RUC LSM Model

This module contains the RUC Land Surface Model developed by NOAA/GSL (Smirnova et al. 2016 [182]). More...

Modules
module	module_sf_ruclsm
	This module contains the entity of the RUC LSM model, which is a soil/veg/snowpack and ice/snowpack/land-surface model to update soil moisture, soil temperature, skin temperature, snowpack water content, snowdepth, and all terms of the surface energy balance and surface water balance.

Functions/Subroutines
subroutine	lsm_ruc::rucinit (lsm_cold_start, im, lsoil_ruc, lsoil, nlev, me, master, lsm_ruc, lsm, slmsk, stype, vtype, landfrac, fice, min_seaice, tskin_lnd, tskin_wat, tg3, zs, dzs, smc, slc, stc, sh2o, smfrkeep, tslb, smois, wetness, errmsg, errflg)
	This subroutine contains RUC LSM initialization. More...
subroutine	module_sf_ruclsm::ruclsm_soilvegparm (debug_print, MMINLURUC, MMINSL)
	This subroutine specifies vegetation related characteristics. More...
subroutine, public	set_soilveg_ruc_mod::set_soilveg_ruc (me, isot, ivet, nlunit, errmsg, errflg)
	This subroutine specifies vegetation and soil parameters for a given soil and land-use classification. More...
subroutine, public	module_soil_pre::init_soil_depth_3 (zs, dzs, num_soil_levels)
	This subroutine defines level depth in soil and thickness of soil layers RUC LSM. More...
subroutine, public	module_soil_pre::init_soil_3_real (tsk, tmn, smois, tslb, st_input, sm_input, landmask, sst, zs, dzs, st_levels_input, sm_levels_input, num_soil_layers, num_st_levels_input, num_sm_levels_input, num_st_levels_alloc, num_sm_levels_alloc, flag_sst, flag_soil_layers, flag_soil_levels, ids, ide, jds, jde, kds, kde, ims, ime, jms, jme, kms, kme, its, ite, jts, jte, kts, kte)
	This subroutine initializes soil moisture and temperature at RUC vertical levels from the Noah layers. RUC has 3 levels in the top Noah layer, therefore, initialization of soil moisture at these top levels is questionable. More...
subroutine, public	module_sf_ruclsm::lsmruc (xlat, xlon, DT, init, lsm_cold_start, KTAU, iter, NSL, graupelncv, snowncv, rainncv, raincv, ZS, RAINBL, SNOW, SNOWH, SNOWC, FRZFRAC, frpcpn, rhosnf, precipfr, exticeden, hgt, stdev, Z3D, P8W, T3D, QV3D, QC3D, RHO3D, EMISBCK, GLW, GSWdn, GSW, EMISS, CHKLOWQ, CHS, FLQC, FLHC, rhonewsn_ex, mosaic_lu, mosaic_soil, isncond_opt, isncovr_opt, MAVAIL, CANWAT, VEGFRA, ALB, ZNT, Z0, SNOALB, ALBBCK, LAI, landusef, nlcat, soilctop, nscat, QSFC, QSG, QVG, QCG, DEW, SOILT1, TSNAV, TBOT, IVGTYP, ISLTYP, XLAND, ISWATER, ISICE, XICE, XICE_THRESHOLD, CP, RV, RD, G0, PI, LV, STBOLT, SOILMOIS, SH2O, SMAVAIL, SMMAX, TSO, SOILT, EDIR, EC, ETT, SUBLIM, SNOH, HFX, QFX, LH, INFILTR, RUNOFF1, RUNOFF2, ACRUNOFF, SFCEXC, SFCEVP, GRDFLX, SNOWFALLAC, ACSNOW, SNOM, SMFR3D, KEEPFR3DFLAG, myj, shdmin, shdmax, rdlai2d, ims, ime, jms, jme, kms, kme, its, ite, jts, jte, kts, kte, errmsg, errflg)
	The RUN LSM model is described in Smirnova et al.(1997) [180] and Smirnova et al.(2000) [181]. More...
