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CRT--Cascade Routing Tool to define and visualize flow paths for grid-based watershed models

Techniques and Methods 6-D2

Groundwater Resources Program; This report is Chapter 2 of Section D: Ground-Water/Surface-Water in Book 6: Modeling Techniques
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Abstract

The U.S. Geological Survey Cascade Routing Tool (CRT) is a computer application for watershed models that include the coupled Groundwater and Surface-water FLOW model, GSFLOW, and the Precipitation-Runoff Modeling System (PRMS). CRT generates output to define cascading surface and shallow subsurface flow paths for grid-based model domains. CRT requires a land-surface elevation for each hydrologic response unit (HRU) of the model grid; these elevations can be derived from a Digital Elevation Model raster data set of the area containing the model domain. Additionally, a list is required of the HRUs containing streams, swales, lakes, and other cascade termination features along with indices that uniquely define these features. Cascade flow paths are determined from the altitudes of each HRU. Cascade paths can cross any of the four faces of an HRU to a stream or to a lake within or adjacent to an HRU. Cascades can terminate at a stream, lake, or HRU that has been designated as a watershed outflow location.

Additional Publication Details

Publication type:
Report
Publication Subtype:
USGS Numbered Series
Title:
CRT--Cascade Routing Tool to define and visualize flow paths for grid-based watershed models
Series title:
Techniques and Methods
Series number:
6-D2
Year Published:
2013
Language:
English
Publisher:
U.S. Geological Survey
Publisher location:
Reston, VA
Contributing office(s):
Nevada Water Science Center
Description:
Pamphlet: vii, 28 p.; Software
Larger Work Type:
Report
Larger Work Subtype:
USGS Numbered Series
Larger Work Title:
Section D: Ground-Water/Surface-Water in Book 6: Modeling Techniques
Additional Online Files(Y/N):
Y