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module_sf_noahmplsm.F
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! Program Name:
! Author(s)/Contact(s):
! Abstract:
! History Log:
!
! Usage:
! Parameters: <Specify typical arguments passed>
! Input Files:
! <list file names and briefly describe the data they include>
! Output Files:
! <list file names and briefly describe the information they include>
!
! Condition codes:
! <list exit condition or error codes returned >
! If appropriate, descriptive troubleshooting instructions or
! likely causes for failures could be mentioned here with the
! appropriate error code
!
! User controllable options: <if applicable>
MODULE MODULE_SF_NOAHMPLSM
use module_sf_gecros, only : gecros
IMPLICIT NONE
public :: noahmp_options
public :: NOAHMP_SFLX
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)
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)
! 6 -> Variable Infiltration Capacity Model surface runoff scheme (Wood et al., 1992, JGR)
! 7 -> Xinanjiang Infiltration and surface runoff scheme ((Jayawardena and Zhou, 2000)
! 8 -> Dynamic VIC surface runoff scheme (Liang and Xie, 2001)
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
! 5 -> Use wetbulb temperature (Wang et al., 2019 GRL) C.He, 12/18/2020
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
! 2 -> Gecros (Genotype-by-Environment interaction on CROp growth Simulator) Yin and van Laar, 2005
INTEGER :: OPT_IRR ! options for irrigation
! **0 -> No irrigation
! 1 -> Irrigation ON
! 2 -> irrigation trigger based on crop season Planting and harvesting dates
! *3 -> irrigation trigger based on LAI threshold
INTEGER :: OPT_IRRM ! options for irrigation method
! **0 -> method based on geo_em fractions
! 1 -> sprinkler method
! 2 -> micro/drip irrigation
! 3 -> surface flooding
INTEGER :: OPT_INFDV! options for infiltration in dynamic VIC runoff scheme
! **1 -> Philip scheme
! 2 -> Green-Ampt scheme
! 3 -> Smith-Parlange scheme
INTEGER :: OPT_TDRN ! options for crop model (currently only tested & calibrated to work with opt_run=3)
! **0 -> No tile drainage
! 1 -> on (simple scheme)
! 2 -> on (Hooghoudt's scheme)
!------------------------------------------------------------------------------------------!
! Physical Constants: !
!------------------------------------------------------------------------------------------!
REAL, PARAMETER :: GRAV = 9.80616 !acceleration due to gravity (m/s2)
REAL, PARAMETER :: SB = 5.67E-08 !Stefan-Boltzmann constant (w/m2/k4)
REAL, PARAMETER :: VKC = 0.40 !von Karman constant
REAL, PARAMETER :: TFRZ = 273.16 !freezing/melting point (k)
REAL, PARAMETER :: HSUB = 2.8440E06 !latent heat of sublimation (j/kg)
REAL, PARAMETER :: HVAP = 2.5104E06 !latent heat of vaporization (j/kg)
REAL, PARAMETER :: HFUS = 0.3336E06 !latent heat of fusion (j/kg)
REAL, PARAMETER :: CWAT = 4.188E06 !specific heat capacity of water (j/m3/k)
REAL, PARAMETER :: CICE = 2.094E06 !specific heat capacity of ice (j/m3/k)
REAL, PARAMETER :: CPAIR = 1004.64 !heat capacity dry air at const pres (j/kg/k)
REAL, PARAMETER :: TKWAT = 0.6 !thermal conductivity of water (w/m/k)
REAL, PARAMETER :: TKICE = 2.2 !thermal conductivity of ice (w/m/k)
REAL, PARAMETER :: TKAIR = 0.023 !thermal conductivity of air (w/m/k) (not used MB: 20140718)
REAL, PARAMETER :: RAIR = 287.04 !gas constant for dry air (j/kg/k)
REAL, PARAMETER :: RW = 461.269 !gas constant for water vapor (j/kg/k)
REAL, PARAMETER :: DENH2O = 1000.0 !density of water (kg/m3)
REAL, PARAMETER :: DENICE = 917.0 !density of ice (kg/m3)
INTEGER, PRIVATE, PARAMETER :: MBAND = 2
INTEGER, PRIVATE, PARAMETER :: NSOIL = 4
INTEGER, PRIVATE, PARAMETER :: NSTAGE = 8
! add control for a different soil timestep capability
logical :: calculate_soil
integer :: soil_update_steps
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 :: CH2OP !maximum intercepted h2o per unit lai+sai (mm)
REAL :: DLEAF !characteristic leaf dimension (m)
REAL :: Z0MVT !momentum roughness length (m)
REAL :: HVT !top of canopy (m)
REAL :: HVB !bottom of canopy (m)
REAL :: DEN !tree density (no. of trunks per m2)
REAL :: RC !tree crown radius (m)
REAL :: MFSNO !snowmelt m parameter ()
REAL :: SCFFAC !snow cover factor (m) (originally hard-coded 2.5*z0 in SCF formulation)
REAL :: CBIOM !canopy biomass heat capacity parameter (m)
REAL :: SAIM(12) !monthly stem area index, one-sided
REAL :: LAIM(12) !monthly leaf area index, one-sided
REAL :: SLA !single-side leaf area per Kg [m2/kg]
REAL :: DILEFC !coeficient for leaf stress death [1/s]
REAL :: DILEFW !coeficient for leaf stress death [1/s]
REAL :: FRAGR !fraction of growth respiration !original was 0.3
REAL :: LTOVRC !leaf turnover [1/s]
REAL :: C3PSN !photosynthetic pathway: 0. = c4, 1. = c3
REAL :: KC25 !co2 michaelis-menten constant at 25c (pa)
REAL :: AKC !q10 for kc25
REAL :: KO25 !o2 michaelis-menten constant at 25c (pa)
