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std.surfaceMod.F90
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MODULE Surface_Mod
! !USES:
use ESMF
use MAPL
use types_mod
implicit none
public
integer :: minpbl
contains
!-------------------------------------------------------------------------------
SUBROUTINE surface_prodloss ( rc )
! !USES:
use global_mod
IMPLICIT NONE
! !INPUT PARAMETERS:
! !OUTPUT PARAMETERS:
integer, intent(out) :: rc ! Error return code
! !LOCAL VARIABLES
! Below, this is done for cleanliness
integer :: i, j, k, n, nst, index, spc
integer :: status
real, allocatable :: fPBL(:,:,:), fDNL(:,:)
real :: fdC
type(gas_instance), pointer :: inst
if (.not. allocated(sfc_flux)) then ! no fluxes to compute.
RC = 0
return
end if
! 1) IF NEEDED, calculate PBL height and diurnal factors
if (any(sfc_flux(:)%pblmix)) then
allocate(fPBL(params%im,params%jm,params%km), stat=status)
call surface_pblmix( fPBL, met, params, RC )
endif
if (any(sfc_flux(:)%diurnal)) then
! Ideally, this is only done once. BUT alas.
! Can't keep fDNL allocated locally like that (can we? Should we?)
allocate(fDNL(params%im,params%jm), stat=status)
call surface_DiurnalScaling ( fDNL, params )
endif
! 2) Loop through and compute fluxes
! -- this is written with the goal of ZERO branching statements
do n=1,size(sfc_flux) ! should be > 0
index = sfc_flux(n)%index
inst => instances(index)%p ! For cleanliness & convenience
if (inst%active) then
! --------------------
if (.not. inst%hasmask) then
! -- N O M A S K --
if (sfc_flux(n)%pblmix) then
! ASSUMPTION: any flux that is mixed in the PBL will be positive
if (sfc_flux(n)%diurnal) then
do k=minPBL,params%km
inst%prod(:,:,k) = inst%prod(:,:,k) + &
sfc_flux(n)%flux(:,:) * fPBL(:,:,k) * fDNL(:,:) * &
sfc_flux(n)%scalefactor * grav / met%delp(:,:,k) * &
params%airmw / inst%mw
end do
endif
if (.not. sfc_flux(n)%diurnal) then
do k=minPBL,params%km
inst%prod(:,:,k) = inst%prod(:,:,k) + &
sfc_flux(n)%flux(:,:) * fPBL(:,:,k) * &
sfc_flux(n)%scalefactor * grav / met%delp(:,:,k) * &
params%airmw / inst%mw
end do
endif
endif
if (.not. sfc_flux(n)%pblmix) then ! Non-PBL may be positive or negative (e.g. OCN, NEP)
k = params%km ! at the surface
if (sfc_flux(n)%diurnal) then
inst%prod(:,:,k) = inst%prod(:,:,k) + &
sfc_flux(n)%flux(:,:) * fDNL(:,:) * &
sfc_flux(n)%scalefactor * grav / met%delp(:,:,k) * &
params%airmw / inst%mw
endif
if (.not. sfc_flux(n)%diurnal) then
inst%prod(:,:,k) = inst%prod(:,:,k) + &
sfc_flux(n)%flux(:,:) * &
sfc_flux(n)%scalefactor * grav / met%delp(:,:,k) * &
params%airmw / inst%mw
endif
endif
endif
! --------------------
if (inst%hasmask) then
! -- H A S M A S K --
! As of now, mask operations are not sparse. The full array is still processed
! even if theres a multiply by zero. Implementing sparsity would, with only a few masks
! promote load imbalance (if only slightly). When/if we find a lot of masks are being used
! implementing a sparse version of this would not be hard and may be worth it.
