Found 30 datasets matching filters.
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The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage...
Search relevance: 1.00 | Views last month: 14 | Published on: 2026-03-03 -
The High Resolution National Hydrography Dataset Plus (NHDPlus HR) is an integrated datset of geospatial data layers, including the most current National Hydrography Dataset (NHD),...
Search relevance: 1.00 | Views last month: 8 | Published on: 2026-03-03 -
This dataset contains values of normal reservoir storage in units of acre-feet per km2, for three time periods: 1992, 2002, and 2012. Values are derived from a slightly-modified version of the...
Search relevance: 1.00 | Views last month: 3 | Published on: 2026-03-03 -
This data release comprises nearly three decades of measurements of sandbar topography for monitoring sites along the Colorado River in Grand Canyon National Park and Glen Canyon National...
Search relevance: 1.00 | Views last month: 3 | Published on: 2026-03-03 -
These data were compiled to model the area of exposed, bare sand along 168 km of the Colorado River between Glen Canyon Dam and Bright Angel Creek, Arizona. Objective(s) of our study were to...
Search relevance: 1.00 | Views last month: 2 | Published on: 2026-03-03 -
Fish passage barriers include both natural and artificial obstructions that either block or impede fish passage or have the potential to block or impede fish passage. Barriers must be channel...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-01-27 -
Fish passage barriers include both natural and artificial obstructions that either block or impede fish passage or have the potential to block or impede fish passage. Barriers must be channel...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-01-27 -
Fish passage barriers include both natural and artificial obstructions that either block or impede fish passage or have the potential to block or impede fish passage. Barriers must be channel...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-01-27 -
This is a point coverage of dams in the United States and Puerto Rico, which originally was derived from the national inventory of dams data base (U.S. Army Corps of Engineers, 1982). The...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-07 -
Fish passage barriers include both natural and artificial obstructions that either block or impede fish passage or have the potential to block or impede fish passage. Barriers must be channel...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-01-27 -
This project addresses how to expand the current fish-tracking technologies to enable the fisheries community to successfully carry out the actions, research, and monitoring activities outlined in...
Search relevance: 1.00 | Views last month: 0 | Published on: 2025-12-20 -
Recent research has attributed major flood events with the upstream spread of invasive carp in the Mississippi River. In two sequential years, the upper Mississippi River experienced a low water...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
The Passage Assessment Database (PAD) geospatial file contains locations of known and potential barriers to salmonid migration in California streams with additional information about each record....
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-02-26 -
These benthic macroinvertebrate data and associated site characteristics were compiled for the purpose of exploring any relationships between large dams in the Colorado River Basin, their flow...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
Connecticut Dams is a 1:24,000 scale spatial data developed for use by the Dam Safety Section of the Inland Water Resources Division, Bureau of Water Protection and Land Reuse, Department of...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-02-21 -
These data are a compilation of fishway structures collected by the Atlantic States Marine Fisheries Commission state representatives at the request of the U.S. Geological Survey. The variables...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
This CSV file contains 21 dam metrics representing stream fragmentation and flow alteration for nearly 2.3 million stream reaches in the conterminous USA. Dam metrics fall into four main...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
This project addresses how to expand the current fish-tracking technologies to enable the fisheries community to successfully carry out the actions, research, and monitoring activities outlined in...
Search relevance: 1.00 | Views last month: 0 | Published on: 2025-12-20 -
This USGS data release includes a comma separated value (CSV) file that contains 19 reach-based dam metrics representing stream fragmentation and flow alteration for nearly 2.3 million stream...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03