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dormant.f
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subroutine dormant
!! ~ ~ ~ PURPOSE ~ ~ ~
!! this subroutine checks the dormant status of the different plant types
!! ~ ~ ~ INCOMING VARIABLES ~ ~ ~
!! name |units |definition
!! ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
!! alai_min(:) |m**2/m**2 |minimum LAI during winter dormant period
!! bio_leaf(:) |none |fraction of biomass that drops during
!! |dormancy (for trees only)
!! bio_ms(:) |kg/ha |land cover/crop biomass (dry weight)
!! bio_yrms(:) |metric tons/ha|annual biomass (dry weight) in the HRU
!! dayl(:) |hours |day length for current day
!! daylmn(:) |hours |shortest daylength occurring during the
!! |year
!! dormhr(:) |hour |time threshold used to define dormant
!! |period for plant (when daylength is within
!! |the time specified by dormhr from the minimum
!! |daylength for the area, the plant will go
!! |dormant)
!! icr(:) |none |sequence number of crop grown within the
!! |current year
!! idc(:) |none |crop/landcover category:
!! |1 warm season annual legume
!! |2 cold season annual legume
!! |3 perennial legume
!! |4 warm season annual
!! |5 cold season annual
!! |6 perennial
!! |7 trees
!! idorm(:) |none |dormancy status code:
!! |0 land cover growing
!! |1 land cover dormant
!! idplt(:) |none |land cover code from crop.dat
!! ihru |none |HRU number
!! nro(:) |none |sequence number for year in rotation
!! phuacc(:) |none |fraction of plant heat units accumulated
!! plantn(:) |kg N/ha |amount of nitrogen in plant biomass
!! plantp(:) |kg P/ha |amount of phosphorus in plant biomass
!! pltfr_n(:) |none |fraction of plant biomass that is nitrogen
!! pltfr_p(:) |none |fraction of plant biomass that is phosphorus
!! sol_fon(:,:) |kg N/ha |amount of nitrogen stored in the fresh
!! |organic (residue) pool
!! sol_fop(:,:) |kg P/ha |amount of phosphorus stored in the fresh
!! |organic (residue) pool
!! sol_rsd(:,:) |kg/ha |amount of organic matter in the soil
!! |classified as residue
!! ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
!! ~ ~ ~ OUTGOING VARIABLES ~ ~ ~
!! name |units |definition
!! ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
!! laiday(:) |m**2/m**2 |leaf area index
!! bio_ms(:) |kg/ha |land cover/crop biomass (dry weight)
!! bio_yrms(:) |metric tons/ha|annual biomass (dry weight) in the HRU
!! idorm(:) |none |dormancy status code:
!! |0 land cover growing
!! |1 land cover dormant
!! phuacc(:) |none |fraction of plant heat units accumulated
!! plantn(:) |kg N/ha |amount of nitrogen in plant biomass
!! plantp(:) |kg P/ha |amount of phosphorus in plant biomass
!! sol_fon(:,:)|kg N/ha |amount of nitrogen stored in the fresh
!! |organic (residue) pool
!! sol_fop(:,:)|kg P/ha |amount of phosphorus stored in the fresh
!! |organic (residue) pool
!! sol_rsd(:,:)|kg/ha |amount of organic matter in the soil
!! |classified as residue
!! strsw(:) |none |fraction of potential plant growth achieved
!! |on the day where the reduction is caused by
!! |water stress
!! ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
!! ~ ~ ~ LOCAL DEFINITIONS ~ ~ ~
!! name |units |definition
!! ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
!! j |none |HRU number
!! resnew |
!! ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
!! ~ ~ ~ SUBROUTINES/FUNCTIONS CALLED ~ ~ ~
!! Intrinsic: Max
!! ~ ~ ~ ~ ~ ~ END SPECIFICATIONS ~ ~ ~ ~ ~ ~
use parm
real :: resnew
integer :: j
!!by zhang
!!====================
real :: BLG1, BLG2, BLG3, CLG, sf
real :: sol_min_n, resnew_n, resnew_ne
real :: LMF, LSF, LSLF, LSNF,LMNF
orgc_f = 0.
BLG1 = 0.
BLG2 = 0.
BLG3 = 0.
CLG = 0.
sf = 0.
sol_min_n = 0.
resnew = 0.
resnew_n = 0.
resnew_ne = 0.
LMF = 0.
LSF = 0.
LSLF = 0.
LSNF = 0.
LMNF = 0.