if (sfc_flux(n)%pblmix) then
! ASSUMPTION: any flux that is mixed in the PBL will be positive
if (sfc_flux(n)%diurnal) then
do k=minPBL,params%km
inst%prod(:,:,k) = inst%prod(:,:,k) + inst%mask(:,:) * &
sfc_flux(n)%flux(:,:) * fPBL(:,:,k) * fDNL(:,:) * &
sfc_flux(n)%scalefactor * grav / met%delp(:,:,k)* &
params%airmw / inst%mw
end do
endif
if (.not. sfc_flux(n)%diurnal) then
do k=minPBL,params%km
inst%prod(:,:,k) = inst%prod(:,:,k) + inst%mask(:,:) * &
sfc_flux(n)%flux(:,:) * fPBL(:,:,k) * &
sfc_flux(n)%scalefactor * grav / met%delp(:,:,k)* &
params%airmw / inst%mw
end do
endif
endif
if (.not. sfc_flux(n)%pblmix) then ! Non-PBL may be positive or negative (e.g. OCN, NEP)
k = params%km ! at the surface
if (sfc_flux(n)%diurnal) then
inst%prod(:,:,k) = inst%prod(:,:,k) + inst%mask(:,:) * &
sfc_flux(n)%flux(:,:) * fDNL(:,:) * &
sfc_flux(n)%scalefactor * grav / met%delp(:,:,k) * &
params%airmw / inst%mw
endif
if (.not. sfc_flux(n)%diurnal) then
inst%prod(:,:,k) = inst%prod(:,:,k) + inst%mask(:,:) * &
sfc_flux(n)%flux(:,:) * &
sfc_flux(n)%scalefactor * &
grav / met%delp(:,:,k) * &
params%airmw / inst%mw
endif
endif
! ------------------
endif ! Mask/No-mask
endif ! Is Active?
! ------------------
if (.not. inst%active) then
! --------------------
if (.not. inst%hasmask) then
! -- N O M A S K --
if (sfc_flux(n)%pblmix) then
! ASSUMPTION: any flux that is mixed in the PBL will be positive
if (sfc_flux(n)%diurnal) then
do k=minPBL,params%km
inst%prod(:,:,k) = inst%prod(:,:,k) + &
sfc_flux(n)%flux(:,:) * fPBL(:,:,k) * fDNL(:,:) * &
sfc_flux(n)%scalefactor * grav / met%delp(:,:,k) * &
params%airmw / inst%mw
end do
else
do k=minPBL,params%km
inst%prod(:,:,k) = inst%prod(:,:,k) + &
sfc_flux(n)%flux(:,:) * fPBL(:,:,k) * &
sfc_flux(n)%scalefactor * grav / met%delp(:,:,k) * &
params%airmw / inst%mw
end do
endif
else ! Non-PBL may be positive or negative (e.g. OCN, NEP)
k = params%km ! at the surface
if (sfc_flux(n)%diurnal) then
inst%prod(:,:,k) = inst%prod(:,:,k) + &
sfc_flux(n)%flux(:,:) * fDNL(:,:) * &
sfc_flux(n)%scalefactor * grav / met%delp(:,:,k) * &
params%airmw / inst%mw
else
inst%prod(:,:,k) = inst%prod(:,:,k) + &
sfc_flux(n)%flux(:,:) * sfc_flux(n)%scalefactor * grav / met%delp(:,:,k) * &
params%airmw / inst%mw
endif
endif
else
! -- H A S M A S K --
! As of now, mask operations are not sparse. The full array is still processed
! even if theres a multiply by zero. Implementing sparsity would, with only a few masks
! promote load imbalance (if only slightly). When/if we find a lot of masks are being used
! implementing a sparse version of this would not be hard and may be worth it.
if (sfc_flux(n)%pblmix) then
! ASSUMPTION: any flux that is mixed in the PBL will be positive
if (sfc_flux(n)%diurnal) then
do k=minPBL,params%km
inst%prod(:,:,k) = inst%prod(:,:,k) + inst%mask(:,:) * &
sfc_flux(n)%flux(:,:) * fPBL(:,:,k) * fDNL(:,:) * &
sfc_flux(n)%scalefactor * grav / met%delp(:,:,k)* &
params%airmw / inst%mw
end do
else
do k=minPBL,params%km
inst%prod(:,:,k) = inst%prod(:,:,k) + inst%mask(:,:) * &
sfc_flux(n)%flux(:,:) * fPBL(:,:,k) * &
sfc_flux(n)%scalefactor * grav / met%delp(:,:,k)* &
params%airmw / inst%mw
end do
endif
else ! Non-PBL may be positive or negative (e.g. OCN, NEP)
k = params%km ! at the surface
if (sfc_flux(n)%diurnal) then
do j=1,params%jm
do i=1,params%im
! Source term?
inst%prod(i,j,k) = inst%prod(i,j,k) + inst%mask(i,j) * &
sfc_flux(n)%flux(i,j) * fDNL(i,j) * &
sfc_flux(n)%scalefactor * grav / met%delp(i,j,k) * &
params%airmw / inst%mw
enddo
enddo
else
do j=1,params%jm
do i=1,params%im
! Source term?
inst%prod(i,j,k) = inst%prod(i,j,k) + inst%mask(i,j) * &
sfc_flux(n)%flux(i,j) * &
sfc_flux(n)%scalefactor * &
grav / met%delp(i,j,k) * &
params%airmw / inst%mw
enddo
enddo
endif
endif
! ------------------
endif ! Mask/No-mask
endif ! If passive/ not active
end do
! 3) Cleanup
if (allocated(fPBL)) deallocate(fPBL, stat=status)
if (allocated(fDNL)) deallocate(fDNL, stat=status)
rc = 0
RETURN
END SUBROUTINE surface_prodloss
!BOP
!