REAL :: AKO !q10 for ko25
REAL :: VCMX25 !maximum rate of carboxylation at 25c (umol co2/m**2/s)
REAL :: AVCMX !q10 for vcmx25
REAL :: BP !minimum leaf conductance (umol/m**2/s)
REAL :: MP !slope of conductance-to-photosynthesis relationship
REAL :: QE25 !quantum efficiency at 25c (umol co2 / umol photon)
REAL :: AQE !q10 for qe25
REAL :: RMF25 !leaf maintenance respiration at 25c (umol co2/m**2/s)
REAL :: RMS25 !stem maintenance respiration at 25c (umol co2/kg bio/s)
REAL :: RMR25 !root maintenance respiration at 25c (umol co2/kg bio/s)
REAL :: ARM !q10 for maintenance respiration
REAL :: FOLNMX !foliage nitrogen concentration when f(n)=1 (%)
REAL :: TMIN !minimum temperature for photosynthesis (k)
REAL :: XL !leaf/stem orientation index
REAL :: RHOL(MBAND) !leaf reflectance: 1=vis, 2=nir
REAL :: RHOS(MBAND) !stem reflectance: 1=vis, 2=nir
REAL :: TAUL(MBAND) !leaf transmittance: 1=vis, 2=nir
REAL :: TAUS(MBAND) !stem transmittance: 1=vis, 2=nir
REAL :: MRP !microbial respiration parameter (umol co2 /kg c/ s)
REAL :: CWPVT !empirical canopy wind parameter
REAL :: WRRAT !wood to non-wood ratio
REAL :: WDPOOL !wood pool (switch 1 or 0) depending on woody or not [-]
REAL :: TDLEF !characteristic T for leaf freezing [K]
INTEGER :: NROOT !number of soil layers with root present
REAL :: RGL !Parameter used in radiation stress function
REAL :: RSMIN !Minimum stomatal resistance [s m-1]
REAL :: HS !Parameter used in vapor pressure deficit function
REAL :: TOPT !Optimum transpiration air temperature [K]
REAL :: RSMAX !Maximal stomatal resistance [s m-1]
REAL :: SLAREA
REAL :: EPS(5)
!------------------------------------------------------------------------------------------!
! From the rad section of MPTABLE.TBL
!------------------------------------------------------------------------------------------!
REAL :: ALBSAT(MBAND) !saturated soil albedos: 1=vis, 2=nir
REAL :: ALBDRY(MBAND) !dry soil albedos: 1=vis, 2=nir
REAL :: ALBICE(MBAND) !albedo land ice: 1=vis, 2=nir
REAL :: ALBLAK(MBAND) !albedo frozen lakes: 1=vis, 2=nir
REAL :: OMEGAS(MBAND) !two-stream parameter omega for snow
REAL :: BETADS !two-stream parameter betad for snow
REAL :: BETAIS !two-stream parameter betad for snow
REAL :: EG(2) !emissivity
!------------------------------------------------------------------------------------------!
! From the globals section of MPTABLE.TBL
!------------------------------------------------------------------------------------------!
REAL :: CO2 !co2 partial pressure
REAL :: O2 !o2 partial pressure
REAL :: TIMEAN !gridcell mean topgraphic index (global mean)
REAL :: FSATMX !maximum surface saturated fraction (global mean)
REAL :: Z0SNO !snow surface roughness length (m) (0.002)
REAL :: SSI !liquid water holding capacity for snowpack (m3/m3)
REAL :: SNOW_RET_FAC !snowpack water release timescale factor (1/s)
REAL :: SNOW_EMIS !snow emissivity
REAL :: SWEMX !new snow mass to fully cover old snow (mm)
REAL :: TAU0 !tau0 from Yang97 eqn. 10a
REAL :: GRAIN_GROWTH !growth from vapor diffusion Yang97 eqn. 10b
REAL :: EXTRA_GROWTH !extra growth near freezing Yang97 eqn. 10c
REAL :: DIRT_SOOT !dirt and soot term Yang97 eqn. 10d
REAL :: BATS_COSZ !zenith angle snow albedo adjustment; b in Yang97 eqn. 15
REAL :: BATS_VIS_NEW !new snow visible albedo
REAL :: BATS_NIR_NEW !new snow NIR albedo
REAL :: BATS_VIS_AGE !age factor for diffuse visible snow albedo Yang97 eqn. 17
REAL :: BATS_NIR_AGE !age factor for diffuse NIR snow albedo Yang97 eqn. 18
REAL :: BATS_VIS_DIR !cosz factor for direct visible snow albedo Yang97 eqn. 15
REAL :: BATS_NIR_DIR !cosz factor for direct NIR snow albedo Yang97 eqn. 16
REAL :: RSURF_SNOW !surface resistance for snow(s/m)
REAL :: RSURF_EXP !exponent in the shape parameter for soil resistance option 1
!------------------------------------------------------------------------------------------!
! From the irrigation section of MPTABLE.TBL
!------------------------------------------------------------------------------------------!
REAL :: IRR_FRAC ! irrigation Fraction
INTEGER :: IRR_HAR ! number of days before harvest date to stop irrigation
REAL :: IRR_LAI ! Minimum lai to trigger irrigation
REAL :: IRR_MAD ! management allowable deficit (0-1)
REAL :: FILOSS ! fraction of flood irrigation loss (0-1)
REAL :: SPRIR_RATE ! mm/h, sprinkler irrigation rate
REAL :: MICIR_RATE ! mm/h, micro irrigation rate
REAL :: FIRTFAC ! flood application rate factor
REAL :: IR_RAIN ! maximum precipitation to stop irrigation trigger
!------------------------------------------------------------------------------------------!
! From the crop section of MPTABLE.TBL
!------------------------------------------------------------------------------------------!
INTEGER :: PLTDAY ! Planting date
INTEGER :: HSDAY ! Harvest date
REAL :: PLANTPOP ! Plant density [per ha] - used?
