Download or read book Evaluation of Catchment Delineation Methods for the Medium-Resolution National Hydrography Dataset written by U.S. Department of the Interior and published by CreateSpace. This book was released on 2014-03-04 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt: Different methods for determining catchments (incremental drainage areas) for stream segments of the medium-resolution (1:100,000-scale) National Hydrography Dataset (NHD) were evaluated by the U.S. Geological Survey (USGS), in cooperation with the U.S. Environmental Protection Agency (USEPA).