! !ROUTINE: Chem_BiomassDiurnal - Applies diurnal cycle to biomass emissions.
!
! !INTERFACE:
subroutine surface_DiurnalScaling ( Fout, params )
! !USES:
IMPLICIT NONE
! !ARGUMENTS:
real, intent(out) :: Fout(:,:) ! Emissions scaling factor valid at NHMS
type(parameters), pointer, intent(in) :: params
! !DESCRIPTION:
!
! Applies diurnal cycle to biomass emissions.
!
! !DESCRIPTION:
!
! This module implements assorted odds & ends for fvChem.
!
! !REVISION HISTORY:
!
! 13nov2009 da Silva First crack.
! 19Aug2020 E. Sherman - moved from Chem_UtilMod.F90 to process library
!
!EOP
!-------------------------------------------------------------------------
! Hardwired diurnal cycle (multiplied by 100)
! These numbers were derived from GOES-12
! fire counts for 2003-2007.
! -------------------------------------------
integer, parameter :: N = 240
real, parameter :: DT = 86400. / N
! Apply flat diurnal cycle for boreal forests as a
! temporary solution to prevent very high aerosol
! optical depth during the day
real, parameter :: Boreal(N) = 1.0
! real, parameter :: Boreal(N) = &
! (/ 0.0277, 0.0292, 0.0306, 0.0318, 0.0327, 0.0335, &
! 0.0340, 0.0342, 0.0341, 0.0338, 0.0333, 0.0326, &
! 0.0316, 0.0305, 0.0292, 0.0278, 0.0263, 0.0248, &
! 0.0233, 0.0217, 0.0202, 0.0187, 0.0172, 0.0158, &
! 0.0145, 0.0133, 0.0121, 0.0110, 0.0100, 0.0091, &
! 0.0083, 0.0075, 0.0068, 0.0062, 0.0056, 0.0051, &
! 0.0046, 0.0042, 0.0038, 0.0035, 0.0032, 0.0030, &
! 0.0028, 0.0026, 0.0025, 0.0024, 0.0024, 0.0024, &
! 0.0024, 0.0026, 0.0027, 0.0030, 0.0033, 0.0036, &
! 0.0041, 0.0046, 0.0052, 0.0060, 0.0069, 0.0079, &
! 0.0090, 0.0104, 0.0119, 0.0137, 0.0157, 0.0180, &
! 0.0205, 0.0235, 0.0268, 0.0305, 0.0346, 0.0393, &
! 0.0444, 0.0502, 0.0565, 0.0634, 0.0711, 0.0794, &
! 0.0884, 0.0982, 0.1087, 0.1201, 0.1323, 0.1453, &
! 0.1593, 0.1742, 0.1900, 0.2069, 0.2249, 0.2439, &
! 0.2642, 0.2858, 0.3086, 0.3329, 0.3587, 0.3860, &
! 0.4149, 0.4455, 0.4776, 0.5115, 0.5470, 0.5840, &
! 0.6227, 0.6628, 0.7043, 0.7470, 0.7908, 0.8355, &
! 0.8810, 0.9271, 0.9735, 1.0200, 1.0665, 1.1126, &
! 1.1580, 1.2026, 1.2460, 1.2880, 1.3282, 1.3664, &
! 1.4023, 1.4356, 1.4660, 1.4933, 1.5174, 1.5379, &
! 1.5548, 1.5679, 1.5772, 1.5826, 1.5841, 1.5818, &
! 1.5758, 1.5661, 1.5529, 1.5365, 1.5169, 1.4944, &
! 1.4693, 1.4417, 1.4119, 1.3801, 1.3467, 1.3117, &
! 1.2755, 1.2383, 1.2003, 1.1616, 1.1225, 1.0832, &
! 1.0437, 1.0044, 0.9653, 0.9265, 0.8882, 0.8504, &
! 0.8134, 0.7771, 0.7416, 0.7070, 0.6734, 0.6407, &
! 0.6092, 0.5787, 0.5493, 0.5210, 0.4939, 0.4680, &
! 0.4433, 0.4197, 0.3974, 0.3763, 0.3565, 0.3380, &
! 0.3209, 0.3051, 0.2907, 0.2777, 0.2662, 0.2561, &
! 0.2476, 0.2407, 0.2352, 0.2313, 0.2289, 0.2279, &
! 0.2283, 0.2300, 0.2329, 0.2369, 0.2417, 0.2474, &
! 0.2536, 0.2602, 0.2670, 0.2738, 0.2805, 0.2869, &
! 0.2927, 0.2979, 0.3024, 0.3059, 0.3085, 0.3101, &
