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module_sf_noahmplsm.f90
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module_sf_noahmplsm.f90
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#define CCPP
!> \file module_sf_noahmplsm.f90
!! This file contains the NoahMP land surface model.
!>\ingroup NoahMP_LSM
module module_sf_noahmplsm
#ifndef CCPP
use module_wrf_utl
#endif
use machine , only : kind_phys
use sfc_diff, only : stability
implicit none
public :: noahmp_options
public :: noahmp_sflx
public :: sfcdif4
public :: psi_init
private :: atm
private :: phenology
private :: precip_heat
private :: energy
private :: thermoprop
private :: csnow
private :: tdfcnd
private :: radiation
private :: albedo
private :: snow_age
private :: snowalb_bats
private :: snowalb_class
private :: groundalb
private :: twostream
private :: surrad
private :: vege_flux
private :: sfcdif1
private :: sfcdif2
private :: stomata
private :: canres
private :: esat
private :: ragrb
private :: bare_flux
private :: tsnosoi
private :: hrt
private :: hstep
private :: rosr12
private :: phasechange
private :: frh2o
private :: water
private :: canwater
private :: snowwater
private :: snowfall
private :: combine
private :: divide
private :: combo
private :: compact
private :: snowh2o
private :: soilwater
private :: zwteq
private :: infil
private :: srt
private :: wdfcnd1
private :: wdfcnd2
private :: sstep
private :: groundwater
private :: shallowwatertable
private :: carbon
private :: co2flux
! private :: bvocflux
! private :: ch4flux
private :: error
! =====================================options for different schemes================================
! **recommended
integer :: dveg !< options for dynamic vegetation:
! 1 -> off (use table lai; use fveg = shdfac from input)
! 2 -> on (together with opt_crs = 1)
! 3 -> off (use table lai; calculate fveg)
! **4 -> off (use table lai; use maximum vegetation fraction)
! **5 -> on (use maximum vegetation fraction)
! 6 -> on (use FVEG = SHDFAC from input)
! 7 -> off (use input LAI; use FVEG = SHDFAC from input)
! 8 -> off (use input LAI; calculate FVEG)
! 9 -> off (use input LAI; use maximum vegetation fraction)
! 10 -> crop model on (use maximum vegetation fraction)
integer :: opt_crs !< options for canopy stomatal resistance
! **1 -> ball-berry
! 2 -> jarvis
integer :: opt_btr !< options for soil moisture factor for stomatal resistance
! **1 -> noah (soil moisture)
! 2 -> clm (matric potential)
! 3 -> ssib (matric potential)
integer :: opt_run !< options for runoff and groundwater
! **1 -> topmodel with groundwater (niu et al. 2007 jgr) ;
! 2 -> topmodel with an equilibrium water table (niu et al. 2005 jgr) ;
! 3 -> original surface and subsurface runoff (free drainage)
! 4 -> bats surface and subsurface runoff (free drainage)
! 5 -> miguez-macho&fan groundwater scheme (miguez-macho et al. 2007 jgr; fan et al. 2007 jgr)
! (needs further testing for public use)
integer :: opt_sfc !< options for surface layer drag coeff (ch & cm)
! **1 -> m-o
! **2 -> original noah (chen97)
! **3 -> myj consistent; 4->ysu consistent. mb: removed in v3.7 for further testing
integer :: opt_frz !< options for supercooled liquid water (or ice fraction)
! **1 -> no iteration (niu and yang, 2006 jhm)
! 2 -> koren's iteration
integer :: opt_inf !< options for frozen soil permeability
! **1 -> linear effects, more permeable (niu and yang, 2006, jhm)
! 2 -> nonlinear effects, less permeable (old)
integer :: opt_rad !< options for radiation transfer
! 1 -> modified two-stream (gap = f(solar angle, 3d structure ...)<1-fveg)
! 2 -> two-stream applied to grid-cell (gap = 0)
! **3 -> two-stream applied to vegetated fraction (gap=1-fveg)
integer :: opt_alb !< options for ground snow surface albedo
! 1 -> bats
! **2 -> class
integer :: opt_snf !< options for partitioning precipitation into rainfall & snowfall
! **1 -> jordan (1991)
! 2 -> bats: when sfctmp<tfrz+2.2
! 3 -> sfctmp < tfrz
! 4 -> use wrf microphysics output
integer :: opt_tbot !< options for lower boundary condition of soil temperature
! 1 -> zero heat flux from bottom (zbot and tbot not used)
! **2 -> tbot at zbot (8m) read from a file (original noah)
integer :: opt_stc !< options for snow/soil temperature time scheme (only layer 1)
! **1 -> semi-implicit; flux top boundary condition
! 2 -> full implicit (original noah); temperature top boundary condition
! 3 -> same as 1, but fsno for ts calculation (generally improves snow; v3.7)
integer :: opt_rsf !< options for surface resistent to evaporation/sublimation
! **1 -> sakaguchi and zeng, 2009
! 2 -> sellers (1992)
! 3 -> adjusted sellers to decrease rsurf for wet soil
! 4 -> option 1 for non-snow; rsurf = rsurf_snow for snow (set in mptable); ad v3.8
integer :: opt_soil !< options for defining soil properties
! **1 -> use input dominant soil texture
! 2 -> use input soil texture that varies with depth
! 3 -> use soil composition (sand, clay, orgm) and pedotransfer functions (opt_pedo)
! 4 -> use input soil properties (bexp_3d, smcmax_3d, etc.)
integer :: opt_pedo !< options for pedotransfer functions (used when opt_soil = 3)
! **1 -> saxton and rawls (2006)
integer :: opt_crop !< options for crop model
! **0 -> no crop model, will run default dynamic vegetation
! 1 -> liu, et al. 2016
integer :: opt_trs !< options for thermal roughness scheme
! **1 -> z0h=z0
! 2 -> czil
! 3 -> ec style
! 4 -> kb inversed
!------------------------------------------------------------------------------------------!
! physical constants: !
!------------------------------------------------------------------------------------------!
real (kind=kind_phys), parameter :: grav = 9.80616 !< acceleration due to gravity (m/s2)
real (kind=kind_phys), parameter :: sb = 5.67e-08 !< stefan-boltzmann constant (w/m2/k4)
real (kind=kind_phys), parameter :: vkc = 0.40 !< von karman constant
real (kind=kind_phys), parameter :: tfrz = 273.16 !< freezing/melting point (k)
real (kind=kind_phys), parameter :: hsub = 2.8440e06 !< latent heat of sublimation (j/kg)
real (kind=kind_phys), parameter :: hvap = 2.5104e06 !< latent heat of vaporization (j/kg)
real (kind=kind_phys), parameter :: hfus = 0.3336e06 !< latent heat of fusion (j/kg)
real (kind=kind_phys), parameter :: cwat = 4.188e06 !< specific heat capacity of water (j/m3/k)
real (kind=kind_phys), parameter :: cice = 2.094e06 !< specific heat capacity of ice (j/m3/k)
real (kind=kind_phys), parameter :: cpair = 1004.64 !< heat capacity dry air at const pres (j/kg/k)
real (kind=kind_phys), parameter :: tkwat = 0.6 !< thermal conductivity of water (w/m/k)
real (kind=kind_phys), parameter :: tkice = 2.2 !< thermal conductivity of ice (w/m/k)
real (kind=kind_phys), parameter :: tkair = 0.023 !< thermal conductivity of air (w/m/k) (not used mb: 20140718)
real (kind=kind_phys), parameter :: rair = 287.04 !< gas constant for dry air (j/kg/k)
real (kind=kind_phys), parameter :: rw = 461.269 !< gas constant for water vapor (j/kg/k)
real (kind=kind_phys), parameter :: denh2o = 1000. !< density of water (kg/m3)
real (kind=kind_phys), parameter :: denice = 917. !< density of ice (kg/m3)
integer, private, parameter :: mband = 2
integer, private, parameter :: nsoil = 4
integer, private, parameter :: nstage = 8
type noahmp_parameters ! define a noahmp parameters type
!------------------------------------------------------------------------------------------!