subroutine	module_sf_ruclsm::sfctmp (debug_print, delt, ktau, conflx, i, j, xlat, xlon, testptlat, testptlon, nzs, nddzs, nroot, meltfactor, isncond_opt, isncovr_opt, ILAND, ISOIL, IVGTYP, ISLTYP, PRCPMS, NEWSNMS, SNWE, SNHEI, SNOWFRAC, exticeden, RHOSN, RHONEWSN_ex, RHONEWSN, RHOSNFALL, snowrat, grauprat, icerat, curat, PATM, TABS, QVATM, QCATM, rho, GLW, GSWdn, GSW, EMISS, EMISBCK, msnf, facsnf, QKMS, TKMS, PC, MAVAIL, CST, VEGFRA, ALB, ZNT, ALB_SNOW, ALB_SNOW_FREE, lai, hgt, stdev, MYJ, SEAICE, ISICE, QWRTZ, rhocs, dqm, qmin, ref, wilt, psis, bclh, ksat, sat, cn, zsmain, zshalf, DTDZS, DTDZS2, tbq, cp, rovcp, g0, lv, stbolt, cw, c1sn, c2sn, KQWRTZ, KICE, KWT, snweprint, snheiprint, rsm, soilm1d, ts1d, smfrkeep, keepfr, soilt, soilt1, tsnav, dew, qvg, qsg, qcg, SMELT, SNOH, SNFLX, SNOM, SNOWFALLAC, ACSNOW, edir1, ec1, ett1, eeta, qfx, hfx, s, sublim, evapl, prcpl, fltot, runoff1, runoff2, soilice, soiliqw, infiltr, smf)
	This subroutine solves energy and moisture budgets. More...
real(kind_phys) function	module_sf_ruclsm::qsn (TN, T)
	This function computes water vapor mixing ratio at saturation from the precomputed table and a given temperature. More...
subroutine	module_sf_ruclsm::soil (debug_print, xlat, xlon, i, j, iland, isoil, delt, ktau, conflx, nzs, nddzs, nroot, PRCPMS, RAINF, PATM, QVATM, QCATM, GLW, GSW, GSWin, EMISS, RNET, QKMS, TKMS, PC, cst, drip, infwater, rho, vegfrac, lai, myj, QWRTZ, rhocs, dqm, qmin, ref, wilt, psis, bclh, ksat, sat, cn, zsmain, zshalf, DTDZS, DTDZS2, tbq, xlv, CP, rovcp, G0_P, cw, stbolt, TABS, KQWRTZ, KICE, KWT, soilmois, tso, smfrkeep, keepfr, dew, soilt, qvg, qsg, qcg, edir1, ec1, ett1, eeta, qfx, hfx, s, evapl, prcpl, fltot, runoff1, runoff2, mavail, soilice, soiliqw, infiltrp, smf)
	This subroutine calculates energy and moisture budget for vegetated surfaces without snow, heat diffusion and Richards eqns in soil. More...
subroutine	module_sf_ruclsm::sice (debug_print, xlat, xlon, i, j, iland, isoil, delt, ktau, conflx, nzs, nddzs, nroot, PRCPMS, RAINF, PATM, QVATM, QCATM, GLW, GSW, EMISS, RNET, QKMS, TKMS, rho, myj, tice, rhosice, capice, thdifice, zsmain, zshalf, DTDZS, DTDZS2, tbq, xlv, CP, rovcp, cw, stbolt, tabs, tso, dew, soilt, qvg, qsg, qcg, eeta, qfx, hfx, s, evapl, prcpl, fltot)
	This subroutine is called for sea ice without accumulated snow on its surface. it solves heat diffusion inside ice and energy budget at the surface of ice. It computes skin temperature and temerature inside sea ice. More...
subroutine	module_sf_ruclsm::snowsoil (debug_print, xlat, xlon, testptlat, testptlon, i, j, isoil, delt, ktau, conflx, nzs, nddzs, nroot, isncond_opt, isncovr_opt, meltfactor, rhonewsn, SNHEI_CRIT, ILAND, PRCPMS, RAINF, NEWSNOW, snhei, SNWE, SNOWFRAC, RHOSN, PATM, QVATM, QCATM, GLW, GSW, GSWin, EMISS, RNET, IVGTYP, QKMS, TKMS, PC, cst, drip, infwater, rho, vegfrac, alb, znt, lai, MYJ, QWRTZ, rhocs, dqm, qmin, ref, wilt, psis, bclh, ksat, sat, cn, zsmain, zshalf, DTDZS, DTDZS2, tbq, xlv, CP, rovcp, G0_P, cw, stbolt, TABS, KQWRTZ, KICE, KWT, ilnb, snweprint, snheiprint, rsm, soilmois, tso, smfrkeep, keepfr, dew, soilt, soilt1, tsnav, qvg, qsg, qcg, SMELT, SNOH, SNFLX, SNOM, edir1, ec1, ett1, eeta, qfx, hfx, s, sublim, prcpl, fltot, runoff1, runoff2, mavail, soilice, soiliqw, infiltrp)
	This subroutine is called for snow covered areas of land. It solves energy and moisture budgets on the surface of snow, and on the interface of snow and soil. It computes skin temperature, snow temperature, snow depth and snow melt. More...