REAL :: IRRI ! Irrigation strategy 0= non-irrigation 1=irrigation (no water-stress)
REAL :: GDDTBASE ! Base temperature for GDD accumulation [C]
REAL :: GDDTCUT ! Upper temperature for GDD accumulation [C]
REAL :: GDDS1 ! GDD from seeding to emergence
REAL :: GDDS2 ! GDD from seeding to initial vegetative
REAL :: GDDS3 ! GDD from seeding to post vegetative
REAL :: GDDS4 ! GDD from seeding to intial reproductive
REAL :: GDDS5 ! GDD from seeding to pysical maturity
INTEGER :: C3C4 ! photosynthetic pathway: 1 = c3 2 = c4
REAL :: AREF ! reference maximum CO2 assimulation rate
REAL :: PSNRF ! CO2 assimulation reduction factor(0-1) (caused by non-modeling part,e.g.pest,weeds)
REAL :: I2PAR ! Fraction of incoming solar radiation to photosynthetically active radiation
REAL :: TASSIM0 ! Minimum temperature for CO2 assimulation [C]
REAL :: TASSIM1 ! CO2 assimulation linearly increasing until temperature reaches T1 [C]
REAL :: TASSIM2 ! CO2 assmilation rate remain at Aref until temperature reaches T2 [C]
REAL :: K ! light extinction coefficient
REAL :: EPSI ! initial light use efficiency
REAL :: Q10MR ! q10 for maintainance respiration
REAL :: FOLN_MX ! foliage nitrogen concentration when f(n)=1 (%)
REAL :: LEFREEZ ! characteristic T for leaf freezing [K]
REAL :: DILE_FC(NSTAGE) ! coeficient for temperature leaf stress death [1/s]
REAL :: DILE_FW(NSTAGE) ! coeficient for water leaf stress death [1/s]
REAL :: FRA_GR ! fraction of growth respiration
REAL :: LF_OVRC(NSTAGE) ! fraction of leaf turnover [1/s]
REAL :: ST_OVRC(NSTAGE) ! fraction of stem turnover [1/s]
REAL :: RT_OVRC(NSTAGE) ! fraction of root tunrover [1/s]
REAL :: LFMR25 ! leaf maintenance respiration at 25C [umol CO2/m**2 /s]
REAL :: STMR25 ! stem maintenance respiration at 25C [umol CO2/kg bio/s]
REAL :: RTMR25 ! root maintenance respiration at 25C [umol CO2/kg bio/s]
REAL :: GRAINMR25 ! grain maintenance respiration at 25C [umol CO2/kg bio/s]
REAL :: LFPT(NSTAGE) ! fraction of carbohydrate flux to leaf
REAL :: STPT(NSTAGE) ! fraction of carbohydrate flux to stem
REAL :: RTPT(NSTAGE) ! fraction of carbohydrate flux to root
REAL :: LFCT(NSTAGE) ! fraction of carbohydrate flux transallocate from leaf to grain ! Zhe Zhang 2020-07-13
REAL :: STCT(NSTAGE) ! fraction of carbohydrate flux transallocate from stem to grain
REAL :: RTCT(NSTAGE) ! fraction of carbohydrate flux transallocate from root to grain
REAL :: GRAINPT(NSTAGE) ! fraction of carbohydrate flux to grain
REAL :: BIO2LAI ! leaf are per living leaf biomass [m^2/kg]
!------------------------------------------------------------------------------------------!
! From the SOILPARM.TBL tables, as functions of soil category.
!------------------------------------------------------------------------------------------!
REAL :: BEXP(NSOIL) !B parameter
REAL :: SMCDRY(NSOIL) !dry soil moisture threshold where direct evap from top
!layer ends (volumetric) (not used MB: 20140718)
REAL :: SMCWLT(NSOIL) !wilting point soil moisture (volumetric)
REAL :: SMCREF(NSOIL) !reference soil moisture (field capacity) (volumetric)
REAL :: SMCMAX(NSOIL) !porosity, saturated value of soil moisture (volumetric)
REAL :: PSISAT(NSOIL) !saturated soil matric potential
REAL :: DKSAT(NSOIL) !saturated soil hydraulic conductivity
REAL :: DWSAT(NSOIL) !saturated soil hydraulic diffusivity
REAL :: QUARTZ(NSOIL) !soil quartz content
REAL :: F1 !soil thermal diffusivity/conductivity coef (not used MB: 20140718)
REAL :: BVIC !VIC model infiltration parameter for opt_run=6
REAL :: AXAJ !Xinanjiang: Tension water distribution inflection parameter [-] for opt_run=7
REAL :: BXAJ !Xinanjiang: Tension water distribution shape parameter [-] for opt_run=7
REAL :: XXAJ !Xinanjiang: Free water distribution shape parameter [-] for opt_run=7
REAL :: BDVIC !DVIC model infiltration parameter [-] for opt_run=8
REAL :: GDVIC !Mean Capillary Drive (m) for infiltration models for opt_run=8
REAL :: BBVIC !DVIC heterogeniety parameter for infiltration for opt_run=8
!------------------------------------------------------------------------------------------!
! From the GENPARM.TBL file
!------------------------------------------------------------------------------------------!
REAL :: SLOPE !slope index (0 - 1)
REAL :: CSOIL !vol. soil heat capacity [j/m3/K]
REAL :: ZBOT !Depth (m) of lower boundary soil temperature
REAL :: CZIL !Calculate roughness length of heat
REAL :: REFDK
REAL :: REFKDT
REAL :: KDT !used in compute maximum infiltration rate (in INFIL)
REAL :: FRZX !used in compute maximum infiltration rate (in INFIL)
!------------------------------------------------------------------------------------------!
! From the tiledrain section of the MPTABLE.TBL file
!------------------------------------------------------------------------------------------!
REAL :: TDSMC_FAC
REAL :: TD_DC
INTEGER :: TD_DEPTH
INTEGER :: DRAIN_LAYER_OPT
REAL :: TD_DCOEF ! m d^-1, drainage coefficent
REAL :: TD_D ! m, depth to impervious layer from drain water level (D)
REAL :: TD_ADEPTH ! m, actual depth of impervious layer from land surface
REAL :: TD_RADI ! m, effective radius of drains (ro)
REAL :: TD_SPAC ! m, distance between two drain tubes or tiles (L)
REAL :: TD_DDRAIN ! m, Depth of drain
REAL :: KLAT_FAC ! multiplication factor to determine conk(j1,j) from sol_k(j1,j) for HRU
END TYPE noahmp_parameters
contains
!