! from the veg section of mptable.tbl
!------------------------------------------------------------------------------------------!
logical :: urban_flag
integer :: iswater
integer :: isbarren
integer :: isice
integer :: iscrop
integer :: eblforest
real (kind=kind_phys) :: ch2op !< maximum intercepted h2o per unit lai+sai (mm)
real (kind=kind_phys) :: dleaf !< characteristic leaf dimension (m)
real (kind=kind_phys) :: z0mvt !< momentum roughness length (m)
real (kind=kind_phys) :: hvt !< top of canopy (m)
real (kind=kind_phys) :: hvb !< bottom of canopy (m)
real (kind=kind_phys) :: den !< tree density (no. of trunks per m2)
real (kind=kind_phys) :: rc !< tree crown radius (m)
real (kind=kind_phys) :: mfsno !< snowmelt m parameter ()
real (kind=kind_phys) :: scffac !< snow cover factor (m)
real (kind=kind_phys) :: saim(12) !< monthly stem area index, one-sided
real (kind=kind_phys) :: laim(12) !< monthly leaf area index, one-sided
real (kind=kind_phys) :: sla !< single-side leaf area per kg [m2/kg]
real (kind=kind_phys) :: dilefc !< coeficient for leaf stress death [1/s]
real (kind=kind_phys) :: dilefw !< coeficient for leaf stress death [1/s]
real (kind=kind_phys) :: fragr !< fraction of growth respiration !original was 0.3
real (kind=kind_phys) :: ltovrc !< leaf turnover [1/s]
real (kind=kind_phys) :: c3psn !< photosynthetic pathway: 0. = c4, 1. = c3
real (kind=kind_phys) :: kc25 !< co2 michaelis-menten constant at 25c (pa)
real (kind=kind_phys) :: akc !< q10 for kc25
real (kind=kind_phys) :: ko25 !< o2 michaelis-menten constant at 25c (pa)
real (kind=kind_phys) :: ako !< q10 for ko25
real (kind=kind_phys) :: vcmx25 !< maximum rate of carboxylation at 25c (umol co2/m**2/s)
real (kind=kind_phys) :: avcmx !< q10 for vcmx25
real (kind=kind_phys) :: bp !< minimum leaf conductance (umol/m**2/s)
real (kind=kind_phys) :: mp !< slope of conductance-to-photosynthesis relationship
real (kind=kind_phys) :: qe25 !< quantum efficiency at 25c (umol co2 / umol photon)
real (kind=kind_phys) :: aqe !< q10 for qe25
real (kind=kind_phys) :: rmf25 !< leaf maintenance respiration at 25c (umol co2/m**2/s)
real (kind=kind_phys) :: rms25 !< stem maintenance respiration at 25c (umol co2/kg bio/s)
real (kind=kind_phys) :: rmr25 !< root maintenance respiration at 25c (umol co2/kg bio/s)
real (kind=kind_phys) :: arm !< q10 for maintenance respiration
real (kind=kind_phys) :: folnmx !< foliage nitrogen concentration when f(n)=1 (%)
real (kind=kind_phys) :: tmin !< minimum temperature for photosynthesis (k)
real (kind=kind_phys) :: xl !< leaf/stem orientation index
real (kind=kind_phys) :: rhol(mband) !< leaf reflectance: 1=vis, 2=nir
real (kind=kind_phys) :: rhos(mband) !< stem reflectance: 1=vis, 2=nir
real (kind=kind_phys) :: taul(mband) !< leaf transmittance: 1=vis, 2=nir
real (kind=kind_phys) :: taus(mband) !< stem transmittance: 1=vis, 2=nir
real (kind=kind_phys) :: mrp !< microbial respiration parameter (umol co2 /kg c/ s)
real (kind=kind_phys) :: cwpvt !< empirical canopy wind parameter
real (kind=kind_phys) :: wrrat !< wood to non-wood ratio
real (kind=kind_phys) :: wdpool !< wood pool (switch 1 or 0) depending on woody or not [-]
real (kind=kind_phys) :: tdlef !< characteristic t for leaf freezing [k]
integer :: nroot !< number of soil layers with root present
real (kind=kind_phys) :: rgl !< parameter used in radiation stress function
real (kind=kind_phys) :: rsmin !< minimum stomatal resistance [s m-1]
real (kind=kind_phys) :: hs !< parameter used in vapor pressure deficit function
real (kind=kind_phys) :: topt !< optimum transpiration air temperature [k]
real (kind=kind_phys) :: rsmax !< maximal stomatal resistance [s m-1]
real (kind=kind_phys) :: slarea
real (kind=kind_phys) :: eps(5)
!------------------------------------------------------------------------------------------!
! from the rad section of mptable.tbl
!------------------------------------------------------------------------------------------!
real (kind=kind_phys) :: albsat(mband) !< saturated soil albedos: 1=vis, 2=nir
real (kind=kind_phys) :: albdry(mband) !< dry soil albedos: 1=vis, 2=nir
real (kind=kind_phys) :: albice(mband) !< albedo land ice: 1=vis, 2=nir
real (kind=kind_phys) :: alblak(mband) !< albedo frozen lakes: 1=vis, 2=nir
real (kind=kind_phys) :: omegas(mband) !< two-stream parameter omega for snow
real (kind=kind_phys) :: betads !< two-stream parameter betad for snow
real (kind=kind_phys) :: betais !< two-stream parameter betad for snow
real (kind=kind_phys) :: eg(2) !< emissivity
!------------------------------------------------------------------------------------------!
! from the globals section of mptable.tbl
!------------------------------------------------------------------------------------------!
real (kind=kind_phys) :: co2 !< co2 partial pressure
real (kind=kind_phys) :: o2 !< o2 partial pressure
real (kind=kind_phys) :: timean !< gridcell mean topgraphic index (global mean)
real (kind=kind_phys) :: fsatmx !< maximum surface saturated fraction (global mean)
real (kind=kind_phys) :: z0sno !< snow surface roughness length (m) (0.002)
real (kind=kind_phys) :: ssi !< liquid water holding capacity for snowpack (m3/m3)
real (kind=kind_phys) :: snow_ret_fac !< snowpack water release timescale factor (1/s)
real (kind=kind_phys) :: swemx !< new snow mass to fully cover old snow (mm)
real (kind=kind_phys) :: snow_emis !< snow emissivity
real (kind=kind_phys) :: tau0 !< tau0 from yang97 eqn. 10a
real (kind=kind_phys) :: grain_growth !< growth from vapor diffusion yang97 eqn. 10b
real (kind=kind_phys) :: extra_growth !< extra growth near freezing yang97 eqn. 10c
real (kind=kind_phys) :: dirt_soot !< dirt and soot term yang97 eqn. 10d
real (kind=kind_phys) :: bats_cosz !< zenith angle snow albedo adjustment; b in yang97 eqn. 15
real (kind=kind_phys) :: bats_vis_new !< new snow visible albedo
real (kind=kind_phys) :: bats_nir_new !< new snow nir albedo
real (kind=kind_phys) :: bats_vis_age !< age factor for diffuse visible snow albedo yang97 eqn. 17
real (kind=kind_phys) :: bats_nir_age !< age factor for diffuse nir snow albedo yang97 eqn. 18
real (kind=kind_phys) :: bats_vis_dir !< cosz factor for direct visible snow albedo yang97 eqn. 15
real (kind=kind_phys) :: bats_nir_dir !< cosz factor for direct nir snow albedo yang97 eqn. 16
real (kind=kind_phys) :: rsurf_snow !< surface resistance for snow(s/m)
real (kind=kind_phys) :: rsurf_exp !< exponent in the shape parameter for soil resistance option 1
!------------------------------------------------------------------------------------------!