subroutine	module_sf_ruclsm::snowseaice (debug_print, xlat, xlon, i, j, isoil, delt, ktau, conflx, nzs, nddzs, isncond_opt, isncovr_opt, meltfactor, rhonewsn, SNHEI_CRIT, ILAND, PRCPMS, RAINF, NEWSNOW, snhei, SNWE, snowfrac, RHOSN, PATM, QVATM, QCATM, GLW, GSW, EMISS, RNET, QKMS, TKMS, RHO, myj, ALB, ZNT, tice, rhosice, capice, thdifice, zsmain, zshalf, DTDZS, DTDZS2, tbq, xlv, CP, rovcp, cw, stbolt, tabs, ilnb, snweprint, snheiprint, rsm, tso, dew, soilt, soilt1, tsnav, qvg, qsg, qcg, SMELT, SNOH, SNFLX, SNOM, eeta, qfx, hfx, s, sublim, prcpl, fltot)
	This subroutine is called for sea ice with accumulated snow on its surface. It solves energy budget on the snow interface with atmosphere and snow interface with ice. It calculates skin temperature, snow and ice temperatures, snow depth and snow melt. More...
subroutine	module_sf_ruclsm::soiltemp (debug_print, xlat, xlon, i, j, iland, isoil, delt, ktau, conflx, nzs, nddzs, nroot, PRCPMS, RAINF, PATM, TABS, QVATM, QCATM, EMISS, RNET, QKMS, TKMS, PC, RHO, VEGFRAC, lai, THDIF, CAP, DRYCAN, WETCAN, TRANSUM, DEW, MAVAIL, soilres, alfa, DQM, QMIN, BCLH, ZSMAIN, ZSHALF, DTDZS, TBQ, XLV, CP, G0_P, CVW, STBOLT, TSO, SOILT, QVG, QSG, QCG, X)
	This subroutine solves energy budget equation and heat diffusion equation. More...
subroutine	module_sf_ruclsm::snowtemp (debug_print, xlat, xlon, testptlat, testptlon, i, j, iland, isoil, delt, ktau, conflx, nzs, nddzs, nroot, isncond_opt, isncovr_opt, snwe, snwepr, snhei, newsnow, snowfrac, snhei_crit, beta, deltsn, snth, rhosn, rhonewsn, meltfactor, PRCPMS, RAINF, PATM, TABS, QVATM, QCATM, GLW, GSW, EMISS, RNET, QKMS, TKMS, PC, RHO, VEGFRAC, THDIF, CAP, DRYCAN, WETCAN, CST, TRANF, TRANSUM, DEW, MAVAIL, DQM, QMIN, PSIS, BCLH, ZSMAIN, ZSHALF, DTDZS, TBQ, XLVM, CP, rovcp, G0_P, CVW, STBOLT, SNWEPRINT, SNHEIPRINT, RSM, TSO, SOILT, SOILT1, TSNAV, QVG, QSG, QCG, SMELT, SNOH, SNFLX, S, ILNB, X)
	This subroutine solves energy bugdget equation and heat diffusion equation to obtain snow and soil temperatures. More...
subroutine	module_sf_ruclsm::soilmoist (debug_print, DELT, NZS, NDDZS, DTDZS, DTDZS2, RIW, ZSMAIN, ZSHALF, DIFFU, HYDRO, QSG, QVG, QCG, QCATM, QVATM, PRCP, QKMS, TRANSP, DRIP, DEW, SMELT, SOILICE, VEGFRAC, SNOWFRAC, soilres, DQM, QMIN, REF, KSAT, RAS, INFMAX, SOILMOIS, SOILIQW, MAVAIL, RUNOFF, RUNOFF2, INFILTRP)
	This subroutine solves moisture budget and computes soil moisture and surface and sub-surface runoffs. More...
subroutine	module_sf_ruclsm::soilprop (debug_print, nzs, fwsat, lwsat, tav, keepfr, soilmois, soiliqw, soilice, soilmoism, soiliqwm, soilicem, QWRTZ, rhocs, dqm, qmin, psis, bclh, ksat, riw, xlmelt, CP, G0_P, cvw, ci, kqwrtz, kice, kwt, thdif, diffu, hydro, cap)
	This subroutine computes thermal diffusivity, and diffusional and hydraulic condeuctivities in soil. More...