!== begin noahmp_sflx ==============================================================================
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 , & ! IN : Forcing
QC , SOLDN , LWDN , & ! IN : Forcing
PRCPCONV, PRCPNONC, PRCPSHCV, PRCPSNOW, PRCPGRPL, PRCPHAIL, & ! IN : Forcing
TBOT , CO2AIR , O2AIR , FOLN , FICEOLD , ZLVL , & ! IN : Forcing
IRRFRA , SIFRA , MIFRA , FIFRA , LLANDUSE, & ! IN : Irrigation: fractions
ALBOLD , SNEQVO , & ! IN/OUT :
STC , SH2O , SMC , TAH , EAH , FWET , & ! IN/OUT :
CANLIQ , CANICE , TV , TG , QSFC , QSNOW , & ! IN/OUT :
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 , & ! IN/OUT :
GECROS1D, & ! IN/OUT :
QTLDRN , TDFRACMP, & ! IN/OUT :
Z0WRF , & ! OUT :
IRCNTSI , IRCNTMI , IRCNTFI , IRAMTSI , IRAMTMI , IRAMTFI , & ! IN/OUT : Irrigation: vars
IRSIRATE, IRMIRATE, IRFIRATE, FIRR , EIRR , & ! IN/OUT : Irrigation: vars
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 :
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 , & ! OUT :
PAHG , PAHB , PAH , LAISUN , LAISHA , RB , & ! OUT
QINTS , QINTR , QDRIPS , QDRIPR , QTHROS , QTHROR , & ! OUT :
QSNSUB , QSNFRO , QSUBC , QFROC , QFRZC , QMELTC , & ! OUT :
QEVAC , QDEWC , QMELT , & ! OUT
RAIN , SNOW , ACC_SSOIL, ACC_QINSUR, ACC_QSEVA , & ! OUT
ACC_ETRANI, HCPCT , EFLXB , CANHS , & ! OUT :
ACC_DWATER, ACC_PRCP, ACC_ECAN, ACC_ETRAN, ACC_EDIR & ! INOUT
#ifdef WRF_HYDRO
,SFCHEADRT, WATBLED & ! IN/OUT :
#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 , INTENT(IN) :: DT !time step [sec]
REAL, DIMENSION( 1:NSOIL), INTENT(IN) :: ZSOIL !layer-bottom depth from soil surf (m)
REAL , INTENT(IN) :: Q2 !mixing ratio (kg/kg) lowest model layer
REAL , INTENT(IN) :: SFCTMP !surface air temperature [K]
REAL , INTENT(IN) :: UU !wind speed in eastward dir (m/s)
REAL , INTENT(IN) :: VV !wind speed in northward dir (m/s)
REAL , INTENT(IN) :: SOLDN !downward shortwave radiation (w/m2)
REAL , INTENT(IN) :: LWDN !downward longwave radiation (w/m2)
REAL , INTENT(IN) :: SFCPRS !pressure (pa)
REAL , INTENT(INOUT) :: ZLVL !reference height (m)
REAL , INTENT(IN) :: COSZ !cosine solar zenith angle [0-1]
REAL , INTENT(IN) :: TBOT !bottom condition for soil temp. [K]
REAL , INTENT(IN) :: FOLN !foliage nitrogen (%) [1-saturated]
REAL , INTENT(IN) :: SHDFAC !green vegetation fraction [0.0-1.0]
INTEGER , INTENT(IN) :: YEARLEN!Number of days in the particular year.
REAL , INTENT(IN) :: JULIAN !Julian day of year (floating point)
REAL , INTENT(IN) :: LAT !latitude (radians)
REAL, DIMENSION(-NSNOW+1: 0), INTENT(IN) :: FICEOLD!ice fraction at last timestep
REAL, DIMENSION( 1:NSOIL), INTENT(IN) :: SMCEQ !equilibrium soil water content [m3/m3]
REAL , INTENT(IN) :: PRCPCONV ! convective precipitation entering [mm/s] ! MB/AN : v3.7
REAL , INTENT(IN) :: PRCPNONC ! non-convective precipitation entering [mm/s] ! MB/AN : v3.7
REAL , INTENT(IN) :: PRCPSHCV ! shallow convective precip entering [mm/s] ! MB/AN : v3.7
REAL , INTENT(IN) :: PRCPSNOW ! snow entering land model [mm/s] ! MB/AN : v3.7
REAL , INTENT(IN) :: PRCPGRPL ! graupel entering land model [mm/s] ! MB/AN : v3.7
REAL , INTENT(IN) :: PRCPHAIL ! hail entering land model [mm/s] ! MB/AN : v3.7
!jref:start; in
REAL , INTENT(IN) :: QC !cloud water mixing ratio
REAL , INTENT(INOUT) :: QSFC !mixing ratio at lowest model layer
REAL , INTENT(IN) :: PSFC !pressure at lowest model layer
REAL , INTENT(IN) :: DZ8W !thickness of lowest layer
REAL , INTENT(IN) :: DX
REAL , INTENT(IN) :: SHDMAX !yearly max vegetation fraction
!jref:end
#ifdef WRF_HYDRO
REAL , INTENT(INOUT) :: sfcheadrt, WATBLED
#endif
! input/output : need arbitary intial values
REAL , INTENT(INOUT) :: QSNOW !snowfall [mm/s]
REAL , INTENT(INOUT) :: QRAIN !rain at ground surface (mm/s)
REAL , INTENT(INOUT) :: FWET !wetted or snowed fraction of canopy (-)
REAL , INTENT(INOUT) :: SNEQVO !snow mass at last time step (mm)
REAL , INTENT(INOUT) :: EAH !canopy air vapor pressure (pa)
REAL , INTENT(INOUT) :: TAH !canopy air tmeperature (k)
REAL , INTENT(INOUT) :: ALBOLD !snow albedo at last time step (CLASS type)
REAL , INTENT(INOUT) :: CM !momentum drag coefficient
REAL , INTENT(INOUT) :: CH !sensible heat exchange coefficient
REAL , INTENT(INOUT) :: TAUSS !non-dimensional snow age
