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Using selective drainage methods to hydrologically-condition and hydrologically-enforce lidar-derived surface flow

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Abstract

The methods to extract surface flow from coarse elevation data are well documented; however, the methods to extract surface flow from high-resolution, high-vertical accuracy digital elevation models (DEMs) derived from light detection and ranging (lidar) are less documented, but yet more complex. As lidar data are increasingly used to generate DEMS, the demand for lidar-derived surface flow escalates. Thus, the US Geological Survey has developed semi-automated selective drainage methods to extract continuous surface flow from lidar-derived DEMs. This integrated network is important in understanding surface water movement and runoff, flood inundation, and erosion.

Additional publication details

Publication type Conference Paper
Publication Subtype Conference Paper
Title Using selective drainage methods to hydrologically-condition and hydrologically-enforce lidar-derived surface flow
Volume 352
Year Published 2010
Language English
Publisher IAHS Press
Contributing office(s) Earth Resources Observation and Science (EROS) Center
Description 4 p.
Larger Work Type Conference Paper
Larger Work Title Remote sensing and hydrology
First page 329
Last page 332
Conference Title International Commission on Remote Sensing of IAHS
Conference Location Jacksonhole, Wyoming
Conference Date September 27-30 2010
Online Only (Y/N) N
Additional Online Files (Y/N) N