! from the crop section of mptable.tbl
!------------------------------------------------------------------------------------------!
integer :: pltday !< planting date
integer :: hsday !< harvest date
real (kind=kind_phys) :: plantpop !< plant density [per ha] - used?
real (kind=kind_phys) :: irri !< irrigation strategy 0= non-irrigation 1=irrigation (no water-stress)
real (kind=kind_phys) :: gddtbase !< base temperature for gdd accumulation [c]
real (kind=kind_phys) :: gddtcut !< upper temperature for gdd accumulation [c]
real (kind=kind_phys) :: gdds1 !< gdd from seeding to emergence
real (kind=kind_phys) :: gdds2 !< gdd from seeding to initial vegetative
real (kind=kind_phys) :: gdds3 !< gdd from seeding to post vegetative
real (kind=kind_phys) :: gdds4 !< gdd from seeding to intial reproductive
real (kind=kind_phys) :: gdds5 !< gdd from seeding to pysical maturity
integer :: c3c4 !< photosynthetic pathway: 1 = c3 2 = c4
real (kind=kind_phys) :: aref !< reference maximum co2 assimulation rate
real (kind=kind_phys) :: psnrf !< co2 assimulation reduction factor(0-1) (caused by non-modeling part,e.g.pest,weeds)
real (kind=kind_phys) :: i2par !< fraction of incoming solar radiation to photosynthetically active radiation
real (kind=kind_phys) :: tassim0 !< minimum temperature for co2 assimulation [c]
real (kind=kind_phys) :: tassim1 !< co2 assimulation linearly increasing until temperature reaches t1 [c]
real (kind=kind_phys) :: tassim2 !< co2 assmilation rate remain at aref until temperature reaches t2 [c]
real (kind=kind_phys) :: k !< light extinction coefficient
real (kind=kind_phys) :: epsi !< initial light use efficiency
real (kind=kind_phys) :: q10mr !< q10 for maintainance respiration
real (kind=kind_phys) :: foln_mx !< foliage nitrogen concentration when f(n)=1 (%)
real (kind=kind_phys) :: lefreez !< characteristic t for leaf freezing [k]
real (kind=kind_phys) :: dile_fc(nstage) !< coeficient for temperature leaf stress death [1/s]
real (kind=kind_phys) :: dile_fw(nstage) !< coeficient for water leaf stress death [1/s]
real (kind=kind_phys) :: fra_gr !< fraction of growth respiration
real (kind=kind_phys) :: lf_ovrc(nstage) !< fraction of leaf turnover [1/s]
real (kind=kind_phys) :: st_ovrc(nstage) !< fraction of stem turnover [1/s]
real (kind=kind_phys) :: rt_ovrc(nstage) !< fraction of root tunrover [1/s]
real (kind=kind_phys) :: lfmr25 !< leaf maintenance respiration at 25c [umol co2/m**2 /s]
real (kind=kind_phys) :: stmr25 !< stem maintenance respiration at 25c [umol co2/kg bio/s]
real (kind=kind_phys) :: rtmr25 !< root maintenance respiration at 25c [umol co2/kg bio/s]
real (kind=kind_phys) :: grainmr25 !< grain maintenance respiration at 25c [umol co2/kg bio/s]
real (kind=kind_phys) :: lfpt(nstage) !< fraction of carbohydrate flux to leaf
real (kind=kind_phys) :: stpt(nstage) !< fraction of carbohydrate flux to stem
real (kind=kind_phys) :: rtpt(nstage) !< fraction of carbohydrate flux to root
real (kind=kind_phys) :: grainpt(nstage) !< fraction of carbohydrate flux to grain
real (kind=kind_phys) :: bio2lai !< leaf are per living leaf biomass [m^2/kg]
!------------------------------------------------------------------------------------------!
! from the soilparm.tbl tables, as functions of soil category.
!------------------------------------------------------------------------------------------!
real (kind=kind_phys) :: bexp(nsoil) !< b parameter
real (kind=kind_phys) :: smcdry(nsoil) !< dry soil moisture threshold where direct evap from top
!layer ends (volumetric) (not used mb: 20140718)
real (kind=kind_phys) :: smcwlt(nsoil) !< wilting point soil moisture (volumetric)
real (kind=kind_phys) :: smcref(nsoil) !< reference soil moisture (field capacity) (volumetric)
real (kind=kind_phys) :: smcmax (nsoil) !< porosity, saturated value of soil moisture (volumetric)
real (kind=kind_phys) :: psisat(nsoil) !< saturated soil matric potential
real (kind=kind_phys) :: dksat(nsoil) !< saturated soil hydraulic conductivity
real (kind=kind_phys) :: dwsat(nsoil) !< saturated soil hydraulic diffusivity
real (kind=kind_phys) :: quartz(nsoil) !< soil quartz content
real (kind=kind_phys) :: f1 !< soil thermal diffusivity/conductivity coef (not used mb: 20140718)
!------------------------------------------------------------------------------------------!
! from the genparm.tbl file
!------------------------------------------------------------------------------------------!
real (kind=kind_phys) :: slope !< slope index (0 - 1)
real (kind=kind_phys) :: csoil !< vol. soil heat capacity [j/m3/k]
real (kind=kind_phys) :: zbot !< depth (m) of lower boundary soil temperature
real (kind=kind_phys) :: czil !< calculate roughness length of heat
real (kind=kind_phys) :: refdk
real (kind=kind_phys) :: refkdt
real (kind=kind_phys) :: kdt !< used in compute maximum infiltration rate (in infil)
real (kind=kind_phys) :: frzx !< used in compute maximum infiltration rate (in infil)
end type noahmp_parameters
!
! for sfcdif4
!
real(kind=kind_phys), parameter :: prt=1. !prandtl number
real(kind=kind_phys), parameter :: p1000mb = 100000.
real(kind=kind_phys), parameter :: svp1 = 0.6112
real(kind=kind_phys), parameter :: svp2 = 17.67
real(kind=kind_phys), parameter :: svp3 = 29.65
real(kind=kind_phys), parameter :: svpt0 = 273.15
real(kind=kind_phys), parameter :: onethird = 1./3.
real(kind=kind_phys), parameter :: sqrt3 = 1.7320508075688773
real(kind=kind_phys), parameter :: atan1 = 0.785398163397 !in radians
real(kind=kind_phys), parameter :: vconvc=1.25
real(kind=kind_phys), parameter :: snowz0 = 0.011
real(kind=kind_phys), parameter :: wmin = 0.1
real(kind=kind_phys), dimension(0:1000 ),save :: psim_stab,psim_unstab, &
psih_stab,psih_unstab
contains
!