! prognostic variables
INTEGER , INTENT(INOUT) :: ISNOW !actual no. of snow layers [-]
REAL , INTENT(INOUT) :: CANLIQ !intercepted liquid water (mm)
REAL , INTENT(INOUT) :: CANICE !intercepted ice mass (mm)
REAL , INTENT(INOUT) :: SNEQV !snow water eqv. [mm]
REAL, DIMENSION( 1:NSOIL), INTENT(INOUT) :: SMC !soil moisture (ice + liq.) [m3/m3]
REAL, DIMENSION(-NSNOW+1:NSOIL), INTENT(INOUT) :: ZSNSO !layer-bottom depth from snow surf [m]
REAL , INTENT(INOUT) :: SNOWH !snow height [m]
REAL, DIMENSION(-NSNOW+1: 0), INTENT(INOUT) :: SNICE !snow layer ice [mm]
REAL, DIMENSION(-NSNOW+1: 0), INTENT(INOUT) :: SNLIQ !snow layer liquid water [mm]
REAL , INTENT(INOUT) :: TV !vegetation temperature (k)
REAL , INTENT(INOUT) :: TG !ground temperature (k)
REAL, DIMENSION(-NSNOW+1:NSOIL), INTENT(INOUT) :: STC !snow/soil temperature [k]
REAL, DIMENSION( 1:NSOIL), INTENT(INOUT) :: SH2O !liquid soil moisture [m3/m3]
REAL , INTENT(INOUT) :: ZWT !depth to water table [m]
REAL , INTENT(INOUT) :: WA !water storage in aquifer [mm]
REAL , INTENT(INOUT) :: WT !water in aquifer&saturated soil [mm]
REAL , INTENT(INOUT) :: WSLAKE !lake water storage (can be neg.) (mm)
REAL, INTENT(INOUT) :: SMCWTD !soil water content between bottom of the soil and water table [m3/m3]
REAL, INTENT(INOUT) :: DEEPRECH !recharge to or from the water table when deep [m]
REAL, INTENT(INOUT) :: RECH !recharge to or from the water table when shallow [m] (diagnostic)
REAL , INTENT(INOUT) :: ACC_SSOIL !ground heat flux (w/m2) [+ to soil]
REAL , INTENT(INOUT) :: ACC_QINSUR !water input on soil surface [m/s * soil_dt/main_dt]
REAL , INTENT(INOUT) :: ACC_QSEVA !soil surface evap rate [m/s * soil_dt/main_dt]
REAL, DIMENSION( 1:NSOIL), INTENT(INOUT) :: ACC_ETRANI !transpiration rate (m/s * soil_dt/main_dt) [+]
REAL, DIMENSION(-NSNOW+1:NSOIL), INTENT( OUT) :: HCPCT !heat capacity [j/m3/k]
REAL , INTENT( OUT) :: EFLXB !energy influx from soil bottom (w/m2)
REAL , INTENT(INOUT) :: ACC_DWATER !accumulated water change for canopy, snow, soil mm/timestep(soil)
REAL , INTENT(INOUT) :: ACC_PRCP !accumulated precip mm/timestep(soil)
REAL , INTENT(INOUT) :: ACC_ECAN !accumulated net canopy evapo mm/timestep(soil)
REAL , INTENT(INOUT) :: ACC_ETRAN !accumulated transpiration mm/timestep(soil)
REAL , INTENT(INOUT) :: ACC_EDIR !accumulated net soil/snow evapo mm/timestep(soil)
REAL, DIMENSION(1:60) , INTENT(INOUT) :: gecros1d !gecros crop
! output
REAL , INTENT(OUT) :: Z0WRF !combined z0 sent to coupled model
REAL , INTENT(OUT) :: FSA !total absorbed solar radiation (w/m2)
REAL , INTENT(OUT) :: FSR !total reflected solar radiation (w/m2)
REAL , INTENT(OUT) :: FIRA !total net LW rad (w/m2) [+ to atm]
REAL , INTENT(OUT) :: FSH !total sensible heat (w/m2) [+ to atm]
REAL , INTENT(OUT) :: FCEV !canopy evap heat (w/m2) [+ to atm]
REAL , INTENT(OUT) :: FGEV !ground evap heat (w/m2) [+ to atm]
REAL , INTENT(OUT) :: FCTR !transpiration heat (w/m2) [+ to atm]
REAL , INTENT(OUT) :: SSOIL !ground heat flux (w/m2) [+ to soil]
REAL , INTENT(OUT) :: TRAD !surface radiative temperature (k)
REAL :: TS !surface temperature (k)
REAL , INTENT(OUT) :: ECAN !evaporation of intercepted water (mm/s)
REAL , INTENT(OUT) :: ETRAN !transpiration rate (mm/s)
REAL , INTENT(OUT) :: EDIR !soil surface evaporation rate (mm/s]
REAL , INTENT(OUT) :: RUNSRF !surface runoff [mm] per soil timestep
REAL , INTENT(OUT) :: RUNSUB !baseflow (saturation excess) [mm] per soil timestep
REAL , INTENT(OUT) :: PSN !total photosynthesis (umol co2/m2/s) [+]
REAL , INTENT(OUT) :: APAR !photosyn active energy by canopy (w/m2)
REAL , INTENT(OUT) :: SAV !solar rad absorbed by veg. (w/m2)
REAL , INTENT(OUT) :: SAG !solar rad absorbed by ground (w/m2)
REAL , INTENT(OUT) :: FSNO !snow cover fraction on the ground (-)
REAL , INTENT(OUT) :: FVEG !green vegetation fraction [0.0-1.0]
REAL , INTENT(OUT) :: ALBEDO !surface albedo [-]
REAL :: ERRWAT !water error [kg m{-2}]
REAL , INTENT(OUT) :: QSNBOT !total liquid water (snowmelt + rain through pack)out of snowpack bottom [mm/s]
REAL , INTENT(OUT) :: PONDING!surface ponding [mm]
REAL , INTENT(OUT) :: PONDING1!surface ponding [mm]
REAL , INTENT(OUT) :: PONDING2!surface ponding [mm]