! 0.3107, 0.3102, 0.3087, 0.3061, 0.3026, 0.2983, &
! 0.2931, 0.2871, 0.2806, 0.2735, 0.2659, 0.2579, &
! 0.2497, 0.2412, 0.2326, 0.2240, 0.2153, 0.2066, &
! 0.1979, 0.1894, 0.1809, 0.1726, 0.1643, 0.1562, &
! 0.1482, 0.1404, 0.1326, 0.1250, 0.1175, 0.1101, &
! 0.1028, 0.0956, 0.0886, 0.0818, 0.0751, 0.0687 /)
real, parameter :: NonBoreal(N) = &
(/ 0.0121, 0.0150, 0.0172, 0.0185, 0.0189, 0.0184, &
0.0174, 0.0162, 0.0151, 0.0141, 0.0133, 0.0126, &
0.0121, 0.0117, 0.0115, 0.0114, 0.0114, 0.0116, &
0.0120, 0.0126, 0.0133, 0.0142, 0.0151, 0.0159, &
0.0167, 0.0174, 0.0180, 0.0184, 0.0187, 0.0189, &
0.0190, 0.0190, 0.0191, 0.0192, 0.0192, 0.0193, &
0.0194, 0.0194, 0.0193, 0.0192, 0.0190, 0.0187, &
0.0185, 0.0182, 0.0180, 0.0178, 0.0177, 0.0176, &
0.0174, 0.0172, 0.0169, 0.0166, 0.0162, 0.0158, &
0.0153, 0.0149, 0.0144, 0.0138, 0.0132, 0.0126, &
0.0118, 0.0109, 0.0101, 0.0092, 0.0085, 0.0081, &
0.0080, 0.0083, 0.0091, 0.0102, 0.0117, 0.0135, &
0.0157, 0.0182, 0.0210, 0.0240, 0.0273, 0.0308, &
0.0345, 0.0387, 0.0432, 0.0483, 0.0540, 0.0606, &
0.0683, 0.0775, 0.0886, 0.1022, 0.1188, 0.1388, &
0.1625, 0.1905, 0.2229, 0.2602, 0.3025, 0.3500, &
0.4031, 0.4623, 0.5283, 0.6016, 0.6824, 0.7705, &
0.8650, 0.9646, 1.0676, 1.1713, 1.2722, 1.3662, &
1.4491, 1.5174, 1.5685, 1.6014, 1.6173, 1.6200, &
1.6150, 1.6082, 1.6040, 1.6058, 1.6157, 1.6353, &
1.6651, 1.7045, 1.7513, 1.8024, 1.8541, 1.9022, &
1.9429, 1.9738, 1.9947, 2.0072, 2.0132, 2.0141, &
2.0096, 1.9994, 1.9829, 1.9604, 1.9321, 1.8977, &
1.8562, 1.8052, 1.7419, 1.6646, 1.5738, 1.4734, &
1.3693, 1.2676, 1.1724, 1.0851, 1.0052, 0.9317, &
0.8637, 0.8004, 0.7414, 0.6862, 0.6348, 0.5871, &
0.5434, 0.5037, 0.4682, 0.4368, 0.4097, 0.3864, &
0.3667, 0.3499, 0.3355, 0.3231, 0.3123, 0.3029, &
0.2944, 0.2862, 0.2773, 0.2670, 0.2547, 0.2402, &
0.2238, 0.2061, 0.1882, 0.1712, 0.1562, 0.1434, &
0.1332, 0.1251, 0.1189, 0.1141, 0.1103, 0.1071, &
0.1043, 0.1018, 0.0996, 0.0979, 0.0968, 0.0964, &
0.0966, 0.0970, 0.0973, 0.0970, 0.0959, 0.0938, &
0.0909, 0.0873, 0.0831, 0.0784, 0.0732, 0.0676, &
0.0618, 0.0565, 0.0521, 0.0491, 0.0475, 0.0473, &
0.0480, 0.0492, 0.0504, 0.0514, 0.0519, 0.0521, &
0.0520, 0.0517, 0.0513, 0.0510, 0.0507, 0.0507, &
0.0508, 0.0512, 0.0515, 0.0518, 0.0519, 0.0518, &
0.0513, 0.0506, 0.0496, 0.0482, 0.0465, 0.0443, &
0.0418, 0.0387, 0.0351, 0.0310, 0.0263, 0.0214 /)
! Fixed normalization factors; a more accurate normalization would take
! in consideration longitude and time step
! ---------------------------------------------------------------------
real*8, save :: fBoreal = -1., fNonBoreal = -1
real, save :: fDT=-1
integer :: hh, mm, ss, ndt, i, j, k
integer :: NN
real :: secs, secs_local, aBoreal, aNonBoreal, alpha
! Below, this is done for cleanliness
integer :: im
integer :: jm
integer :: km
real, pointer :: lons(:,:)
real, pointer :: lats(:,:)
integer :: nhms
real :: cdt
