Found 44 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: 79 | Catalog Last Checked: May 05, 2026 at 08:51 PM -
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: 76 | Catalog Last Checked: May 05, 2026 at 08:23 PM -
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: 18 | Catalog Last Checked: May 05, 2026 at 08:50 PM -
This data release comprises over three decades of measurements of sandbar topography for monitoring sites along the Colorado River in Grand Canyon National Park and Glen Canyon National Recreation...
Search relevance: 1.00 | Views last month: 13 | Catalog Last Checked: May 05, 2026 at 09:10 PM -
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: 12 | Catalog Last Checked: May 05, 2026 at 10:18 PM -
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: 9 | Catalog Last Checked: May 05, 2026 at 07:29 PM -
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: 8 | Catalog Last Checked: May 05, 2026 at 07:55 PM -
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: 4 | Catalog Last Checked: May 05, 2026 at 07:58 PM -
This tabular data set contains decadal information on dams compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for the conterminous United States; 1) individual...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: May 05, 2026 at 07:55 PM -
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: 3 | Catalog Last Checked: May 05, 2026 at 09:37 PM -
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: 3 | Catalog Last Checked: May 05, 2026 at 08:17 PM -
These data are a compilation of the characteristics of eddy sandbars, eddy sandbar areas and volumes measured between 1990 and 2015, and longitudinal metrics of the Colorado River in Grand Canyon...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: May 05, 2026 at 09:24 PM -
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: 2 | Catalog Last Checked: May 05, 2026 at 08:04 PM -
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: 2 | Catalog Last Checked: May 05, 2026 at 10:19 PM -
These tabular data are the summarization of human related variables within catchments of the Chesapeake Bay watershed at the 1:24,000 scale using the xstrm methodology. Variables being counted as...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 05, 2026 at 07:57 PM -
This metadata record describes two metrics that quantitatively measure the impact of reservoir storage on every flowline in the NHDPlus version 2 data suite (NHDPlusV2) for the conterminous United...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 05, 2026 at 08:50 PM -
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 | Catalog Last Checked: May 05, 2026 at 07:54 PM -
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 | Catalog Last Checked: May 05, 2026 at 07:55 PM -
Large dams are defined by a dam height >= 10 feet and storage of >= 9.2 acre feet. These larger dams are within the juristiction of Oregon Water Resource Department. Large dams that are not...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: May 05, 2026 at 07:56 PM -
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 | Catalog Last Checked: May 05, 2026 at 07:56 PM