REAL , INTENT(OUT) :: RB ! leaf boundary layer resistance (s/m)
REAL , INTENT(OUT) :: LAISUN ! sunlit leaf area index (m2/m2)
REAL , INTENT(OUT) :: LAISHA ! shaded leaf area index (m2/m2)
!jref:start; output
REAL , INTENT(OUT) :: T2MV !2-m air temperature over vegetated part [k]
REAL , INTENT(OUT) :: T2MB !2-m air temperature over bare ground part [k]
REAL, INTENT(OUT) :: RSSUN !sunlit leaf stomatal resistance (s/m)
REAL, INTENT(OUT) :: RSSHA !shaded leaf stomatal resistance (s/m)
REAL, INTENT(OUT) :: BGAP
REAL, INTENT(OUT) :: WGAP
REAL, DIMENSION(1:2) , INTENT(OUT) :: ALBSND !snow albedo (direct)
REAL, DIMENSION(1:2) , INTENT(OUT) :: ALBSNI !snow albedo (diffuse)
REAL, INTENT(OUT) :: TGV
REAL, INTENT(OUT) :: TGB
REAL :: Q1
REAL, INTENT(OUT) :: EMISSI
!jref:end
! local
INTEGER :: IZ !do-loop index
INTEGER, DIMENSION(-NSNOW+1:NSOIL) :: IMELT !phase change index [1-melt; 2-freeze]
REAL :: CMC !intercepted water (CANICE+CANLIQ) (mm)
REAL :: TAUX !wind stress: e-w (n/m2)
REAL :: TAUY !wind stress: n-s (n/m2)
REAL :: RHOAIR !density air (kg/m3)
! REAL, DIMENSION( 1: 5) :: VOCFLX !voc fluxes [ug C m-2 h-1]
REAL, DIMENSION(-NSNOW+1:NSOIL) :: DZSNSO !snow/soil layer thickness [m]
REAL :: THAIR !potential temperature (k)
REAL :: QAIR !specific humidity (kg/kg) (q2/(1+q2))
REAL :: EAIR !vapor pressure air (pa)
REAL, DIMENSION( 1: 2) :: SOLAD !incoming direct solar rad (w/m2)
REAL, DIMENSION( 1: 2) :: SOLAI !incoming diffuse solar rad (w/m2)
REAL :: QPRECC !convective precipitation (mm/s)
REAL :: QPRECL !large-scale precipitation (mm/s)
REAL :: IGS !growing season index (0=off, 1=on)
REAL :: ELAI !leaf area index, after burying by snow
REAL :: ESAI !stem area index, after burying by snow
REAL :: BEVAP !soil water evaporation factor (0 - 1)
REAL, DIMENSION( 1:NSOIL) :: BTRANI !Soil water transpiration factor (0 - 1)
REAL :: BTRAN !soil water transpiration factor (0 - 1)
REAL :: QIN !groundwater recharge [mm/s]
REAL :: QDIS !groundwater discharge [mm/s]
REAL, DIMENSION( 1:NSOIL) :: SICE !soil ice content (m3/m3)
REAL, DIMENSION(-NSNOW+1: 0) :: SNICEV !partial volume ice of snow [m3/m3]
REAL, DIMENSION(-NSNOW+1: 0) :: SNLIQV !partial volume liq of snow [m3/m3]
REAL, DIMENSION(-NSNOW+1: 0) :: EPORE !effective porosity [m3/m3]
REAL :: TOTSC !total soil carbon (g/m2)
REAL :: TOTLB !total living carbon (g/m2)
REAL :: T2M !2-meter air temperature (k)
REAL :: QDEW !ground surface dew rate [mm/s]
REAL :: QVAP !ground surface evap. rate [mm/s]
REAL :: LATHEA !latent heat [j/kg]
REAL :: SWDOWN !downward solar [w/m2]
REAL,INTENT(OUT) :: QMELT !snowmelt due to phase change [mm/s]
REAL :: BEG_WB !water storage at begin of a step [mm]
REAL,INTENT(OUT) :: IRC !canopy net LW rad. [w/m2] [+ to atm]
REAL,INTENT(OUT) :: IRG !ground net LW rad. [w/m2] [+ to atm]
REAL,INTENT(OUT) :: SHC !canopy sen. heat [w/m2] [+ to atm]
REAL,INTENT(OUT) :: SHG !ground sen. heat [w/m2] [+ to atm]
REAL,INTENT(OUT) :: EVG !ground evap. heat [w/m2] [+ to atm]
REAL,INTENT(OUT) :: GHV !ground heat flux [w/m2] [+ to soil]
REAL,INTENT(OUT) :: IRB !net longwave rad. [w/m2] [+ to atm]
REAL,INTENT(OUT) :: SHB !sensible heat [w/m2] [+ to atm]
REAL,INTENT(OUT) :: EVB !evaporation heat [w/m2] [+ to atm]
REAL,INTENT(OUT) :: GHB !ground heat flux [w/m2] [+ to soil]
REAL,INTENT(OUT) :: EVC !canopy evap. heat [w/m2] [+ to atm]
REAL,INTENT(OUT) :: TR !transpiration heat [w/m2] [+ to atm]
REAL, INTENT(OUT) :: FPICE !snow fraction in precipitation
REAL, INTENT(OUT) :: PAHV !precipitation advected heat - vegetation net (W/m2)
REAL, INTENT(OUT) :: PAHG !precipitation advected heat - under canopy net (W/m2)
REAL, INTENT(OUT) :: PAHB !precipitation advected heat - bare ground net (W/m2)
REAL, INTENT(OUT) :: PAH !precipitation advected heat - total (W/m2)
REAL, INTENT(OUT) :: QSNSUB
REAL, INTENT(OUT) :: QSNFRO
REAL, INTENT(OUT) :: QSUBC
REAL, INTENT(OUT) :: QFROC
REAL, INTENT(OUT) :: QFRZC
REAL, INTENT(OUT) :: QMELTC
REAL, INTENT(OUT) :: QEVAC
REAL, INTENT(OUT) :: QDEWC
!jref:start
REAL :: FSRV
REAL :: FSRG
REAL,INTENT(OUT) :: Q2V
REAL,INTENT(OUT) :: Q2B
REAL :: Q2E
REAL :: QFX
REAL,INTENT(OUT) :: CHV !sensible heat exchange coefficient over vegetated fraction
REAL,INTENT(OUT) :: CHB !sensible heat exchange coefficient over bare-ground