!== begin noahmp_sflx ==============================================================================
!>\ingroup NoahMP_LSM
subroutine noahmp_sflx (parameters, &
iloc , jloc , lat , yearlen , julian , cosz , & ! in : time/space-related
dt , dx , dz8w , nsoil , zsoil , nsnow , & ! in : model configuration
shdfac , shdmax , vegtyp , ice , ist , croptype, & ! in : vegetation/soil characteristics
smceq , & ! in : vegetation/soil characteristics
sfctmp , sfcprs , psfc , uu , vv , q2, garea1 , & ! in : forcing
qc , soldn , lwdn,thsfc_loc, prslkix,prsik1x,prslk1x,& ! in : forcing
pblhx , iz0tlnd , itime ,psi_opt ,&
prcpconv, prcpnonc, prcpshcv, prcpsnow, prcpgrpl, prcphail, & ! in : forcing
tbot , co2air , o2air , foln , ficeold , zlvl , & ! in : forcing
ep_1 , ep_2 , cp , & ! in : constants
albold , sneqvo , & ! in/out :
stc , sh2o , smc , tah , eah , fwet , & ! in/out :
canliq , canice , tv , tg , qsfc, qsnow, qrain, & ! in/out :
isnow , zsnso , snowh , sneqv , snice , snliq , & ! in/out :
zwt , wa , wt , wslake , lfmass , rtmass , & ! in/out :
stmass , wood , stblcp , fastcp , lai , sai , & ! in/out :
cm , ch , tauss , & ! in/out :
grain , gdd , pgs , & ! in/out
smcwtd ,deeprech , rech , ustarx , & ! in/out :
z0wrf , z0hwrf , ts , & ! out :
fsa , fsr , fira , fsh , ssoil , fcev , & ! out :
fgev , fctr , ecan , etran , edir , trad , & ! out :
tgb , tgv , t2mv , t2mb , q2v , q2b , & ! out :
runsrf , runsub , apar , psn , sav , sag , & ! out :
fsno , nee , gpp , npp , fveg , albedo , & ! out :
qsnbot , ponding , ponding1, ponding2, rssun , rssha , & ! out :
albd , albi , albsnd , albsni , & ! out :
bgap , wgap , chv , chb , emissi , & ! out :
shg , shc , shb , evg , evb , ghv , & ! out :
ghb , irg , irc , irb , tr , evc , & ! out :
chleaf , chuc , chv2 , chb2 , fpice , pahv , &
pahg , pahb , pah , esnow , laisun , laisha , rb &
#ifdef CCPP
,errmsg, errflg)
#else
)
#endif
! --------------------------------------------------------------------------------------------------
! initial code: guo-yue niu, oct. 2007
! --------------------------------------------------------------------------------------------------
implicit none
! --------------------------------------------------------------------------------------------------
! input
type (noahmp_parameters), intent(in) :: parameters
integer , intent(in) :: ice !< ice (ice = 1)
integer , intent(in) :: ist !< surface type 1->soil; 2->lake
integer , intent(in) :: vegtyp !< vegetation type
INTEGER , INTENT(IN) :: CROPTYPE !< crop type
integer , intent(in) :: nsnow !< maximum no. of snow layers
integer , intent(in) :: nsoil !< no. of soil layers
integer , intent(in) :: iloc !< grid index
integer , intent(in) :: jloc !< grid index
real (kind=kind_phys) , intent(in) :: ep_1
real (kind=kind_phys) , intent(in) :: ep_2
real (kind=kind_phys) , intent(in) :: cp
real (kind=kind_phys) , intent(in) :: dt !< time step [sec]
real (kind=kind_phys), dimension( 1:nsoil), intent(in) :: zsoil !< layer-bottom depth from soil surf (m)
real (kind=kind_phys) , intent(in) :: q2 !< mixing ratio (kg/kg) lowest model layer
real (kind=kind_phys) , intent(in) :: sfctmp !< surface air temperature [k]
real (kind=kind_phys) , intent(in) :: uu !< wind speed in eastward dir (m/s)
real (kind=kind_phys) , intent(in) :: vv !< wind speed in northward dir (m/s)
real (kind=kind_phys) , intent(in) :: soldn !< downward shortwave radiation (w/m2)
real (kind=kind_phys) , intent(in) :: lwdn !< downward longwave radiation (w/m2)
real (kind=kind_phys) , intent(in) :: sfcprs !< pressure (pa)
logical , intent(in) :: thsfc_loc
real (kind=kind_phys) , intent(in) :: prslkix ! in exner function
real (kind=kind_phys) , intent(in) :: prsik1x ! in exner function
real (kind=kind_phys) , intent(in) :: prslk1x ! in exner function
real (kind=kind_phys) , intent(in) :: garea1 ! in exner function
real (kind=kind_phys) , intent(in) :: pblhx ! pbl height
integer , intent(in) :: iz0tlnd !< z0t option
integer , intent(in) :: itime !<
integer , intent(in) :: psi_opt !<
real (kind=kind_phys) , intent(inout) :: zlvl !< reference height (m)
real (kind=kind_phys) , intent(in) :: cosz !< cosine solar zenith angle [0-1]
real (kind=kind_phys) , intent(in) :: tbot !< bottom condition for soil temp. [k]
real (kind=kind_phys) , intent(in) :: foln !< foliage nitrogen (%) [1-saturated]
real (kind=kind_phys) , intent(in) :: shdfac !< green vegetation fraction [0.0-1.0]
integer , intent(in) :: yearlen!< number of days in the particular year.
real (kind=kind_phys) , intent(in) :: julian !< julian day of year (floating point)
real (kind=kind_phys) , intent(in) :: lat !< latitude (radians)
real (kind=kind_phys), dimension(-nsnow+1: 0), intent(in) :: ficeold!< ice fraction at last timestep
real (kind=kind_phys), dimension( 1:nsoil), intent(in) :: smceq !< equilibrium soil water content [m3/m3]
real (kind=kind_phys) , intent(in) :: prcpconv !< convective precipitation entering [mm/s] ! mb/an : v3.7
real (kind=kind_phys) , intent(in) :: prcpnonc !< non-convective precipitation entering [mm/s] ! mb/an : v3.7
real (kind=kind_phys) , intent(in) :: prcpshcv !< shallow convective precip entering [mm/s] ! mb/an : v3.7
real (kind=kind_phys) , intent(in) :: prcpsnow !< snow entering land model [mm/s] ! mb/an : v3.7
real (kind=kind_phys) , intent(in) :: prcpgrpl !< graupel entering land model [mm/s] ! mb/an : v3.7
real (kind=kind_phys) , intent(in) :: prcphail !< hail entering land model [mm/s] ! mb/an : v3.7
!jref:start; in
real (kind=kind_phys) , intent(in) :: qc !< cloud water mixing ratio
real (kind=kind_phys) , intent(inout) :: qsfc !< mixing ratio at lowest model layer
real (kind=kind_phys) , intent(in) :: psfc !< pressure at lowest model layer
real (kind=kind_phys) , intent(in) :: dz8w !< thickness of lowest layer
real (kind=kind_phys) , intent(in) :: dx
real (kind=kind_phys) , intent(in) :: shdmax !< yearly max vegetation fraction
!jref:end
! input/output : need arbitary intial values
real (kind=kind_phys) , intent(inout) :: qsnow !< snowfall [mm/s]
REAL (kind=kind_phys) , INTENT(INOUT) :: QRAIN !< rainfall [mm/s]
real (kind=kind_phys) , intent(inout) :: fwet !< wetted or snowed fraction of canopy (-)
real (kind=kind_phys) , intent(inout) :: sneqvo !< snow mass at last time step (mm)
real (kind=kind_phys) , intent(inout) :: eah !< canopy air vapor pressure (pa)
real (kind=kind_phys) , intent(inout) :: tah !< canopy air tmeperature (k)
real (kind=kind_phys) , intent(inout) :: albold !< snow albedo at last time step (class type)
real (kind=kind_phys) , intent(inout) :: cm !< momentum drag coefficient
real (kind=kind_phys) , intent(inout) :: ch !< sensible heat exchange coefficient
