Variables

The list of available variable attributes organized by type of variable.

Atmospheric

variable	description	temporal_resolutions	units	aggregations	datasets
precipitation	Precipitation	daily, hourly, monthly_clim, annual_clim, monthly	?, mm	?, sum, mean, accumulated, sum_snow_adjusted	conus1_baseline_mod, NLDAS2, NLDAS2_85, CW3E, snotel, scan
air_temp	Air temperature	daily, hourly, monthly_clim, annual_clim, monthly	K, c	max, min, mean	conus1_baseline_mod, NLDAS2, NLDAS2_85, CW3E, snotel, scan, ameriflux
downward_longwave	Downward longwave radiation	hourly, daily	w/m2	mean	NLDAS2, NLDAS2_85, CW3E, ameriflux
downward_shortwave	Downward shortwave radiation	hourly, daily	w/m2	mean	NLDAS2, NLDAS2_85, CW3E, ameriflux
specific_humidity	Specific humidity	hourly, daily	kg/kg	mean	NLDAS2, NLDAS2_85, CW3E
east_windspeed	Zonal windspeed	hourly, daily	m/s	mean	NLDAS2, NLDAS2_85, CW3E
north_windspeed	Meridional windspeed	hourly, daily	m/s	mean	NLDAS2, NLDAS2_85, CW3E
atmospheric_pressure	Atmospheric pressure	hourly, daily	pa	mean	NLDAS2, NLDAS2_85, CW3E
vapor_pressure_deficit	Vapor pressure deficit	hourly	hpa	mean	ameriflux
wind_speed	Wind speed	hourly	m/s	mean	ameriflux

variable	description	temporal_resolutions	units	aggregations	datasets
pme	Recharge forcing used for parflow spinups	static	m/h		conus1_domain, conus2_domain
aridity_index	Aridity index precipitation/ (precipitaiton -evaporaiton)	static	static		conus1_domain

variable	description	temporal_resolutions	units	aggregations	datasets
permeability	Permeability	static	m/h	static	conus1_domain
porosity	Porosity	static	static	static	conus1_domain
van_genuchten_alpha	Alpha parameter for van genucten curve	static	static	static	conus1_domain
van_genuchten_n	N parameter for van genuchten curve	static	static	static	conus1_domain
pf_indicator	Indicator file for subsufrace units in parflow	static	static		conus1_domain, conus2_domain
pf_flowbarrier	File defining the depth to flow barier	static	static		conus2_domain

variable	description	temporal_resolutions	units	aggregations	datasets
latent_heat	Latent heat flux from canopy height to atmosphere	hourly	w/m2	sum	conus1_baseline_85, conus1_baseline_mod, ameriflux
outward_longwave_radiation	Outgoing long-wave radiation from ground+canopy	hourly	w/m2		conus1_baseline_85, conus1_baseline_mod
sensible_heat	Sensible heat from canopy height to atmosphere	hourly	w/m2	sum	conus1_baseline_85, conus1_baseline_mod, ameriflux
ground_heat	Ground heat flux	hourly	w/m2		conus1_baseline_85, conus1_baseline_mod
evapotranspiration	Evapotranspiration	daily, hourly	mm/d, mm/s	sum	conus1_baseline_mod, conus1_baseline_85
ground_evap	Ground surface evaporation rate	hourly	mm/s		conus1_baseline_85, conus1_baseline_mod
ground_evap_heat	Evaporation heat flux from ground	hourly	mm/s		conus1_baseline_85, conus1_baseline_mod
transpiration_leaves	Evaporation+transpiration from leaves	hourly	mm/s		conus1_baseline_85, conus1_baseline_mod
transpiration	Transpiration rate	hourly	mm/s		conus1_baseline_85, conus1_baseline_mod
veg_type_IGBP	Vegetation type using igbp classifications	static	static	static	conus1_domain, conus2_domain

