Inputs for baseline CONUS2 ParFlow Simulations

The ParFlow CONUS2 model is the second generation national ParFlow model. The CONUS2 domain covers the entire contiguous US and areas draining to it. The domain extent and projection are based off of the National Water Model Grid. Manual corrections were made along the coastline to get rid of cells that were water and to prune any orphan cells (i.e. cells attached to the domain only by a corner). You can learn more about the domain and the model on the HydroFrame Website. The conus2_domain dataset contains all of the input fields for the model as well as additional pre and post processing files that can be useful for data analysis. If you are interested in building a ParFlow model off of this national template the SubsetTools Python package can help you do that. Refer to the documentation here.

Dataset Name: conus2_domain

Data Source: hydroframe

Extent and Resolution:

• Available Date Range:

• Grid: conus2

  • Spacial Resolution: 1000 meters

  • XY Grid Spacial Extent: 4442 x 3256

  • LatLon Spacial Exent: -126.88755692881833, 21.8170599154073, -64.7677149695924, 53.20274381640737

  • Origin (meters): -2208000.30881173, -1668999.65483222

  • Projection: +proj=lcc +lat_1=30 +lat_2=60 +lon_0=-97.0 +lat_0=40.0000076294444 +a=6370000.0 +b=6370000

• Grid: conus2.250

  • Spacial Resolution: 250 meters

  • XY Grid Spacial Extent: 4442 x 3256

  • LatLon Spacial Exent: -126.88755692881833, 21.8170599154073, -64.7677149695924, 53.20274381640737

  • Origin (meters): -2208000.30881173, -1668999.65483222

  • Projection:

Variables

This describes the available variables of the dataset. Use the dataset, variables and temporal_resolution in python access functions as described in the Working with Gridded Data, and Working with Point Observations.

Climate Variables

variable	description	temporal_resolution	units	grid	3D
pme	Recharge forcing used for parflow spinups	static	m/h	conus2	yes

Hydrogeology Variables

variable	description	temporal_resolution	units	grid	3D
pf_indicator	Indicator file for subsufrace units in parflow	static	unitless	conus2	yes
pf_flowbarrier	File defining the depth to flow barier	static	unitless	conus2	no

Land Surface Variables

variable	description	temporal_resolution	units	grid	3D
veg_type_IGBP	Vegetation type using igbp classifications	static	unitless	conus2, conus2.250	yes

Location Variables

variable	description	temporal_resolution	units	grid	3D
latitude	Map grid points to latitude	static	degrees_north	conus2	no
longitude	Map grid points to longitude	static	degrees_east	conus2	no
lat_lon	Latitude/longitude in z dimension	static	unitless	conus2	yes

Run File Variables

variable	description	temporal_resolution	units	grid	3D
clm_run	No description	static	unitless	conus2	no
pf_solid	File to define a domain shape for parflow	static	unitless	conus2	no

Stream Network Variables

variable	description	temporal_resolution	units	grid	3D
distance_stream_lin	Shortest linear distance to streams	static	km	conus2, conus2.250	no
flow_direction	D4 flow direcitons with the following numbering: 1=down, 2=left, 3=up, 4=right	static	unitless	conus2, conus2.250	no
stream_order	Kahler stream order	static	unitless	conus2, conus2.250	no
stream_segments	Stream segment id numbers (0 values outside of stream)	static	unitless	conus2, conus2.250	no

Subsurface Variables

variable	description	temporal_resolution	units	grid	3D
ss_pressure_head	Presssure head at the end of spinup	static	unitless	conus2	yes

Surface Water Variables

variable	description	temporal_resolution	units	grid	3D
mannings	Mannings roughness coefficient	static	unitless	conus2	no

Topography Variables

variable	description	temporal_resolution	units	grid	3D
slope_x	Slope in the x direciton (grid centered)	static	unitless	conus2	no
slope_y	Slope in the y direction (grid centered)	static	unitless	conus2	no
drainage_area	Drainage area	static	km2	conus2, conus2.250	no
elevation	Final processed elevation	static	m	conus2, conus2.250	no
mask	Mask showing active domain	static	unitless	conus2	no