real (kind=kind_phys) , intent(inout) :: tauss !< non-dimensional snow age
real (kind=kind_phys) , intent(inout) :: ustarx !< friction velocity
! prognostic variables
integer , intent(inout) :: isnow !< actual no. of snow layers [-]
real (kind=kind_phys) , intent(inout) :: canliq !< intercepted liquid water (mm)
real (kind=kind_phys) , intent(inout) :: canice !< intercepted ice mass (mm)
real (kind=kind_phys) , intent(inout) :: sneqv !< snow water eqv. [mm]
real (kind=kind_phys), dimension( 1:nsoil), intent(inout) :: smc !< soil moisture (ice + liq.) [m3/m3]
real (kind=kind_phys), dimension(-nsnow+1:nsoil), intent(inout) :: zsnso !< layer-bottom depth from snow surf [m]
real (kind=kind_phys) , intent(inout) :: snowh !< snow height [m]
real (kind=kind_phys), dimension(-nsnow+1: 0), intent(inout) :: snice !< snow layer ice [mm]
real (kind=kind_phys), dimension(-nsnow+1: 0), intent(inout) :: snliq !< snow layer liquid water [mm]
real (kind=kind_phys) , intent(inout) :: tv !< vegetation temperature (k)
real (kind=kind_phys) , intent(inout) :: tg !< ground temperature (k)
real (kind=kind_phys), dimension(-nsnow+1:nsoil), intent(inout) :: stc !< snow/soil temperature [k]
real (kind=kind_phys), dimension( 1:nsoil), intent(inout) :: sh2o !< liquid soil moisture [m3/m3]
real (kind=kind_phys) , intent(inout) :: zwt !< depth to water table [m]
real (kind=kind_phys) , intent(inout) :: wa !< water storage in aquifer [mm]
real (kind=kind_phys) , intent(inout) :: wt !< water in aquifer&saturated soil [mm]
real (kind=kind_phys) , intent(inout) :: wslake !< lake water storage (can be neg.) (mm)
real (kind=kind_phys), intent(inout) :: smcwtd !< soil water content between bottom of the soil and water table [m3/m3]
real (kind=kind_phys), intent(inout) :: deeprech !< recharge to or from the water table when deep [m]
real (kind=kind_phys), intent(inout) :: rech !< recharge to or from the water table when shallow [m] (diagnostic)
! output
real (kind=kind_phys) , intent(out) :: z0wrf !< combined z0 sent to coupled model
real (kind=kind_phys) , intent(out) :: z0hwrf !< combined z0h sent to coupled model
real (kind=kind_phys) , intent(out) :: fsa !< total absorbed solar radiation (w/m2)
real (kind=kind_phys) , intent(out) :: fsr !< total reflected solar radiation (w/m2)
real (kind=kind_phys) , intent(out) :: fira !< total net lw rad (w/m2) [+ to atm]
real (kind=kind_phys) , intent(out) :: fsh !< total sensible heat (w/m2) [+ to atm]
real (kind=kind_phys) , intent(out) :: fcev !< canopy evap heat (w/m2) [+ to atm]
real (kind=kind_phys) , intent(out) :: fgev !< ground evap heat (w/m2) [+ to atm]
real (kind=kind_phys) , intent(out) :: fctr !< transpiration heat (w/m2) [+ to atm]
real (kind=kind_phys) , intent(out) :: ssoil !< ground heat flux (w/m2) [+ to soil]
real (kind=kind_phys) , intent(out) :: trad !< surface radiative temperature (k)
real (kind=kind_phys) , intent(out) :: ts !< surface combined aero temperature (k)
real (kind=kind_phys) , intent(out) :: ecan !< evaporation of intercepted water (mm/s)
real (kind=kind_phys) , intent(out) :: etran !< transpiration rate (mm/s)
real (kind=kind_phys) , intent(out) :: edir !< soil surface evaporation rate (mm/s]
real (kind=kind_phys) , intent(out) :: runsrf !< surface runoff [mm/s]
real (kind=kind_phys) , intent(out) :: runsub !< baseflow (saturation excess) [mm/s]
real (kind=kind_phys) , intent(out) :: psn !< total photosynthesis (umol co2/m2/s) [+]
real (kind=kind_phys) , intent(out) :: apar !< photosyn active energy by canopy (w/m2)
real (kind=kind_phys) , intent(out) :: sav !< solar rad absorbed by veg. (w/m2)
real (kind=kind_phys) , intent(out) :: sag !< solar rad absorbed by ground (w/m2)
real (kind=kind_phys) , intent(out) :: fsno !< snow cover fraction on the ground (-)
real (kind=kind_phys) , intent(out) :: fveg !< green vegetation fraction [0.0-1.0]
real (kind=kind_phys) , intent(out) :: albedo !< surface albedo [-]
real (kind=kind_phys) :: errwat !< water error [kg m{-2}]
real (kind=kind_phys) , intent(out) :: qsnbot !< snowmelt out bottom of pack [mm/s]
real (kind=kind_phys) , intent(out) :: ponding!< surface ponding [mm]
real (kind=kind_phys) , intent(out) :: ponding1!< surface ponding [mm]
real (kind=kind_phys) , intent(out) :: ponding2!< surface ponding [mm]
real (kind=kind_phys) , intent(out) :: esnow
real (kind=kind_phys) , intent(out) :: rb !< leaf boundary layer resistance (s/m)
real (kind=kind_phys) , intent(out) :: laisun !< sunlit leaf area index (m2/m2)
real (kind=kind_phys) , intent(out) :: laisha !< shaded leaf area index (m2/m2)
!jref:start; output
real (kind=kind_phys) , intent(out) :: t2mv !< 2-m air temperature over vegetated part [k]
real (kind=kind_phys) , intent(out) :: t2mb !< 2-m air temperature over bare ground part [k]
real (kind=kind_phys), intent(out) :: rssun !< sunlit leaf stomatal resistance (s/m)
real (kind=kind_phys), intent(out) :: rssha !< shaded leaf stomatal resistance (s/m)
real (kind=kind_phys), intent(out) :: bgap
real (kind=kind_phys), intent(out) :: wgap
real (kind=kind_phys), dimension(1:2) , intent(out) :: albd !< albedo (direct)
real (kind=kind_phys), dimension(1:2) , intent(out) :: albi !< albedo (diffuse)
real (kind=kind_phys), dimension(1:2) , intent(out) :: albsnd !< snow albedo (direct)
real (kind=kind_phys), dimension(1:2) , intent(out) :: albsni !< snow albedo (diffuse)
real (kind=kind_phys), intent(out) :: tgv
real (kind=kind_phys), intent(out) :: tgb
real (kind=kind_phys) :: q1
real (kind=kind_phys), intent(out) :: emissi
!jref:end
#ifdef CCPP
character(len=*), intent(inout) :: errmsg
integer, intent(inout) :: errflg
#endif
! local
integer :: iz !< do-loop index
integer, dimension(-nsnow+1:nsoil) :: imelt !< phase change index [1-melt; 2-freeze]
real (kind=kind_phys) :: cmc !< intercepted water (canice+canliq) (mm)
real (kind=kind_phys) :: taux !< wind stress: e-w (n/m2)
real (kind=kind_phys) :: tauy !< wind stress: n-s (n/m2)
real (kind=kind_phys) :: rhoair !< density air (kg/m3)
! real (kind=kind_phys), dimension( 1: 5) :: vocflx !< voc fluxes [ug c m-2 h-1]
real (kind=kind_phys), dimension(-nsnow+1:nsoil) :: dzsnso !< snow/soil layer thickness [m]
real (kind=kind_phys) :: thair !< potential temperature (k)
real (kind=kind_phys) :: qair !< specific humidity (kg/kg) (q2/(1+q2))
real (kind=kind_phys) :: eair !< vapor pressure air (pa)
real (kind=kind_phys), dimension( 1: 2) :: solad !< incoming direct solar rad (w/m2)
real (kind=kind_phys), dimension( 1: 2) :: solai !< incoming diffuse solar rad (w/m2)
real (kind=kind_phys) :: qprecc !< convective precipitation (mm/s)
real (kind=kind_phys) :: qprecl !< large-scale precipitation (mm/s)