subroutine	module_sf_ruclsm::transf (debug_print, nzs, nroot, soiliqw, tabs, lai, gswin, dqm, qmin, ref, wilt, zshalf, pc, iland, tranf, transum)
	This subroutine solves the transpiration function (EQs. 18,19 in Smirnova et al.(1997) [180]) More...
subroutine	module_sf_ruclsm::vilka (TN, D1, D2, PP, QS, TS, TT, NSTEP, ii, j, iland, isoil, xlat, xlon)
	This subroutine finds the solution of energy budget at the surface from the pre-computed table of saturated water vapor mixing ratio and estimated surface temperature. More...
subroutine	module_sf_ruclsm::soilvegin (debug_print, mosaic_lu, mosaic_soil, soilfrac, nscat, shdmin, shdmax, NLCAT, IVGTYP, ISLTYP, iswater, MYJ, IFOREST, lufrac, vegfrac, EMISS, PC, MSNF, FACSNF, ZNT, LAI, RDLAI2D, QWRTZ, RHOCS, BCLH, DQM, KSAT, PSIS, QMIN, REF, WILT, I, J, errmsg, errflg)
	This subroutine computes effective land and soil parameters in the grid cell from the weighted contribution of soil and land categories represented in the grid cell. More...
subroutine, public	module_sf_ruclsm::ruclsminit (debug_print, landfrac, fice, min_seaice, nzs, isltyp, ivgtyp, mavail, sh2o, smfr3d, tslb, smois, ims, ime, jms, jme, kms, kme, its, ite, jts, jte, kts, kte)
	This subroutine computes liquid and forezen soil moisture from the total soil moisture, and also computes soil moisture availability in the top soil layer. More...
subroutine	module_sf_ruclsm::soilin (ISLTYP, DQM, REF, PSIS, QMIN, BCLH)
	This subroutine specifies 19 soiltyp classification according to STATSGO. More...
real(kind_phys) function, public	module_sf_ruclsm::rslf (P, T)
	This function calculates the liquid saturation vapor mixing ratio as a function of temperature and pressure (from Thompson scheme). More...

Detailed Description

Argument Table

local_name	standard_name	long_name	units	type	dimensions	kind	intent
iter	ccpp_loop_counter	loop counter for subcycling loops in CCPP	index	integer	()		in
me	mpi_rank	current MPI-rank	index	integer	()		in
master	mpi_root	master MPI-rank	index	integer	()		in
delt	timestep_for_dynamics	physics time step	s	real	()	kind_phys	in
kdt	index_of_timestep	current number of time steps	index	integer	()		in
im	horizontal_loop_extent	horizontal loop extent	count	integer	()		in
nlev	vertical_layer_dimension	number of vertical levels	count	integer	()		in
lsm_ruc	identifier_for_ruc_land_surface_scheme	flag for RUC land surface model	flag	integer	()		in
lsm	control_for_land_surface_scheme	flag for land surface model	flag	integer	()		in
imp_physics	control_for_microphysics_scheme	choice of microphysics scheme	flag	integer	()		in
imp_physics_gfdl	identifier_for_gfdl_microphysics_scheme	choice of GFDL microphysics scheme	flag	integer	()		in
imp_physics_thompson	identifier_for_thompson_microphysics_scheme	choice of Thompson microphysics scheme	flag	integer	()		in
imp_physics_nssl	identifier_for_nssl_microphysics_scheme	choice of NSSL 2-moment microphysics scheme	flag	integer	()		in
do_mynnsfclay	flag_for_mellor_yamada_nakanishi_niino_surface_layer_scheme	flag to activate MYNN surface layer	flag	logical	()		in
exticeden	do_external_surface_frozen_precipitation_density	flag for calculating frozen precip ice density outside of the LSM	flag	logical	()		in
lsoil_ruc	vertical_dimension_of_soil_internal_to_land_surface_scheme	number of soil layers internal to land surface model	count	integer	()		in
lsoil	vertical_dimension_of_soil	soil vertical layer dimension	count	integer	()		in
mosaic_lu	control_for_fractional_landuse_in_ruc_land_surface_scheme	control for use of fractional landuse info in RUC land surface model	flag	integer	()		in
mosaic_soil	control_for_fractional_soil_in_ruc_land_surface_scheme	control for use of fractional soil info in RUC land surface model	flag	integer	()		in
isncond_opt	control_for_soil_thermal_conductivity_option_in_ruc_lsm	control for soil thermal conductivity option in RUC land surface model	flag	integer	()		in
isncovr_opt	control_for_snow_cover_fraction_option_in_ruc_lsm	control for snow cover fraction option in RUC land surface model	flag	integer	()		in
nlcat	number_of_vegetation_categories	number of vegetation categories	count	integer	()		in
nscat	number_of_soil_categories	number of soil categories	count	integer	()		in
rdlai	flag_for_reading_leaf_area_index_from_input	flag for reading leaf area index from initial conditions for RUC LSM	flag	logical	()		in
xlat_d	latitude_in_degree	latitude in degree north	degree_north	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	in
xlon_d	longitude_in_degree	longitude in degree east	degree_east	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	in
oro	height_above_mean_sea_level	height_above_mean_sea_level	m	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	in
sigma	standard_deviation_of_subgrid_orography	standard deviation of subgrid height_above_mean_sea_level	m	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	in
