Map

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Subcatchment Colormapping

Select a channel or hillslope to view information
Modify Landuse

Rebuild the soils after changing managements.

WEPP Results

Hillslope Visualizations

     



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Gridded Visualizations (for flowpath runs)



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Ash Transport Visualizations



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Soil Burn Severity (Optional)

Upload a raster SBS map (.img or .tif). The map can be a thematic SBS map or a 256 dNBR map. Preferably in UTM. Maps with color tables will use colors to assign severities.

Fire Date
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Channel Delineation

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Outlet

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Subcatchments Delineation

Advanced Options
Multiple OFE Parameters
Buffers

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Landuse Options

Advanced Options
Buffers

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Soil Options

Hillslopes with burn severity landuses will have soils altered to model burn severity.

Advanced Options
Use internal hydraulic conductivity adjustments (ksflag)

Should be off 7778. Does not affect 9001 and 9002 soils. (Experimental use for Agriculture Only.)



Specify un/disturbed soil version (sol_ver)
9002.0 soils fix wepp model surface runoff and sediment yield predictions for areas with high burn severity.


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Climate Options

User Defined

Spatial Mode


Select Station

Filter

Climate Method









NEXRAD Daily Modified Dataset




Spatial Mode


Stochastic Climate Generation
Observed Years
Future (CMIP5)
Single Storm (Cligen)
Single Storm Batch (Cligen)

Specify single storms as separate rows: mo da yr prcp(in) duration(hours) time-to-peak(fraction) intensity(in/hour)

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RAP Time Series Acquisition

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Watershed Preparation Report

WEPP

Advanced Options
For more information on the advanced processing options see the documentation
Hourly Seepage

Computes hourly instead of daily seepage calculations. Only applies to projects with 7778 soils (Not WEPP-PEP).


PMET

Computes evaporation and transpiration (ET) based on Penman-Monteith’s equation. The default is Penman’s equation.

For guidance on the parameters please see:
https://www.fao.org/3/x0490e/x0490e00.htm


Frost

Adjustment of effective hydraulic and thermal conductivity for snow, frozen-residue, and frozen-soil.

Run Frost (frost.txt)

Snow

Adjustments for snow.


Baseflow Processing

Channel Parameters

Constant CS parameters
Variable CS Parameters
Download the Channel Critical Shear Calculation Spreadsheet

Bedrock

Revegetation


Soils
Clip Soils

Deep soils may lead to excessive water being ended up stored in soils and limited runoff.

Initial Soil Saturation

Pollutant Processing (Optional)

Select WEPP Version

Export Configuration

Specify Export Products on Run Completion





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Wildfire Ash Transport And Risk (WATAR)

The ash transport analysis is available for continuous climates (no single storm). A climate with at least 100 years is recommended. The ash transport relies on WEPP outputs. Run WEPP before running this analysis.

mm
mm
kg/m2
kg/m2
Load Map

Upload a raster load map (.img or .tif). The map should contain ash loads in tonne / ha.

Ash Type Thematic Map (Optional)

Upload a raster load map (.img or .tif). The map should have assign no ash to 0, black ash as 1, and white ash as 2.

g/cm3
g/cm3
Advanced Options
Wind Transport
Ash Model Parameters
Parameter
White
Black


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Export

Zip Archive

Download Zip Archive of the Project

Daily Waterbalance Report

Download totalwatsed2.csv
totalwatsed2.csv is the replacement for totalwatsed.csv. It has been optimize to reduce processing time and file size.

Arcmap Resources

Download Zip Archive with GeoTiffs and ArcMap Pro compatible OGC Geopackage
Connect to a GeoPackage from ArcGIS

Watershed Preparation Details

Download as CSV Zip Archive

ERMiT

Download Hillslope Input CSV for ERMiT and Disturbed WEPP

Download the ERMiT and Disturbed WEPP batch processing spreadsheets