variable	description	temporal_resolutions	units	aggregations	datasets
latitude	Map grid points to latitude	static	degrees_north, degrees	static, mean	conus1_domain, conus2_domain, nasa_smap
longitude	Map grid points to longitude	static	degrees_east, degrees	static, mean	conus1_domain, conus2_domain, nasa_smap
lat_lon	Latitude/longitude in z dimension	static	degrees, static	static	conus1_current_conditions, conus2_current_conditions, conus2_domain

variable	description	temporal_resolutions	units	datasets
parflow_run	Run scripts and other model configuration files	static	static	conus1_baseline_85, conus1_baseline_mod
clm_run	No description	static	static	conus1_baseline_85, conus1_baseline_mod, conus2_domain
pf_solid	File to define a domain shape for parflow	static	static	conus2_domain

variable	description	temporal_resolutions	units	datasets
stream_order	Kahler stream order	static	static	conus1_domain, conus2_domain
flow_direction_grass	D4 flow directions with grass numbering (2=up, 4=left, 6=down, 8=right)	static	static	conus1_domain
stream_segments	Stream segment id numbers (0 values outside of stream)	static	static	conus1_domain, conus2_domain
distance_stream_lin	Shortest linear distance to streams	static	km	conus2_domain
flow_direction	D4 flow direcitons with the following numbering: 1=down, 2=left, 3=up, 4=right	static	static	conus2_domain

variable	description	temporal_resolutions	units	aggregations	datasets
pressure_head	Map 3d grid point to pressure head	daily, hourly	m	mean	conus1_baseline_85, conus1_baseline_mod, conus1_current_conditions
saturation	Map 3d grid point to saturation value	hourly	static		conus1_baseline_85, conus1_baseline_mod
infiltration	Infiltration	hourly	mm/s		conus1_baseline_85, conus1_baseline_mod
ground_temp	Ground temperature	hourly	K		conus1_baseline_85, conus1_baseline_mod
soil_temp	Soil temperature	hourly	K		conus1_baseline_85, conus1_baseline_mod
soil_moisture	Soil moisture	daily	kg/m2, static, cm3/cm3, mm	mean, sod	conus1_baseline_mod, nasa_smap, conus1_current_conditions, conus2_current_conditions, snotel, scan
water_table_depth	Water table depth	daily, weekly, monthly	m	mean	conus1_baseline_mod, conus1_current_conditions, conus2_current_conditions, usgs_nwis
pressure_next	Pressure head at the following timestep	daily	m	tbd	conus1_baseline_mod
ss_pressure_head	Presssure head at the end of spinup	static	m, static		conus1_domain, conus2_domain

variable	description	temporal_resolutions	units	aggregations	datasets
swe	Snow water equivalent	daily, hourly, weekly, monthly	m, mm	eod, mean	conus1_baseline_mod, conus1_baseline_85, snotel
irrigation	Irrigation applied at surface	hourly	mm/s		conus1_baseline_85, conus1_baseline_mod
streamflow	Streamflow	daily, weekly, monthly	m3/h, mm	mean	conus1_baseline_mod, usgs_nwis
swe_melt	Difference in swe over a given time period	daily	mm		conus1_baseline_mod
mannings	Mannings roughness coefficient	static	static		conus2_domain

variable	description	temporal_resolutions	units	aggregations	datasets
topographic_index	Topographic index	static	static	static	conus1_domain
drainage_area	Drainage area	static	km2	static	conus1_domain, conus2_domain
slope_x	Slope in the x direciton (grid centered)	static	static	static	conus1_domain, conus2_domain
slope_y	Slope in the y direction (grid centered)	static	static	static	conus1_domain, conus2_domain
elevation	Final processed elevation	static	m		conus1_domain, conus2_domain
frac_stream_dist	Shortest distance of a given cell to a stream divided by the distance from the stream cell to the nearest topographic divide (values range from 0-1)	static	static		conus1_domain
mask	Mask showing active domain	static	static		conus2_domain
huc_map	Map of points to huc id				huc_mapping