real :: lat, lon ! local lat & lon in degrees
im = params%im
jm = params%jm
km = params%km
cdt = params%cdt
nhms = params%nhms
! lats => params%lats
! lons => params%lons
! -----
! Normalization factor depends on timestep
! ----------------------------------------
! if ( fDT /= cdt ) then
fBoreal = 0.0
fNonBoreal = 0.0
NN = 0
ndt = max(1,nint(cdt/DT))
do k = 1, N, ndt
NN = NN + 1
fBoreal = fBoreal + Boreal(k)
fNonBoreal = fNonBoreal + NonBoreal(k)
end do
fBoreal = fBoreal / NN
fnonBoreal = fnonBoreal / NN
! fDT = cdt ! so it recalculates only if necessary
! end if
! Find number of secs since begining of the day (GMT)
! ---------------------------------------------------
hh = nhms/10000
mm = (nhms - 10000*hh) / 100
ss = nhms - 10000*hh - 100*mm
secs = 3600.*hh + 60.*mm + ss
! Apply factors depending on latitude
! -----------------------------------
do j = 1,jm
do i = 1,im
lat = params%lats(i,j)*params%radtodeg
lon = params%lons(i,j)*params%radtodeg
! Find corresponding index in hardwired diurnal cycle
! 240 = 24 * 60 * 60 secs / 360 deg
! ---------------------------------------------------
secs_local = secs + 240. * lon
k = 1 + mod(nint(secs_local/DT),N)
if ( k < 1 ) k = N + k
! Apply diurnal cycle
! -------------------
aBoreal = Boreal(k) / fBoreal
aNonBoreal = NonBoreal(k) / fNonBoreal
if ( lat >= 50. ) then
Fout(i,j) = aBoreal
else if ( lat >= 30. ) then
alpha = (lat - 30. ) / 20.
Fout(i,j) = (1-alpha) * aNonBoreal + &
alpha * aBoreal
else
Fout(i,j) = aNonBoreal
end if
end do
end do
end subroutine surface_DiurnalScaling
!==================================================================================
subroutine surface_pblmix( fPBL, met, params, RC )
! Adapted from E. Nielsen's routine in GOCART
implicit none
! Args
type(meteorology), intent(in) :: met
type(parameters), intent(in) :: params
integer, intent(out) :: RC
real, intent(out) :: fPBL(:,:,:)
! Local
real, allocatable :: index(:), pblLayer(:,:)
integer :: ios, i, j, k, kt
! Below, this is done for cleanliness
integer :: im
integer :: jm
integer :: km
im = params%im
jm = params%jm
km = params%km
rc = 0
! Find the layer that contains the PBL.
! Layer thicknesses are ZLE(:,:,0:km).
! -------------------------------------
ALLOCATE(index(0:km),STAT=ios)
ALLOCATE(pblLayer(im,jm),STAT=ios)
DO j=1,jm
DO i=1,im
index(0:km)=0
WHERE(met%zle(i,j,0:km)-met%zle(i,j,km) > met%pblh(i,j)) index(0:km)=1
pblLayer(i,j)=SUM(index)
END DO
END DO
DEALLOCATE(index,STAT=ios)
minPBL=MINVAL(pblLayer)
! Determine partitioning fraction based on layer thicknesses
! ----------------------------------------------------------
fPBL(:,:,:)=0.00
DO j=1,jm
DO i=1,im
kt=pblLayer(i,j)
DO k=kt,km
fPBL(i,j,k)=(met%zle(i,j,k-1)-met%zle(i,j,k))/(met%zle(i,j,kt-1)-met%zle(i,j,km))
END DO
END DO
END DO
! Release memory
! --------------
DEALLOCATE(pblLayer,STAT=ios)
end subroutine surface_pblmix
END MODULE Surface_Mod