REAL,INTENT(OUT) :: CHLEAF !leaf exchange coefficient
REAL,INTENT(OUT) :: CHUC !under canopy exchange coefficient
REAL,INTENT(OUT) :: CHV2 !sensible heat exchange coefficient over vegetated fraction
REAL,INTENT(OUT) :: CHB2 !sensible heat exchange coefficient over bare-ground
!jref:end
! carbon
! inputs
REAL , INTENT(IN) :: CO2AIR !atmospheric co2 concentration (pa)
REAL , INTENT(IN) :: O2AIR !atmospheric o2 concentration (pa)
! inputs and outputs : prognostic variables
REAL , INTENT(INOUT) :: LFMASS !leaf mass [g/m2]
REAL , INTENT(INOUT) :: RTMASS !mass of fine roots [g/m2]
REAL , INTENT(INOUT) :: STMASS !stem mass [g/m2]
REAL , INTENT(INOUT) :: WOOD !mass of wood (incl. woody roots) [g/m2]
REAL , INTENT(INOUT) :: STBLCP !stable carbon in deep soil [g/m2]
REAL , INTENT(INOUT) :: FASTCP !short-lived carbon, shallow soil [g/m2]
REAL , INTENT(INOUT) :: LAI !leaf area index [-]
REAL , INTENT(INOUT) :: SAI !stem area index [-]
REAL , INTENT(INOUT) :: GRAIN !grain mass [g/m2]
REAL , INTENT(INOUT) :: GDD !growing degree days
INTEGER , INTENT(INOUT) :: PGS !plant growing stage [-]
! Tile drainage
REAL , INTENT(INOUT) :: QTLDRN !tile drainage [mm] per soil timestep
REAL , INTENT(IN) :: TDFRACMP !tile drain fraction map
! irrigation variables
REAL , INTENT(IN) :: IRRFRA ! irrigation fraction
REAL , INTENT(IN) :: SIFRA ! sprinkler irrigation fraction
REAL , INTENT(IN) :: MIFRA ! micro irrigation fraction
REAL , INTENT(IN) :: FIFRA ! flood irrigation fraction
INTEGER , INTENT(INOUT) :: IRCNTSI ! irrigation event number, Sprinkler
INTEGER , INTENT(INOUT) :: IRCNTMI ! irrigation event number, Micro
INTEGER , INTENT(INOUT) :: IRCNTFI ! irrigation event number, Flood
REAL , INTENT(INOUT) :: IRAMTSI ! irrigation water amount [m] to be applied, Sprinkler
REAL , INTENT(INOUT) :: IRAMTMI ! irrigation water amount [m] to be applied, Micro
REAL , INTENT(INOUT) :: IRAMTFI ! irrigation water amount [m] to be applied, Flood
REAL , INTENT(INOUT) :: IRSIRATE ! rate of irrigation by sprinkler [m/timestep]
REAL , INTENT(INOUT) :: IRMIRATE ! rate of irrigation by micro [m/timestep]
REAL , INTENT(INOUT) :: IRFIRATE ! rate of irrigation by micro [m/timestep]
REAL , INTENT(INOUT) :: FIRR ! irrigation:latent heating due to sprinkler evaporation [w/m2]
REAL , INTENT(INOUT) :: EIRR ! evaporation of irrigation water to evaporation,sprinkler [mm/s]
CHARACTER(LEN=256) , INTENT(IN) :: LLANDUSE ! landuse data name (USGS or MODIS_IGBP)
REAL :: IREVPLOS ! loss of irrigation water to evaporation,sprinkler [m/timestep]
REAL :: SIFAC ! sprinkler irrigation fraction (local)
REAL :: MIFAC ! micro irrigation fraction (local)
REAL :: FIFAC ! flood irrigation fraction (local)
! outputs
REAL , INTENT(OUT) :: NEE !net ecosys exchange (g/m2/s CO2)
REAL , INTENT(OUT) :: GPP !net instantaneous assimilation [g/m2/s C]
REAL , INTENT(OUT) :: NPP !net primary productivity [g/m2/s C]
REAL :: AUTORS !net ecosystem respiration (g/m2/s C)
REAL :: HETERS !organic respiration (g/m2/s C)
REAL :: TROOT !root-zone averaged temperature (k)
REAL :: BDFALL !bulk density of new snow (kg/m3) ! MB/AN: v3.7
REAL , INTENT(OUT) :: RAIN !rain rate (mm/s) ! MB/AN: v3.7
REAL , INTENT(OUT) :: SNOW !liquid equivalent snow rate (mm/s) ! MB/AN: v3.7
REAL :: FP ! MB/AN: v3.7
REAL :: PRCP ! MB/AN: v3.7
!more local variables for precip heat MB
REAL , INTENT(OUT) :: QINTR !interception rate for rain (mm/s)
REAL , INTENT(OUT) :: QDRIPR !drip rate for rain (mm/s)
REAL , INTENT(OUT) :: QTHROR !throughfall for rain (mm/s)
REAL , INTENT(OUT) :: QINTS !interception (loading) rate for snowfall (mm/s)
REAL , INTENT(OUT) :: QDRIPS !drip (unloading) rate for intercepted snow (mm/s)
REAL , INTENT(OUT) :: QTHROS !throughfall of snowfall (mm/s)
REAL :: SNOWHIN !snow depth increasing rate (m/s)
REAL :: LATHEAV !latent heat vap./sublimation (j/kg)
REAL :: 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
LOGICAL :: CROPLU ! flag to identify croplands
REAL :: SIFCUK ! Sprinkler fraction for unknown irrigation methods
REAL :: FB
! add canopy heat storage (C.He added based on GY Niu's communication)
REAL , INTENT(OUT) :: 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 = 0.0
PAHG = 0.0
PAHB = 0.0
PAH = 0.0
CROPLU = .FALSE.