zs	depth_of_soil_layers	depth of soil levels for land surface model	m	real	(ccpp_constant_one:vertical_dimension_of_soil_internal_to_land_surface_scheme)	kind_phys	in
t1	air_temperature_at_surface_adjacent_layer	mean temperature at lowest model layer	K	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	in
q1	specific_humidity_at_surface_adjacent_layer	water vapor specific humidity at lowest model layer	kg kg-1	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	in
qc	cloud_liquid_water_mixing_ratio_at_surface_adjacent_layer	ratio of mass of cloud water to mass of dry air plus vapor (without condensates) at lowest model layer	kg kg-1	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	in
stype	soil_type_classification	soil type at each grid cell	index	integer	(ccpp_constant_one:horizontal_loop_extent)		in
vtype	vegetation_type_classification	vegetation type at each grid cell	index	integer	(ccpp_constant_one:horizontal_loop_extent)		in
vegtype_frac	fraction_of_vegetation_category	fraction of horizontal grid area occupied by given vegetation category	frac	real	(ccpp_constant_one:horizontal_loop_extent, ccpp_constant_one:number_of_vegetation_categories)	kind_phys	in
soiltype_frac	fraction_of_soil_category	fraction of horizontal grid area occupied by given soil category	frac	real	(ccpp_constant_one:horizontal_loop_extent, ccpp_constant_one:number_of_soil_categories)	kind_phys	in
sigmaf	vegetation_area_fraction	areal fractional cover of green vegetation	frac	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	in
laixy	leaf_area_index	leaf area index	none	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	in
dlwflx	surface_downwelling_longwave_flux	surface downwelling longwave flux at current time	W m-2	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	in
dswsfc	surface_downwelling_shortwave_flux	surface downwelling shortwave flux at current time	W m-2	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	in
tg3	deep_soil_temperature	deep soil temperature	K	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	in
coszen	instantaneous_cosine_of_zenith_angle	cosine of zenith angle at current time	none	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	in
land	flag_nonzero_land_surface_fraction	flag indicating presence of some land surface area fraction	flag	logical	(ccpp_constant_one:horizontal_loop_extent)		in
icy	flag_nonzero_sea_ice_surface_fraction	flag indicating presence of some sea ice surface area fraction	flag	logical	(ccpp_constant_one:horizontal_loop_extent)		in
use_lake	flag_for_using_lake_model	flag indicating lake points using a lake model	flag	integer	(ccpp_constant_one:horizontal_loop_extent)		in
rainnc	lwe_thickness_of_explicit_precipitation_amount_on_previous_timestep	explicit rainfall from previous timestep	m	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	in
rainc	lwe_thickness_of_convective_precipitation_amount_on_previous_timestep	convective_precipitation_amount from previous timestep	m	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	in
ice	lwe_thickness_of_ice_precipitation_amount_on_previous_timestep	ice amount from previous timestep	m	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	in
snow	snow_mass_on_previous_timestep	snow amount from previous timestep	m	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	in
graupel	lwe_thickness_of_graupel_amount_on_previous_timestep	graupel amount from previous timestep	m	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	in
prsl1	air_pressure_at_surface_adjacent_layer	mean pressure at lowest model layer	Pa	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	in
zf	height_above_ground_at_lowest_model_layer	layer 1 height above ground (not MSL)	m	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	in
wind	wind_speed_at_lowest_model_layer	wind speed at lowest model level	m s-1	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	in
shdmin	min_vegetation_area_fraction	min fractional coverage of green vegetation	frac	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	in
shdmax	max_vegetation_area_fraction	max fractional coverage of green vegetation	frac	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	in
srflag	precipitation_type	snow/rain flag for precipitation	flag	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	in
sfalb_lnd_bck	surface_snow_free_albedo_over_land	surface snow-free albedo over ice	frac	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	in
snoalb	upper_bound_of_max_albedo_assuming_deep_snow	maximum snow albedo	frac	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	in
isot	control_for_soil_type_dataset	soil type dataset choice	index	integer	()		in
ivegsrc	control_for_vegetation_dataset	land use dataset choice	index	integer	()		in