real (kind=kind_phys) :: igs !< growing season index (0=off, 1=on)
real (kind=kind_phys) :: elai !< leaf area index, after burying by snow
real (kind=kind_phys) :: esai !< stem area index, after burying by snow
real (kind=kind_phys) :: bevap !< soil water evaporation factor (0 - 1)
real (kind=kind_phys), dimension( 1:nsoil) :: btrani !< soil water transpiration factor (0 - 1)
real (kind=kind_phys) :: btran !< soil water transpiration factor (0 - 1)
real (kind=kind_phys) :: qin !< groundwater recharge [mm/s]
real (kind=kind_phys) :: qdis !< groundwater discharge [mm/s]
real (kind=kind_phys), dimension( 1:nsoil) :: sice !< soil ice content (m3/m3)
real (kind=kind_phys), dimension(-nsnow+1: 0) :: snicev !< partial volume ice of snow [m3/m3]
real (kind=kind_phys), dimension(-nsnow+1: 0) :: snliqv !< partial volume liq of snow [m3/m3]
real (kind=kind_phys), dimension(-nsnow+1: 0) :: epore !< effective porosity [m3/m3]
real (kind=kind_phys) :: totsc !< total soil carbon (g/m2)
real (kind=kind_phys) :: totlb !< total living carbon (g/m2)
real (kind=kind_phys) :: t2m !< 2-meter air temperature (k)
real (kind=kind_phys) :: qdew !< ground surface dew rate [mm/s]
real (kind=kind_phys) :: qvap !< ground surface evap. rate [mm/s]
real (kind=kind_phys) :: lathea !< latent heat [j/kg]
real (kind=kind_phys) :: swdown !< downward solar [w/m2]
real (kind=kind_phys) :: qmelt !< snowmelt [mm/s]
real (kind=kind_phys) :: beg_wb !< water storage at begin of a step [mm]
real (kind=kind_phys),intent(out) :: irc !< canopy net lw rad. [w/m2] [+ to atm]
real (kind=kind_phys),intent(out) :: irg !< ground net lw rad. [w/m2] [+ to atm]
real (kind=kind_phys),intent(out) :: shc !< canopy sen. heat [w/m2] [+ to atm]
real (kind=kind_phys),intent(out) :: shg !< ground sen. heat [w/m2] [+ to atm]
real (kind=kind_phys),intent(out) :: evg !< ground evap. heat [w/m2] [+ to atm]
real (kind=kind_phys),intent(out) :: ghv !< ground heat flux [w/m2] [+ to soil]
real (kind=kind_phys),intent(out) :: irb !< net longwave rad. [w/m2] [+ to atm]
real (kind=kind_phys),intent(out) :: shb !< sensible heat [w/m2] [+ to atm]
real (kind=kind_phys),intent(out) :: evb !< evaporation heat [w/m2] [+ to atm]
real (kind=kind_phys),intent(out) :: ghb !< ground heat flux [w/m2] [+ to soil]
real (kind=kind_phys),intent(out) :: evc !< canopy evap. heat [w/m2] [+ to atm]
real (kind=kind_phys),intent(out) :: tr !< transpiration heat [w/m2] [+ to atm]
real (kind=kind_phys), intent(out) :: fpice !< snow fraction in precipitation
real (kind=kind_phys), intent(out) :: pahv !< precipitation advected heat - vegetation net (w/m2)
real (kind=kind_phys), intent(out) :: pahg !< precipitation advected heat - under canopy net (w/m2)
real (kind=kind_phys), intent(out) :: pahb !< precipitation advected heat - bare ground net (w/m2)
real (kind=kind_phys), intent(out) :: pah !< precipitation advected heat - total (w/m2)
!jref:start
real (kind=kind_phys) :: fsrv
real (kind=kind_phys) :: fsrg
real (kind=kind_phys),intent(out) :: q2v
real (kind=kind_phys),intent(out) :: q2b
real (kind=kind_phys) :: q2e
real (kind=kind_phys) :: qfx
real (kind=kind_phys),intent(out) :: chv !< sensible heat exchange coefficient over vegetated fraction
real (kind=kind_phys),intent(out) :: chb !< sensible heat exchange coefficient over bare-ground
real (kind=kind_phys),intent(out) :: chleaf !< leaf exchange coefficient
real (kind=kind_phys),intent(out) :: chuc !< under canopy exchange coefficient
real (kind=kind_phys),intent(out) :: chv2 !< sensible heat exchange coefficient over vegetated fraction
real (kind=kind_phys),intent(out) :: chb2 !< sensible heat exchange coefficient over bare-ground
!jref:end
! carbon
! inputs
real (kind=kind_phys) , intent(in) :: co2air !< atmospheric co2 concentration (pa)
real (kind=kind_phys) , intent(in) :: o2air !< atmospheric o2 concentration (pa)
! inputs and outputs : prognostic variables
real (kind=kind_phys) , intent(inout) :: lfmass !< leaf mass [g/m2]
real (kind=kind_phys) , intent(inout) :: rtmass !< mass of fine roots [g/m2]
real (kind=kind_phys) , intent(inout) :: stmass !< stem mass [g/m2]
real (kind=kind_phys) , intent(inout) :: wood !< mass of wood (incl. woody roots) [g/m2]
real (kind=kind_phys) , intent(inout) :: stblcp !< stable carbon in deep soil [g/m2]
real (kind=kind_phys) , intent(inout) :: fastcp !< short-lived carbon, shallow soil [g/m2]
real (kind=kind_phys) , intent(inout) :: lai !< leaf area index [-]
real (kind=kind_phys) , intent(inout) :: sai !< stem area index [-]
real (kind=kind_phys) , intent(inout) :: grain !< grain mass [g/m2]
real (kind=kind_phys) , intent(inout) :: gdd !< growing degree days
integer , intent(inout) :: pgs !< plant growing stage [-]
! outputs
real (kind=kind_phys) , intent(out) :: nee !< net ecosys exchange (g/m2/s co2)
real (kind=kind_phys) , intent(out) :: gpp !< net instantaneous assimilation [g/m2/s c]
real (kind=kind_phys) , intent(out) :: npp !< net primary productivity [g/m2/s c]
real (kind=kind_phys) :: autors !< net ecosystem respiration (g/m2/s c)
real (kind=kind_phys) :: heters !< organic respiration (g/m2/s c)
real (kind=kind_phys) :: troot !< root-zone averaged temperature (k)
real (kind=kind_phys) :: bdfall !< bulk density of new snow (kg/m3) ! mb/an: v3.7
real (kind=kind_phys) :: rain !< rain rate (mm/s) ! mb/an: v3.7
real (kind=kind_phys) :: snow !< liquid equivalent snow rate (mm/s) ! mb/an: v3.7
real (kind=kind_phys) :: fp ! mb/an: v3.7
real (kind=kind_phys) :: prcp ! mb/an: v3.7
!more local variables for precip heat mb
real (kind=kind_phys) :: qintr !< interception rate for rain (mm/s)
real (kind=kind_phys) :: qdripr !< drip rate for rain (mm/s)
real (kind=kind_phys) :: qthror !< throughfall for rain (mm/s)
real (kind=kind_phys) :: qints !< interception (loading) rate for snowfall (mm/s)
real (kind=kind_phys) :: qdrips !< drip (unloading) rate for intercepted snow (mm/s)
real (kind=kind_phys) :: qthros !< throughfall of snowfall (mm/s)
real (kind=kind_phys) :: snowhin !< snow depth increasing rate (m/s)
real (kind=kind_phys) :: latheav !< latent heat vap./sublimation (j/kg)
real (kind=kind_phys) :: latheag !< latent heat vap./sublimation (j/kg)
logical :: frozen_ground !< used to define latent heat pathway
logical :: frozen_canopy !< used to define latent heat pathway
logical :: dveg_active !< flag to run dynamic vegetation
logical :: crop_active !< flag to run crop model
! add canopy heat storage (C.He added based on GY Niu's communication)
real (kind=kind_phys) :: canhs ! canopy heat storage change w/m2
! intent (out) variables need to be assigned a value. these normally get assigned values
! only if dveg == 2.