!!by zhang
!!====================
j = 0
j = ihru
!! check for beginning of dormant season
if (idc(idplt(j)) == 1 .or. idc(idplt(j)) == 4) return
if (idorm(j) == 0 .and. dayl(j)-dormhr(j) < daylmn(hru_sub(j)))
& then
select case (idc(idplt(j)))
!! make sure all operations are scheduled during growing season of warm season annual
case (1,4)
dorm_flag = 1
call operatn
dorm_flag = 0
!! beginning of forest dormant period
case (7)
idorm(j) = 1
resnew = 0.
resnew = bio_ms(j) * bio_leaf(idplt(j))
!!add by zhang
!!===================
if (cswat == 2) then
rsdc_d(j) = rsdc_d(j) + resnew*0.42
end if
!!add by zhang
!!===================
!!insert new biomss by zhang
!!=============================
if (cswat == 2) then
!!all the lignin from STD is assigned to LSL,
!!add STDL calculation
!!
!sol_LSL(k,ihru) = sol_STDL(k,ihru)
!CLG=BLG(3,JJK)*HUI(JJK)/(HUI(JJK)+EXP(BLG(1,JJK)-BLG(2,JJK)*&HUI(JJK))
! 52 BLG1 = LIGNIN FRACTION IN PLANT AT .5 MATURITY
! 53 BLG2 = LIGNIN FRACTION IN PLANT AT MATURITY
!CROPCOM.dat BLG1 = 0.01 BLG2 = 0.10
!SUBROUTINE ASCRV(X1,X2,X3,X4)
!EPIC0810
!THIS SUBPROGRAM COMPUTES S CURVE PARMS GIVEN 2 (X,Y) POINTS.
!USE PARM
!XX=LOG(X3/X1-X3)
!X2=(XX-LOG(X4/X2-X4))/(X4-X3)
!X1=XX+X3*X2
!RETURN
!END
!HUI(JJK)=HU(JJK)/XPHU
BLG1 = 0.01/0.10
BLG2 = 0.99
BLG3 = 0.10
XX = log(0.5/BLG1-0.5)
BLG2 = (XX -log(1./BLG2-1.))/(1.-0.5)
BLG1 = XX + 0.5*BLG2
CLG=BLG3*phuacc(j)/(phuacc(j)+
& EXP(BLG1-BLG2*phuacc(j)))
!if (k == 1) then
sf = 0.05
!else
!sf = 0.1
!end if
!kg/ha
sol_min_n = 0.
sol_min_n = (sol_no3(1,j)+sol_nh3(1,j))
resnew = bio_ms(j) * bio_leaf(idplt(j))
resnew_n = resnew * pltfr_n(j)
resnew_ne = resnew_n + sf * sol_min_n
!Not sure 1000 should be here or not!
!RLN = 1000*(resnew * CLG/(resnew_n+1.E-5))
RLN = (resnew * CLG/(resnew_n+1.E-5))
RLR = MIN(.8, resnew * CLG/1000/(resnew/1000+1.E-5))
LMF = 0.85 - 0.018 * RLN
if (LMF <0.01) then
LMF = 0.01
else
if (LMF >0.7) then
LMF = 0.7
end if
end if
!if ((resnew * CLG/(resnew_n+1.E-5)) < 47.22) then
! LMF = 0.85 - 0.018 * (resnew * CLG/(resnew_n+1.E-5))
!else
! LMF = 0.
!end if
LSF = 1 - LMF
sol_LM(1,j) = sol_LM(1,j) + LMF * resnew
sol_LS(1,j) = sol_LS(1,j) + LSF * resnew
!here a simplified assumption of 0.5 LSL
LSLF = 0.0
LSLF = CLG
sol_LSL(1,j) = sol_LSL(1,j) + RLR* LSF * resnew
sol_LSC(1,j) = sol_LSC(1,j) + 0.42*LSF * resnew
sol_LSLC(1,j) = sol_LSLC(1,j) + RLR*0.42*LSF * resnew
sol_LSLNC(1,j) = sol_LSC(1,j) - sol_LSLC(1,j)
!X3 = MIN(X6,0.42*LSF * resnew/150)
if (resnew_ne >= (0.42 * LSF * resnew /150)) then
sol_LSN(1,j) = sol_LSN(1,j) + 0.42 * LSF * resnew / 150
sol_LMN(1,j) = sol_LMN(1,j) + resnew_ne -
& (0.42 * LSF * resnew / 150) + 1.E-25
else
sol_LSN(1,j) = sol_LSN(1,j) + resnew_ne
sol_LMN(1,j) = sol_LMN(1,j) + 1.E-25
end if
!LSNF = sol_LSN(1,j)/(sol_LS(1,j)+1.E-5)
sol_LMC(1,j) = sol_LMC(1,j) + 0.42 * LMF * resnew
!LMNF = sol_LMN(1,j)/(sol_LM(1,j) + 1.E-5)
!update no3 and nh3 in soil
sol_no3(1,j) = sol_no3(1,j) * (1-sf)
sol_nh3(1,j) = sol_nh3(1,j) * (1-sf)
end if
!!insert new biomss by zhang
!!===========================
sol_rsd(1,j) = sol_rsd(1,j) + resnew
sol_rsd(1,j) = Max(sol_rsd(1,j),0.)