fice	sea_ice_area_fraction_of_sea_area_fraction	ice fraction over open water	frac	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
smcwlt2	volume_fraction_of_condensed_water_in_soil_at_wilting_point	soil water fraction at wilting point	frac	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
smcref2	threshold_volume_fraction_of_condensed_water_in_soil	soil moisture threshold	frac	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
min_lakeice	min_lake_ice_area_fraction	minimum lake ice value	frac	real	()	kind_phys	in
min_seaice	min_sea_ice_area_fraction	minimum sea ice value	frac	real	()	kind_phys	in
oceanfrac	sea_area_fraction	fraction of horizontal grid area occupied by ocean	frac	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	in
rhonewsn1	surface_frozen_precipitation_density	density of precipitation ice	kg m-3	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	in
con_cp	specific_heat_of_dry_air_at_constant_pressure	specific heat !of dry air at constant pressure	J kg-1 K-1	real	()	kind_phys	in
con_rd	gas_constant_of_dry_air	ideal gas constant for dry air	J kg-1 K-1	real	()	kind_phys	in
con_rv	gas_constant_water_vapor	ideal gas constant for water vapor	J kg-1 K-1	real	()	kind_phys	in
con_g	gravitational_acceleration	gravitational acceleration	m s-2	real	()	kind_phys	in
con_pi	pi	ratio of a circle's circumference to its diameter	none	real	()	kind_phys	in
con_hvap	latent_heat_of_vaporization_of_water_at_0c	latent heat of vaporization/sublimation (hvap)	J kg-1	real	()	kind_phys	in
con_hfus	latent_heat_of_fusion_of_water_at_0c	latent heat of fusion	J kg-1	real	()	kind_phys	in
con_fvirt	ratio_of_vapor_to_dry_air_gas_constants_minus_one	rv/rd - 1 (rv = ideal gas constant for water vapor)	none	real	()	kind_phys	in
stbolt	stefan_boltzmann_constant	Stefan-Boltzmann constant	W m-2 K-4	real	()	kind_phys	in
rhoh2o	density_of_fresh_water	density of fresh water	kg m-3	real	()	kind_phys	in
semisbase	baseline_surface_longwave_emissivity	baseline surface lw emissivity in fraction	frac	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
semis_lnd	surface_longwave_emissivity_over_land	surface lw emissivity in fraction over land	frac	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
semis_ice	surface_longwave_emissivity_over_ice	surface lw emissivity in fraction over ice	frac	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
sfalb_lnd	surface_diffused_shortwave_albedo_over_land	mean surface diffused sw albedo over land	frac	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
sfalb_ice	surface_diffused_shortwave_albedo_over_ice	mean surface diffused sw albedo over ice	frac	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
sncovr1_lnd	surface_snow_area_fraction_over_land	surface snow area fraction over land	frac	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
weasd_lnd	water_equivalent_accumulated_snow_depth_over_land	water equiv of acc snow depth over land	mm	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
snwdph_lnd	surface_snow_thickness_water_equivalent_over_land	water equivalent snow depth over land	mm	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
tskin_lnd	surface_skin_temperature_over_land	surface skin temperature over land	K	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
sncovr1_ice	surface_snow_area_fraction_over_ice	surface snow area fraction over ice	frac	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
weasd_ice	water_equivalent_accumulated_snow_depth_over_ice	water equiv of acc snow depth over ice	mm	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
snwdph_ice	surface_snow_thickness_water_equivalent_over_ice	water equivalent snow depth over ice	mm	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
tskin_ice	surface_skin_temperature_over_ice	surface skin temperature over ice	K	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
smois	volume_fraction_of_soil_moisture_for_land_surface_model	volumetric fraction of soil moisture for lsm	frac	real	(ccpp_constant_one:horizontal_loop_extent, ccpp_constant_one:vertical_dimension_of_soil_internal_to_land_surface_scheme)	kind_phys	inout
tsice	temperature_in_ice_layer	sea ice internal temperature	K	real	(ccpp_constant_one:horizontal_loop_extent, ccpp_constant_one:vertical_dimension_of_sea_ice)	kind_phys	inout
tslb	soil_temperature_for_land_surface_model	soil temperature for land surface model	K	real	(ccpp_constant_one:horizontal_loop_extent, ccpp_constant_one:vertical_dimension_of_soil_internal_to_land_surface_scheme)	kind_phys	inout
sh2o	volume_fraction_of_unfrozen_soil_moisture_for_land_surface_model	volume fraction of unfrozen soil moisture for lsm	frac	real	(ccpp_constant_one:horizontal_loop_extent, ccpp_constant_one:vertical_dimension_of_soil_internal_to_land_surface_scheme)	kind_phys	inout
