,LA
SED(L,K,NS)=TVAR2N(L,K)
ENDDO
ENDDO
C
ENDIF
C
C----------------------------------------------------------------------C
C
C ** FINAL FLUX KC=3
C
DO L=2,LA
SEDF(L,KC-1,NS)=DELTI*DZC(KC)*HP(L)*(SED(L,KC,NS)
& -SEDS(L,KC,NS))
ENDDO
DO L=2,LA
SEDF(L,1,NS)=DELTI*DZC(KC-1)*HP(L)*(SED(L,KC-1,NS)
& -SEDS(L,KC-1,NS))+SEDF(L,KC-1,NS)
ENDDO
C
C----------------------------------------------------------------------C
C
ENDDO
ENDIF
ENDIF
C
C PT note: end of KC = 3 case. Added extra ENDIF to call on SEDZLJ.
C**********************************************************************C
C
C ** COHESIVE SEDIMENT, KC.GT.3 (THREE OR MORE LAYERS IN VERTICAL)
C ** Sedflume Options Added
C The whole loop has been modified to accomodate SEDZLJ
C CAJ December, 2004
C
IF(ISTRAN(6).GE.1.AND.KC.GT.3)THEN
IF(NSEDFLUME.GT.0)THEN
CALL SEDZLJ_MAIN
ELSE
C----------------------------------------------------------------------C
DO NS=1,NSED
DSEDGMM=1./(1.E6*SSG(NS))
C
C----------------------------------------------------------------------C
C
C ** SET SETTLING VELOCITIES
C
IF(ISEDVW.EQ.0)THEN
DO K=0,KS
DO L=2,LA
WSETA(L,K,NS)=WSEDO(NS)
ENDDO
ENDDO
ENDIF
C
IF(ISEDVW.EQ.1)THEN
DO K=0,KS
DO L=2,LA
WSETA(L,K,NS)=CSEDSET(L,SED(L,K+1,NS),0.0,ISEDVW)
ENDDO
ENDDO
ENDIF
C
IF(ISEDVW.EQ.2)THEN
K=0
DO L=2,LA
TAUBC=QQ(L,0)/CTURB2
UTMP=0.5*STCUV(L)*(U(L+1,1)+U(L,1))+1.E-12
VTMP=0.5*STCUV(L)*(V(LNC(L),1)+V(L,1))
CURANG=ATAN2(VTMP,UTMP)
TAUB2=TAUBC*TAUBC+0.5*(QQWV2(L)*QQWV2(L))
& +FOURDPI*TAUBC*QQWV2(L)*COS(CURANG-WACCWE(L))
TAUB2=MAX(TAUB2,0.)
STRESS=SQRT(TAUB2)
SHEAR=2.*DZIC(K+1)*HPI(L)*SQRT(STRESS)/VKC
WSETA(L,K,NS)=CSEDSET(L,SED(L,K+1,NS),SHEAR,ISEDVW)
ENDDO
DO K=1,KS
DO L=2,LA
LN=LNC(L)
SHEAR=HPI(L)*SQRT( DZIGSD4(K) )
& *SQRT( (U(L+1,K+1)-U(L+1,K)+U(L,K+1)-U(L,K))**2
& +(V(LN ,K+1)-V(LN ,K)+V(L,K+1)-V(L,K))**2 )
WSETA(L,K,NS)=CSEDSET(L,SED(L,K+1,NS),SHEAR,ISEDVW)
ENDDO
ENDDO
ENDIF
C
IF(ISEDVW.GE.3)THEN
K=0
DO L=2,LA
TAUBC=QQ(L,0)/CTURB2
UTMP=0.5*STCUV(L)*(U(L+1,1)+U(L,1))+1.E-12
VTMP=0.5*STCUV(L)*(V(LNC(L),1)+V(L,1))
CURANG=ATAN2(VTMP,UTMP)
TAUB2=TAUBC*TAUBC+0.5*(QQWV2(L)*QQWV2(L))
& +FOURDPI*TAUBC*QQWV2(L)*COS(CURANG-WACCWE(L))
TAUB2=MAX(TAUB2,0.)
STRESS=SQRT(TAUB2)
WSETA(L,K,NS)=CSEDSET(L,SED(L,K+1,NS),STRESS,ISEDVW)
ENDDO
DO K=1,KS
DO L=2,LA
LN=LNC(L)
STRESS=AV(L,K)*SQRT( DZIGSD4(K) )
& *SQRT( (U(L+1,K+1)-U(L+1,K)+U(L,K+1)-U(L,K))**2
& +(V(LN ,K+1)-V(LN ,K)+V(L,K+1)-V(L,K))**2 )
WSETA(L,K,NS)=CSEDSET(L,SED(L,K+1,NS),STRESS,ISEDVW)
ENDDO
ENDDO
ENDIF
C
IF(ISEDVW.GE.3)THEN
K=0
L=857
TAUBC=QQ(L,0)/CTURB2
UTMP=0.5*STCUV(L)*(U(L+1,1)+U(L,1))+1.E-12
VTMP=0.5*STCUV(L)*(V(LNC(L),1)+V(L,1))
CURANG=ATAN2(VTMP,UTMP)
TAUB2=TAUBC*TAUBC+0.5*(QQWV2(L)*QQWV2(L))
& +FOURDPI*TAUBC*QQWV2(L)*COS(CURANG-WACCWE(L))
TAUB2=MAX(TAUB2,0.)
