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Comparison of two models for identifying low gradient, unconfined streams and valley bottom extent in support of stream temperature modeling associated with fire effects

Posted date: November 06, 2015
Publication Year: 
2007
Authors: Nagel, David E.;
Document type: Presentations

Citation

Nagel, D. 2007. Comparison of two models for identifying low gradient, unconfined streams and valley bottom extent in support of stream temperature modeling associated with fire effects (poster). Forest Service/Bureau of Land Management Geospatial 2007, Portland, OR, May 7-11, 2007.

Description

This poster describes a project comparing two algorithms to delineate wide, flat valley bottoms using Digital Elevation Model (DEM) data as input: (1) an algorithm developed by the RMRS Boise Aquatic Lab and (2) one developed by the Forest Service Remote Sensing Applications Center. Predictions of total valley bottom extent for the Boise River Basin in Idaho were similar between models, but there were slight differences in the location of some predictions.

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PDF icon Nagel (2007)-ValleyBottomComparison.pdf222.86 KB