keepfr	control_for_frozen_soil_physics	flag for frozen soil physics (RUC)	flag	real	(ccpp_constant_one:horizontal_loop_extent, ccpp_constant_one:vertical_dimension_of_soil_internal_to_land_surface_scheme)	kind_phys	inout
smfrkeep	volume_fraction_of_frozen_soil_moisture_for_land_surface_model	volume fraction of frozen soil moisture for lsm	frac	real	(ccpp_constant_one:horizontal_loop_extent, ccpp_constant_one:vertical_dimension_of_soil_internal_to_land_surface_scheme)	kind_phys	inout
canopy	canopy_water_amount	canopy water amount	kg m-2	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
trans	transpiration_flux	total plant transpiration rate	W m-2	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
tsurf_lnd	surface_skin_temperature_after_iteration_over_land	surface skin temperature after iteration over land	K	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
tsnow_lnd	temperature_in_surface_snow_at_surface_adjacent_layer_over_land	snow temperature at the bottom of first snow layer over land	K	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
z0rl_lnd	surface_roughness_length_over_land	surface roughness length over land (temporary use as interstitial)	cm	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
sfcqc_lnd	cloud_condensed_water_mixing_ratio_at_surface_over_land	moist cloud water mixing ratio at surface over land	kg kg-1	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
sfcqv_lnd	water_vapor_mixing_ratio_at_surface_over_land	water vapor mixing ratio at surface over land	kg kg-1	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
qsurf_lnd	surface_specific_humidity_over_land	surface air saturation specific humidity over land	kg kg-1	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
gflux_lnd	upward_heat_flux_in_soil_over_land	soil heat flux over land	W m-2	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
evap_lnd	kinematic_surface_upward_latent_heat_flux_over_land	kinematic surface upward evaporation flux over land	kg kg-1 m s-1	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
hflx_lnd	kinematic_surface_upward_sensible_heat_flux_over_land	kinematic surface upward sensible heat flux over land	K m s-1	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
runof	surface_runoff_flux	surface runoff flux	kg m-2 s-1	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
runoff	total_runoff	total water runoff	kg m-2	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
srunoff	surface_runoff	surface water runoff (from lsm)	kg m-2	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
drain	subsurface_runoff_flux	subsurface runoff flux	kg m-2 s-1	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
cm_lnd	surface_drag_coefficient_for_momentum_in_air_over_land	surface exchange coeff for momentum over land	none	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	in
ch_lnd	surface_drag_coefficient_for_heat_and_moisture_in_air_over_land	surface exchange coeff heat & moisture over land	none	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	in
evbs	soil_upward_latent_heat_flux	soil upward latent heat flux	W m-2	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
evcw	canopy_upward_latent_heat_flux	canopy upward latent heat flux	W m-2	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
stm	soil_moisture_content	soil moisture content	kg m-2	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
wetness	normalized_soil_wetness_for_land_surface_model	normalized soil wetness	frac	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
snowfallac_lnd	surface_snow_amount_assuming_variable_snow_density_over_land	run-total snow accumulation on the ground with variable snow density over land	kg m-2	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
acsnow_lnd	surface_snow_lwe_thickness_amount_over_land	run-total snowfall water equivalent over land	kg m-2	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
snowmt_lnd	surface_snow_melt_over_land	snow melt during timestep over land	kg m-2	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
snohf	snow_freezing_rain_upward_latent_heat_flux	latent heat flux due to snow and frz rain	W m-2	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
albdvis_lnd	surface_albedo_direct_visible_over_land	direct surface albedo visible band over land	frac	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	out
albdnir_lnd	surface_albedo_direct_nir_over_land	direct surface albedo NIR band over land	frac	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	out
albivis_lnd	surface_albedo_diffuse_visible_over_land	diffuse surface albedo visible band over land	frac	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	out
albinir_lnd	surface_albedo_diffuse_nir_over_land	diffuse surface albedo NIR band over land	frac	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	out
sfcqc_ice	cloud_condensed_water_mixing_ratio_at_surface_over_ice	moist cloud water mixing ratio at surface over ice	kg kg-1	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