CANHS = 0.0
! --------------------------------------------------------------------------------------------------
! 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) * 1000.0
END DO
END IF
! vegetation phenology
CALL PHENOLOGY (parameters,VEGTYP ,croptype, SNOWH , TV , LAT , YEARLEN , JULIAN , & !in
LAI , SAI , TROOT , ELAI , ESAI ,IGS, PGS, FB)
!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 -----------"
CALL wrf_error_fatal("Namelist parameter DVEG unknown")
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
! Calling dynamic irrigation scheme-prasanth
IF ( TRIM(LLANDUSE) == "USGS" ) THEN
IF(VEGTYP .GE. 3 .AND. VEGTYP .LE. 6) CROPLU = .TRUE.
ELSE IF ( TRIM(LLANDUSE) == "MODIFIED_IGBP_MODIS_NOAH") THEN
IF(VEGTYP == 12 .OR. VEGTYP == 14) CROPLU = .TRUE.
END IF
SIFAC = SIFRA
MIFAC = MIFRA
FIFAC = FIFRA
! If OPT_IRRM = 0 and if methods are unknown for certain area, then use sprinkler irrigation method
IF((OPT_IRRM .EQ. 0) .AND. (SIFAC .EQ. 0.0) .AND. (MIFAC .EQ. 0.0) .AND. (FIFAC .EQ. 0.0) &
.AND. (IRRFRA .GE. parameters%IRR_FRAC)) THEN
SIFAC = 1.0
END IF
! choose method based on user namelist choice
IF(OPT_IRRM .EQ. 1) THEN
SIFAC = 1.0
MIFAC = 0.0
FIFAC = 0.0
ELSE IF(OPT_IRRM .EQ. 2) THEN
SIFAC = 0.0
MIFAC = 1.0
FIFAC = 0.0
ELSE IF(OPT_IRRM .EQ. 3) THEN
SIFAC = 0.0
MIFAC = 0.0
FIFAC = 1.0
END IF
! trigger irrigation only at soil timestep to be consistent for solving soil water
if (calculate_soil) then
! Call triggering function
IF((CROPLU .EQV. .TRUE.) .AND. (IRRFRA .GE. parameters%IRR_FRAC) .AND. &
(RAIN .LT. (parameters%IR_RAIN/3600.0)) .AND. ((IRAMTSI+IRAMTMI+IRAMTFI) .EQ. 0.0) )THEN
CALL TRIGGER_IRRIGATION(parameters,NSOIL,ZSOIL,SH2O,FVEG,JULIAN,IRRFRA,LAI, & !in
SIFAC,MIFAC,FIFAC, & !in
IRCNTSI,IRCNTMI,IRCNTFI, & !inout
IRAMTSI,IRAMTMI,IRAMTFI) !inout
END IF
! set irrigation off if parameters%IR_RAIN mm/h for this time step and irr triggered last time step
IF((RAIN .GE. (parameters%IR_RAIN/3600.0)) .OR. (IRRFRA .LT. parameters%IRR_FRAC))THEN
IRAMTSI = 0.0
IRAMTMI = 0.0
IRAMTFI = 0.0
END IF
endif
! call sprinkler irrigation before CANWAT/PRECIP_HEAT to have canopy interception
IF((CROPLU .EQV. .TRUE.) .AND. (IRAMTSI .GT. 0.0)) THEN
CALL SPRINKLER_IRRIGATION(parameters,NSOIL,DT,SH2O,SMC, & !in
SFCTMP,UU,VV,EAIR,SIFAC, & !in
IRAMTSI,IREVPLOS,IRSIRATE) !inout
RAIN = RAIN + (IRSIRATE*1000.0/DT) ![mm/s]
! cooling and humidification due to sprinkler evaporation, per m^2 calculation
FIRR = IREVPLOS*1000.0*HVAP/DT ! heat used for evaporation (W/m2)
EIRR = IREVPLOS*1000.0/DT ! sprinkler evaporation (mm/s)
END IF
! call for micro irrigation and flood irrigation are implemented in WATER subroutine
! end irrigation call-prasanth
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 ,PAHV ,PAHG ,PAHB , & !in
QSNOW ,DZSNSO ,LAT ,CANLIQ ,CANICE ,iloc, jloc ,& !in
Z0WRF , & !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
TAUSS ,LAISUN ,LAISHA ,RB , & !inout
!jref:start
QC ,QSFC ,PSFC , & !in
T2MV ,T2MB ,FSRV , & !out
FSRG ,RSSUN ,RSSHA ,ALBSND ,ALBSNI, BGAP ,WGAP,TGV,TGB,& !out
Q1 ,Q2V ,Q2B ,Q2E ,CHV ,CHB , & !out
EMISSI ,PAH ,CANHS , & !out
SHG,SHC,SHB,EVG,EVB,GHV,GHB,IRG,IRC,IRB,TR,EVC,CHLEAF,CHUC,CHV2,CHB2,&
EFLXB, HCPCT, ACC_SSOIL, &
JULIAN, SWDOWN, PRCP, FB, GECROS1D )
!jref:end
SICE(:) = MAX(0.0, SMC(:) - SH2O(:))
SNEQVO = SNEQV
QVAP = MAX( FGEV/LATHEAG, 0.0) ! positive part of fgev; Barlage change to ground v3.6
QDEW = ABS( MIN(FGEV/LATHEAG, 0.0)) ! 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
IRRFRA ,MIFAC ,FIFAC ,CROPLU , & !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
DX ,TDFRACMP, & !in PVK tile drainage
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
IRAMTFI,IRAMTMI ,IRFIRATE ,IRMIRATE, & !inout