nee = 0.0
npp = 0.0
gpp = 0.0
pahv = 0.
pahg = 0.
pahb = 0.
pah = 0.
canhs = 0.
! --------------------------------------------------------------------------------------------------
! re-process atmospheric forcing
call atm (parameters,sfcprs ,sfctmp ,q2 , &
prcpconv, prcpnonc,prcpshcv,prcpsnow,prcpgrpl,prcphail, &
soldn ,cosz ,thair ,qair , &
eair ,rhoair ,qprecc ,qprecl ,solad ,solai , &
swdown ,bdfall ,rain ,snow ,fp ,fpice , prcp )
! snow/soil layer thickness (m)
do iz = isnow+1, nsoil
if(iz == isnow+1) then
dzsnso(iz) = - zsnso(iz)
else
dzsnso(iz) = zsnso(iz-1) - zsnso(iz)
end if
end do
! root-zone temperature
troot = 0.
do iz=1,parameters%nroot
troot = troot + stc(iz)*dzsnso(iz)/(-zsoil(parameters%nroot))
enddo
! total water storage for water balance check
if(ist == 1) then
beg_wb = canliq + canice + sneqv + wa
do iz = 1,nsoil
beg_wb = beg_wb + smc(iz) * dzsnso(iz) * 1000.
end do
end if
! vegetation phenology
call phenology (parameters,vegtyp ,croptype, snowh , tv , lat , yearlen , julian , & !in
lai , sai , troot , elai , esai ,igs, pgs)
!input gvf should be consistent with lai
if(dveg == 1 .or. dveg == 6 .or. dveg == 7) then
fveg = shdfac
if(fveg <= 0.05) fveg = 0.05
else if (dveg == 2 .or. dveg == 3 .or. dveg == 8) then
fveg = 1.-exp(-0.52*(lai+sai))
if(fveg <= 0.05) fveg = 0.05
else if (dveg == 4 .or. dveg == 5 .or. dveg == 9) then
fveg = shdmax
if(fveg <= 0.05) fveg = 0.05
else
write(*,*) "-------- fatal called in sflx -----------"
#ifdef CCPP
errflg = 1
errmsg = "namelist parameter dveg unknown"
return
#else
call wrf_error_fatal("namelist parameter dveg unknown")
#endif
endif
if(opt_crop > 0 .and. croptype > 0) then
fveg = shdmax
if(fveg <= 0.05) fveg = 0.05
endif
if(parameters%urban_flag .or. vegtyp == parameters%isbarren) fveg = 0.0
if(elai+esai == 0.0) fveg = 0.0
call precip_heat(parameters,iloc ,jloc ,vegtyp ,dt ,uu ,vv , & !in
elai ,esai ,fveg ,ist , & !in
bdfall ,rain ,snow ,fp , & !in
canliq ,canice ,tv ,sfctmp ,tg , & !in
qintr ,qdripr ,qthror ,qints ,qdrips ,qthros , & !out
pahv ,pahg ,pahb ,qrain ,qsnow ,snowhin, & !out
fwet ,cmc ) !out
! compute energy budget (momentum & energy fluxes and phase changes)
call energy (parameters,ice ,vegtyp ,ist ,nsnow ,nsoil , & !in
isnow ,dt ,rhoair ,sfcprs ,qair , & !in
sfctmp ,thair ,lwdn ,uu ,vv ,zlvl , & !in
co2air ,o2air ,solad ,solai ,cosz ,igs , & !in
eair ,tbot ,zsnso ,zsoil , & !in
elai ,esai ,fwet ,foln , & !in
fveg ,shdfac, pahv ,pahg ,pahb , & !in
qsnow ,dzsnso ,lat ,canliq ,canice ,iloc, jloc , & !in
thsfc_loc, prslkix,prsik1x,prslk1x,garea1, & !in
pblhx ,iz0tlnd, itime ,psi_opt, ep_1, ep_2, cp, &
z0wrf ,z0hwrf , & !out
imelt ,snicev ,snliqv ,epore ,t2m ,fsno , & !out
sav ,sag ,qmelt ,fsa ,fsr ,taux , & !out
tauy ,fira ,fsh ,fcev ,fgev ,fctr , & !out
trad ,psn ,apar ,ssoil ,btrani ,btran , & !out
ponding,ts ,latheav , latheag , frozen_canopy,frozen_ground, & !out
tv ,tg ,stc ,snowh ,eah ,tah , & !inout
sneqvo ,sneqv ,sh2o ,smc ,snice ,snliq , & !inout
albold ,cm ,ch ,dx ,dz8w ,q2 , & !inout
ustarx , & !inout
#ifdef CCPP
tauss ,laisun ,laisha ,rb , errmsg ,errflg , & !inout
#else
tauss ,laisun ,laisha ,rb , & !inout
#endif
!jref:start
qc ,qsfc ,psfc , & !in
t2mv ,t2mb ,fsrv , &
fsrg ,rssun ,rssha ,albd ,albi ,albsnd,albsni, bgap ,wgap, tgv,tgb,&
q1 ,q2v ,q2b ,q2e ,chv ,chb , & !out
emissi ,pah ,canhs, &
shg,shc,shb,evg,evb,ghv,ghb,irg,irc,irb,tr,evc,chleaf,chuc,chv2,chb2 ) !out
qsfc = q1 !