sfcqv_ice	water_vapor_mixing_ratio_at_surface_over_ice	water vapor mixing ratio at surface over ice	kg kg-1	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
tsurf_ice	surface_skin_temperature_after_iteration_over_ice	surface skin temperature after iteration over ice	K	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
tsnow_ice	temperature_in_surface_snow_at_surface_adjacent_layer_over_ice	snow temperature at the bottom of first snow layer over ice	K	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
z0rl_ice	surface_roughness_length_over_ice	surface roughness length over ice (temporary use as interstitial)	cm	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
qsurf_ice	surface_specific_humidity_over_ice	surface air saturation specific humidity over ice	kg kg-1	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
gflux_ice	upward_heat_flux_in_soil_over_ice	soil heat flux over ice	W m-2	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
evap_ice	kinematic_surface_upward_latent_heat_flux_over_ice	kinematic surface upward latent heat flux over ice	kg kg-1 m s-1	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
ep1d_ice	surface_upward_potential_latent_heat_flux_over_ice	surface upward potential latent heat flux over ice	W m-2	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
hflx_ice	kinematic_surface_upward_sensible_heat_flux_over_ice	kinematic surface upward sensible heat flux over ice	K m s-1	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
cm_ice	surface_drag_coefficient_for_momentum_in_air_over_ice	surface exchange coeff for momentum over ice	none	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	in
ch_ice	surface_drag_coefficient_for_heat_and_moisture_in_air_over_ice	surface exchange coeff heat & moisture over ice	none	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	in
snowfallac_ice	surface_snow_amount_assuming_variable_snow_density_over_ice	run-total snow accumulation on the ground with variable snow density over ice	kg m-2	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
acsnow_ice	surface_snow_lwe_thickness_amount_over_ice	run-total snowfall water equivalent over ice	kg m-2	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
snowmt_ice	surface_snow_melt_over_ice	snow melt during timestep over ice	kg m-2	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
albdvis_ice	surface_albedo_direct_visible_over_ice	direct surface albedo visible band over ice	frac	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	out
albdnir_ice	surface_albedo_direct_nir_over_ice	direct surface albedo NIR band over ice	frac	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	out
albivis_ice	surface_albedo_diffuse_visible_over_ice	diffuse surface albedo visible band over ice	frac	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	out
albinir_ice	surface_albedo_diffuse_nir_over_ice	diffuse surface albedo NIR band over ice	frac	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	out
rhosnf	lsm_internal_surface_frozen_precipitation_density	density of frozen precipitation	kg m-3	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
sbsno	snow_deposition_sublimation_upward_latent_heat_flux	latent heat flux from snow depo/subl	W m-2	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
cmm_lnd	surface_drag_wind_speed_for_momentum_in_air_over_land	momentum exchange coefficient over land	m s-1	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
chh_lnd	surface_drag_mass_flux_for_heat_and_moisture_in_air_over_land	thermal exchange coefficient over land	kg m-2 s-1	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
cmm_ice	surface_drag_wind_speed_for_momentum_in_air_over_ice	momentum exchange coefficient over ice	m s-1	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
chh_ice	surface_drag_mass_flux_for_heat_and_moisture_in_air_over_ice	thermal exchange coefficient over ice	kg m-2 s-1	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	inout
flag_iter	flag_for_iteration	flag for iteration	flag	logical	(ccpp_constant_one:horizontal_loop_extent)		in
flag_guess	flag_for_guess_run	flag for guess run	flag	logical	(ccpp_constant_one:horizontal_loop_extent)		in
flag_init	flag_for_first_timestep	flag signaling first time step for time integration loop	flag	logical	()		in
lsm_cold_start	do_lsm_cold_start	flag to signify LSM is cold-started	flag	logical	()		in
flag_cice	flag_for_cice	flag for cice	flag	logical	(ccpp_constant_one:horizontal_loop_extent)		in
frac_grid	flag_for_fractional_landmask	flag for fractional grid	flag	logical	()		in
errmsg	ccpp_error_message	error message for error handling in CCPP	none	character	()	len=*	out
errflg	ccpp_error_code	error code for error handling in CCPP	1	integer	()		out

RUC LSM General Algorithm