sol_fon(1,j) = resnew * pltfr_n(j) + sol_fon(1,j)
sol_fop(1,j) = resnew * pltfr_p(j) + sol_fop(1,j)
bio_hv(icr(j),j) = bio_ms(j) + bio_hv(icr(j),j)
bio_yrms(j) = bio_yrms(j) + bio_ms(j) / 1000.
bio_ms(j) = bio_ms(j) * (1. - bio_leaf(idplt(j)))
plantn(j) = plantn(j) - resnew * pltfr_n(j)
plantp(j) = plantp(j) - resnew * pltfr_p(j)
strsw(j) = 1.
laiday(j) = alai_min(idplt(j))
phuacc(j) = 0.
laimxfr(j) = 0. !Sue White - dormancy
ncrops(icr(j),j) = ncrops(icr(j),j) + 1
!! beginning of perennial (pasture/alfalfa) dormant period
case (3, 6)
idorm(j) = 1
resnew = 0.
resnew = bm_dieoff(idplt(j)) * bio_ms(j)
!!add by zhang
!!===================
if (cswat == 2) then
rsdc_d(j) = rsdc_d(j) + resnew*0.42
end if
!!add by zhang
!!===================
!!insert new biomss by zhang
!!=============================
if (cswat == 2) then
!!all the lignin from STD is assigned to LSL,
!!add STDL calculation
!!
!sol_LSL(k,ihru) = sol_STDL(k,ihru)
!CLG=BLG(3,JJK)*HUI(JJK)/(HUI(JJK)+EXP(BLG(1,JJK)-BLG(2,JJK)*&HUI(JJK))
! 52 BLG1 = LIGNIN FRACTION IN PLANT AT .5 MATURITY
! 53 BLG2 = LIGNIN FRACTION IN PLANT AT MATURITY
!CROPCOM.dat BLG1 = 0.01 BLG2 = 0.10
!SUBROUTINE ASCRV(X1,X2,X3,X4)
!EPIC0810
!THIS SUBPROGRAM COMPUTES S CURVE PARMS GIVEN 2 (X,Y) POINTS.
!USE PARM
!XX=LOG(X3/X1-X3)
!X2=(XX-LOG(X4/X2-X4))/(X4-X3)
!X1=XX+X3*X2
!RETURN
!END
!HUI(JJK)=HU(JJK)/XPHU
BLG1 = 0.01/0.10
BLG2 = 0.99
BLG3 = 0.10
XX = log(0.5/BLG1-0.5)
BLG2 = (XX -log(1./BLG2-1.))/(1.-0.5)
BLG1 = XX + 0.5*BLG2
CLG=BLG3*phuacc(j)/(phuacc(j)+
& EXP(BLG1-BLG2*phuacc(j)))
!if (k == 1) then
sf = 0.05
!else
!sf = 0.1
!end if
!kg/ha
sol_min_n = 0.
sol_min_n = (sol_no3(1,j)+sol_nh3(1,j))
resnew = bm_dieoff(idplt(j)) * bio_ms(j)
resnew_n = bm_dieoff(idplt(j)) * plantn(j)
resnew_ne = resnew_n + sf * sol_min_n
!Not sure 1000 should be here or not!
!RLN = 1000*(resnew * CLG/(resnew_n+1.E-5))
RLN = (resnew * CLG/(resnew_n+1.E-5))
RLR = MIN(.8, resnew * CLG/1000/(resnew/1000+1.E-5))
LMF = 0.85 - 0.018 * RLN
if (LMF <0.01) then
LMF = 0.01
else
if (LMF >0.7) then
LMF = 0.7
end if
end if
!if ((resnew * CLG/(resnew_n+1.E-5)) < 47.22) then
! LMF = 0.85 - 0.018 * (resnew * CLG/(resnew_n+1.E-5))
!else
! LMF = 0.