STRESSS(K)=SQRT(TAUB2)
DO K=1,KS
L=857
LN=LNC(L)
STRESSS(K)=AV(L,K)*SQRT( DZIGSD4(K) )
& *SQRT( (U(L+1,K+1)-U(L+1,K)+U(L,K+1)-U(L,K))**2
& +(V(LN ,K+1)-V(LN ,K)+V(L,K+1)-V(L,K))**2 )
ENDDO
ENDIF
C
C WRITE(11,6111)TIME,(WSETA(857,K,1),K=0,KS)
C WRITE(41,6111)TIME,(STRESSS(K),K=0,KS)
6111 FORMAT(F10.2,10E12.4)
C
C----------------------------------------------------------------------C
C
C ** HORIZONTAL LOOPS
C
K=KC
DO L=2,LA
SEDF(L,K,NS)=0.
WVEL=DELT*HPI(L)*DZIC(K)
CLEFT=1.+WSETA(L,K-1,NS)*WVEL
CRIGHT=MAX(SED(L,K,NS),0.)
SED(L,K,NS)=CRIGHT/CLEFT
SEDF(L,K-1,NS)=-WSETA(L,K-1,NS)*SED(L,K,NS)
ENDDO
C
DO K=KS,2,-1
DO L=2,LA
WVEL=DELT*HPI(L)*DZIC(K)
CLEFT=1.+WSETA(L,K-1,NS)*WVEL
CRIGHT=MAX(SED(L,K,NS),0.)-SEDF(L,K,NS)*WVEL
SED(L,K,NS)=CRIGHT/CLEFT
SEDF(L,K-1,NS)=-WSETA(L,K-1,NS)*SED(L,K,NS)
ENDDO
ENDDO
C
DO L=2,LA
PROBDEP=0.
WESE=0.
C ** SET MAXIMUM EROSION RATE
WESEMX=DELTI*CTMPDRY(L)*SEDB(L,KBT(L),NS)
WESEMX=MAX(WESEMX,0.)
IF(TAUBSED(L).GT.TAURB(L,KBT(L)))THEN
C ** MASS EROSION
WESE=CTMPDRY(L)*WRSPB(L,KBT(L))*VFRBED(L,KBT(L),NS)
WESE=MIN(WESE,WESEMX)
ELSE
TAUE=0.
IF(TAUBSED(L).GT.TAURS(L,KBT(L)))THEN
C ** SURFACE EROSION
WESE=CTMPDRY(L)*WRSPS(L,KBT(L))*VFRBED(L,KBT(L),NS)
c1104 WESE=MIN(WESE,WESEMX)
TAURTMP=TAURS(L,KBT(L))
IF(IWRSP(1).GE.2)TAURTMP=TAUR(1)
TAUE=(TAUBSED(L)-TAURS(L,KBT(L)))/TAURTMP
TAUE=MAX(TAUE,0.0)
TMPSEDHID=1.0
IF(ISTRAN(7).GE.1.AND.COSEDHID(1).NE.0.0)
& TMPSEDHID=(FRACCOH(L,KBT(L)))**COSEDHID(1)
WESE=TMPSEDHID*WESE*(TAUE**TEXP(NS))
c1104
WESE=MIN(WESE,WESEMX)
ELSE
C ** NO EROSION
WESE=0.0
ENDIF
ENDIF
C ** SET PROBABILITY OF DEPOSITION
IF(TAUBSED(L).LT.TAUD(NS))
& PROBDEP=(TAUD(NS)-TAUBSED(L))/TAUD(NS)
IF(SED(L,1,NS).GT.SEDMDGM) PROBDEP=1.
WSETMP=PROBDEP*WSETA(L,0,NS)
WVEL=DELT*HPI(L)*DZIC(1)
CLEFT=1.+WSETMP*WVEL
CRIGHT=MAX(SED(L,1,NS),0.)+(WESE-SEDF(L,1,NS))*WVEL
SED(L,1,NS)=CRIGHT/CLEFT
SEDF(L,0,NS)=-WSETMP*SED(L,1,NS)+WESE
SEDBTMP=SEDB(L,KBT(L),NS)-DELT*SEDF(L,0,NS)
IF(SEDBTMP.LT.0.0)THEN
SEDF(L,0,NS)=DELTI*SEDB(L,KBT(L),NS)
SEDBTMP=0.0
SED(L,1,NS)=SEDS(L,1,NS)
& +(SEDF(L,0,NS)-SEDF(L,1,NS))*WVEL
ENDIF
SEDB1(L,KBT(L),NS)=SEDB(L,KBT(L),NS)
SEDB(L,KBT(L),NS)=SEDBTMP
QSBDTOP(L)=QSBDTOP(L)+DSEDGMM*SEDF(L,0,NS)
QWBDTOP(L)=QWBDTOP(L)+DSEDGMM*
& ( VDRBED(L,KBT(L))*MAX(SEDF(L,0,NS),0.)