!jref:end
#ifdef CCPP
if (errflg /= 0) return
#endif
sice(:) = max(0.0, smc(:) - sh2o(:))
sneqvo = sneqv
qvap = max( fgev/latheag, 0.) ! positive part of fgev; barlage change to ground v3.6
qdew = abs( min(fgev/latheag, 0.)) ! negative part of fgev
edir = qvap - qdew
! compute water budgets (water storages, et components, and runoff)
call water (parameters,vegtyp ,nsnow ,nsoil ,imelt ,dt ,uu , & !in
vv ,fcev ,fctr ,qprecc ,qprecl ,elai , & !in
esai ,sfctmp ,qvap ,qdew ,zsoil ,btrani , & !in
ficeold,ponding,tg ,ist ,fveg ,iloc,jloc , smceq , & !in
bdfall ,fp ,rain ,snow , & !in mb/an: v3.7
qsnow ,qrain ,snowhin,latheav,latheag,frozen_canopy,frozen_ground, & !in mb
isnow ,canliq ,canice ,tv ,snowh ,sneqv , & !inout
snice ,snliq ,stc ,zsnso ,sh2o ,smc , & !inout
sice ,zwt ,wa ,wt ,dzsnso ,wslake , & !inout
smcwtd ,deeprech,rech , & !inout
cmc ,ecan ,etran ,fwet ,runsrf ,runsub , & !out
qin ,qdis ,ponding1 ,ponding2,&
qsnbot ,esnow ) !out
! write(*,'(a20,10f15.5)') 'sflx:runoff=',runsrf*dt,runsub*dt,edir*dt
! compute carbon budgets (carbon storages and co2 & bvoc fluxes)
crop_active = .false.
dveg_active = .false.
if (dveg == 2 .or. dveg == 5 .or. dveg == 6) dveg_active = .true.
if (opt_crop > 0 .and. croptype > 0) then
crop_active = .true.
dveg_active = .false.
endif
IF (dveg_active) THEN
call carbon (parameters,nsnow ,nsoil ,vegtyp ,dt ,zsoil , & !in
dzsnso ,stc ,smc ,tv ,tg ,psn , & !in
foln ,btran ,apar ,fveg ,igs , & !in
troot ,ist ,lat ,iloc ,jloc , & !in
lfmass ,rtmass ,stmass ,wood ,stblcp ,fastcp , & !inout
gpp ,npp ,nee ,autors ,heters ,totsc , & !out
totlb ,lai ,sai ) !out
end if
if (opt_crop == 1 .and. crop_active) then
call carbon_crop (parameters,nsnow ,nsoil ,vegtyp ,dt ,zsoil ,julian , & !in
dzsnso ,stc ,smc ,tv ,psn ,foln ,btran , & !in
soldn ,t2m , & !in
lfmass ,rtmass ,stmass ,wood ,stblcp ,fastcp ,grain , & !inout
lai ,sai ,gdd , & !inout
gpp ,npp ,nee ,autors ,heters ,totsc ,totlb, pgs ) !out
end if
! water and energy balance check
call error (parameters,swdown ,fsa ,fsr ,fira ,fsh ,fcev , & !in
fgev ,fctr ,ssoil ,beg_wb ,canliq ,canice , & !in
sneqv ,wa ,smc ,dzsnso ,prcp ,ecan , & !in
etran ,edir ,runsrf ,runsub ,dt ,nsoil , & !in
nsnow ,ist ,errwat ,iloc , jloc ,fveg , &
sav ,sag ,fsrv ,fsrg ,zwt ,pah , &
#ifdef CCPP
pahv ,pahg ,pahb ,canhs,errmsg, errflg) !in ( except errwat [out] and errmsg, errflg [inout] )
#else
pahv ,pahg ,pahb, canhs ) !in ( except errwat, which is out )
#endif
#ifdef CCPP
if (errflg /= 0) return
#endif
! urban - jref
qfx = etran + ecan + edir
if ( parameters%urban_flag ) then
qsfc = qfx/(rhoair*ch) + qair
q2b = qsfc
end if
if(snowh <= 1.e-6 .or. sneqv <= 1.e-3) then
snowh = 0.0
sneqv = 0.0
end if
if(swdown.ne.0.) then
albedo = fsr / swdown
else
albedo = -999.9
end if
end subroutine noahmp_sflx
!== begin atm ======================================================================================
!>\ingroup NoahMP_LSM
!! re-precess atmospheric forcing.
subroutine atm (parameters,sfcprs ,sfctmp ,q2 , &
prcpconv,prcpnonc ,prcpshcv,prcpsnow,prcpgrpl,prcphail , &
soldn ,cosz ,thair ,qair , &
eair ,rhoair ,qprecc ,qprecl ,solad , solai , &
swdown ,bdfall ,rain ,snow ,fp , fpice ,prcp )
! --------------------------------------------------------------------------------------------------
! re-process atmospheric forcing
! ----------------------------------------------------------------------
implicit none
! --------------------------------------------------------------------------------------------------
! inputs
type (noahmp_parameters), intent(in) :: parameters
real (kind=kind_phys) , intent(in) :: sfcprs !pressure (pa)
real (kind=kind_phys) , intent(in) :: sfctmp !surface air temperature [k]
real (kind=kind_phys) , intent(in) :: q2 !mixing ratio (kg/kg)
real (kind=kind_phys) , intent(in) :: prcpconv ! convective precipitation entering [mm/s] ! mb/an : v3.7
real (kind=kind_phys) , intent(in) :: prcpnonc ! non-convective precipitation entering [mm/s] ! mb/an : v3.7
real (kind=kind_phys) , intent(in) :: prcpshcv ! shallow convective precip entering [mm/s] ! mb/an : v3.7
real (kind=kind_phys) , intent(in) :: prcpsnow ! snow entering land model [mm/s] ! mb/an : v3.7
real (kind=kind_phys) , intent(in) :: prcpgrpl ! graupel entering land model [mm/s] ! mb/an : v3.7
real (kind=kind_phys) , intent(in) :: prcphail ! hail entering land model [mm/s] ! mb/an : v3.7
real (kind=kind_phys) , intent(in) :: soldn !downward shortwave radiation (w/m2)
real (kind=kind_phys) , intent(in) :: cosz !cosine solar zenith angle [0-1]
! outputs
real (kind=kind_phys) , intent(out) :: thair !potential temperature (k)
real (kind=kind_phys) , intent(out) :: qair !specific humidity (kg/kg) (q2/(1+q2))
real (kind=kind_phys) , intent(out) :: eair !vapor pressure air (pa)
real (kind=kind_phys) , intent(out) :: rhoair !density air (kg/m3)
real (kind=kind_phys) , intent(out) :: qprecc !convective precipitation (mm/s)
real (kind=kind_phys) , intent(out) :: qprecl !large-scale precipitation (mm/s)
real (kind=kind_phys), dimension( 1: 2), intent(out) :: solad !incoming direct solar radiation (w/m2)
real (kind=kind_phys), dimension( 1: 2), intent(out) :: solai !incoming diffuse solar radiation (w/m2)
real (kind=kind_phys) , intent(out) :: swdown !downward solar filtered by sun angle [w/m2]
real (kind=kind_phys) , intent(out) :: bdfall !!bulk density of snowfall (kg/m3) ajn
real (kind=kind_phys) , intent(out) :: rain !rainfall (mm/s) ajn
real (kind=kind_phys) , intent(out) :: snow !liquid equivalent snowfall (mm/s) ajn
real (kind=kind_phys) , intent(out) :: fp !fraction of area receiving precipitation ajn
real (kind=kind_phys) , intent(out) :: fpice !fraction of ice ajn
real (kind=kind_phys) , intent(out) :: prcp !total precipitation [mm/s] ! mb/an : v3.7
!locals
real (kind=kind_phys) :: pair !atm bottom level pressure (pa)
real (kind=kind_phys) :: prcp_frozen !total frozen precipitation [mm/s] ! mb/an : v3.7
real (kind=kind_phys), parameter :: rho_grpl = 500.0 ! graupel bulk density [kg/m3] ! mb/an : v3.7
real (kind=kind_phys), parameter :: rho_hail = 917.0 ! hail bulk density [kg/m3] ! mb/an : v3.7
! --------------------------------------------------------------------------------------------------
!jref: seems like pair should be p1000mb??
pair = sfcprs ! atm bottom level pressure (pa)
thair = sfctmp * (sfcprs/pair)**(rair/cpair)
qair = q2 ! in wrf, driver converts to specific humidity