!end if
LSF = 1 - LMF
sol_LM(1,j) = sol_LM(1,j) + LMF * resnew
sol_LS(1,j) = sol_LS(1,j) + LSF * resnew
!here a simplified assumption of 0.5 LSL
!LSLF = 0.0
!LSLF = CLG
sol_LSL(1,j) = sol_LSL(1,j) + RLR*resnew
sol_LSC(1,j) = sol_LSC(1,j) + 0.42*LSF * resnew
sol_LSLC(1,j) = sol_LSLC(1,j) + RLR*0.42*resnew
sol_LSLNC(1,j) = sol_LSC(1,j) - sol_LSLC(1,j)
!X3 = MIN(X6,0.42*LSF * resnew/150)
if (resnew_ne >= (0.42 * LSF * resnew /150)) then
sol_LSN(1,j) = sol_LSN(1,j) + 0.42 * LSF * resnew / 150
sol_LMN(1,j) = sol_LMN(1,j) + resnew_ne -
& (0.42 * LSF * resnew / 150) + 1.E-25
else
sol_LSN(1,j) = sol_LSN(1,j) + resnew_ne
sol_LMN(1,j) = sol_LMN(1,j) + 1.E-25
end if
!LSNF = sol_LSN(1,j)/(sol_LS(1,j)+1.E-5)
sol_LMC(1,j) = sol_LMC(1,j) + 0.42 * LMF * resnew
!LMNF = sol_LMN(1,j)/(sol_LM(1,j) + 1.E-5)
!update no3 and nh3 in soil
sol_no3(1,j) = sol_no3(1,j) * (1-sf)
sol_nh3(1,j) = sol_nh3(1,j) * (1-sf)
end if
!!insert new biomss by zhang
!!===========================
sol_rsd(1,j) = sol_rsd(1,j) + resnew
sol_rsd(1,j) = Max(sol_rsd(1,j),0.)
sol_fon(1,j) = sol_fon(1,j) +
& bm_dieoff(idplt(j)) * plantn(j)
sol_fop(1,j) = sol_fop(1,j) +
& bm_dieoff(idplt(j)) * plantp(j)
bio_hv(icr(j),j) = bio_ms(j) *
& bm_dieoff(idplt(j)) +
& bio_hv(icr(j),j)
bio_yrms(j) = bio_yrms(j) + bio_ms(j) *
& bm_dieoff(idplt(j)) / 1000.
bio_ms(j) = (1. - bm_dieoff(idplt(j))) *
& bio_ms(j)
plantn(j) = (1. - bm_dieoff(idplt(j))) *
& plantn(j)
plantp(j) = (1. - bm_dieoff(idplt(j))) *
& plantp(j)
strsw(j) = 1.
laiday(j) = alai_min(idplt(j))
phuacc(j) = 0.
! ncrops(icr(j),j) = ncrops(icr(j),j) + 1
!! beginning of cool season annual dormant period
case (2, 5)
if (phuacc(j) < 0.75) then
idorm(j) = 1
strsw(j) = 1.
end if
end select
if (imgt == 1) then
write (143, 1000) subnum(j), hruno(j), iyr, i_mo, iida,
* cpnm(idplt(j)),"START-DORM", phubase(j), phuacc(j),
* sol_sw(j),bio_ms(j), sol_rsd(1,j), sol_sumno3(j),
* sol_sumsolp(j)
end if
end if
!! check if end of dormant period
if (idorm(j) == 1 .and. dayl(j)-dormhr(j) >= daylmn(hru_sub(j)))
& then
select case (idc(idplt(j)))
!! end of perennial dormant period
case (3, 6, 7)
idorm(j) = 0
!! end of cool season annual dormant period
case (2, 5)
idorm(j) = 0
phuacc(j) = 0.
end select
if (imgt == 1) then
write (143,1000) subnum(j), hruno(j), iyr, i_mo, iida,
* cpnm(idplt(j)), "END-DORM", phubase(j), phuacc(j),
* sol_sw(j), bio_ms(j), sol_rsd(1,j), sol_sumno3(j),
* sol_sumsolp(j)
end if
end if
1000 format (a5,1x,a4,3i6,2a15,7f10.2)
return
end