& +VDRDEPO(NS)*MIN(SEDF(L,0,NS),0.) )
ENDDO
C
C----------------------------------------------------------------------C
C
C ** ANTI-DIFFUSION OF COHESIVE SEDIMENT KC.GT.3
C
IF(ISTOPT(6).EQ.1)THEN
C
DO K=1,KS
DO L=2,LA
CRNUM=1.+DELT*WSETA(L,K,NS)*HPI(L)*DZIC(K+1)
GRADSED=(SED(L,K+1,NS)-SED(L,K,NS))/(DZC(K+1)+DZC(K))
SEDAVG=0.5*(SED(L,K+1,NS)+SED(L,K,NS)+1.E-16)
WSETA(L,K,NS)=-CRNUM*DZC(K+1)*WSETA(L,K,NS)*
& GRADSED/SEDAVG
ENDDO
ENDDO
C
C TVAR1S=LOWER DIAGONAL
DO L=2,LA
TVAR1S(L,1)=0
ENDDO
DO K=2,KC
DO L=2,LA
TVAR1S(L,K)=MIN(WSETA(L,K-1,NS),0.)
ENDDO
ENDDO
C
C TVAR1N=UPPER DIAGONAL
DO L=2,LA
TVAR1N(L,KC)=0
ENDDO
DO K=1,KS
DO L=2,LA
TVAR1N(L,K)=-MAX(WSETA(L,K,NS),0.)
ENDDO
ENDDO
C TVAR1W=MAIN DIAGONAL
DO L=2,LA
TVAR1W(L,1)=DELTI*DZC(1)*HP(L)-MIN(WSETA(L,1,NS),0.)
TVAR1W(L,KC)=DELTI*DZC(KC)*HP(L)
& +MAX(WSETA(L,KC-1,NS),0.)
ENDDO
DO K=2,KS
DO L=2,LA
TVAR1W(L,K)=DELTI*DZC(KC)*HP(L)
& +MAX(WSETA(L,K-1,NS),0.)-MIN(WSETA(L,K,NS),0.)
ENDDO
ENDDO
C TVAR1E=RIGHT HAND SIDE
DO K=1,KC
DO L=2,LA
TVAR1E(L,K)=DELTI*DZC(KC)*HP(L)*SED(L,K,NS)
ENDDO
ENDDO
C
C TVAR3S=BET,TVAR2N=U,TVAR2S=GAM ARE WORKING ARRAYS
DO L=2,LA
TVAR3S(L)=TVAR1W(L,1)
ENDDO
DO L=2,LA
TVAR2N(L,1)=TVAR1E(L,1)/TVAR3S(L)
ENDDO
DO K=2,KC
DO L=2,LA
TVAR2S(L,K)=TVAR1N(L,K-1)/TVAR3S(L)
TVAR3S(L)=TVAR1W(L,K)-TVAR1S(L,K)*TVAR2S(L,K)
TVAR2N(L,K)=(TVAR1E(L,K)-TVAR1S(L,K)*TVAR2N(L,K-1))/
& TVAR3S(L)
ENDDO
ENDDO
DO K=KS,1,-1
DO L=2,LA
TVAR2N(L,K)=TVAR2N(L,K)-TVAR2S(L,K+1)*TVAR2N(L,K+1)
ENDDO
ENDDO
DO K=1,KC
DO L=2,LA
SED(L,K,NS)=TVAR2N(L,K)
ENDDO
ENDDO
C
ENDIF
C
C----------------------------------------------------------------------C
C
C ** FINAL FLUX KC.GT.3
C
DO L=2,LA
SEDF(L,KS,NS)=DELTI*DZC(KC)*HP(L)*
& (SED(L,KC,NS)-SEDS(L,KC,NS))
ENDDO
C
DO K=KS-1,1,-1
DO L=2,LA
SEDF(L,K,NS)=DELTI*DZC(K+1)*HP(L)*
& (SED(L,K+1,NS)-SEDS(L,K+1,NS))+SEDF(L,K+1,NS)
ENDDO
ENDDO
C
C----------------------------------------------------------------------C
C
ENDDO
ENDIF
ENDIF
C
C**********************************************************************C
C
C ** UNCOMMENT THE FOLLOWING FOR COHESIVE SEDIMENT DIAGNOSTICS
CDIAG SEDMX=-1.E+12
CDIAG SEDBMX=-1.E+12
CDIAG SEDFMX=-1.E+12
CDIAG SEDMN=1.E+12
CDIAG SEDBMN=1.E+12
CDIAG SEDFMN=1.E+12
CDIAG DO K=1,KC
CDIAG DO L=2,LA