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The Watershed Boundary Dataset (WBD) is a comprehensive aggregated collection of hydrologic unit data consistent with the national criteria for delineation and resolution. It defines the areal...
Search relevance: 1.00 | Views last month: 71 | Catalog Last Checked: September 14, 2026 at 12:13 AM -
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: 49 | Catalog Last Checked: September 10, 2026 at 09:17 PM -
The USGS 3D Hydrography Program (3DHP) ArcGIS REST service (3DHP_all) from The National Map is the first of several data services that will be delivered by the 3D Hydrography Program. The...
Search relevance: 1.00 | Views last month: 23 | Catalog Last Checked: September 10, 2026 at 06:42 PM -
This dataset includes stream temperatures from a network of 112 data loggers that was installed in stream channels throughout the Willow/Rock/Frazer watersheds of northern Nevada between July 31...
Search relevance: 1.00 | Views last month: 13 | Catalog Last Checked: September 10, 2026 at 08:50 PM -
The USGS 3D Hydrography Program (3DHP) ArcGIS REST service (3DHP_all) from The National Map is the first of several data services that will be delivered by the 3D Hydrography Program. The...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: September 10, 2026 at 06:39 PM -
U.S.V.I. relative erosion rate by land cover type (2000)
Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: August 02, 2026 at 05:12 PM -
Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National representation of HU...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: September 10, 2026 at 06:41 PM -
This USGS data release contains daily-timestep and monthly-timestep estimates of baseflow at 49 reference stream gages located within 25 miles of the Delaware River basin watershed boundary....
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: September 10, 2026 at 08:41 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: 8 | Catalog Last Checked: September 10, 2026 at 08:47 PM -
Fine-sediment elemental chemistry, short-lived cosmogenic radionuclides (Beryllium-7, Cesium-137, and Lead-210), charcoal counts, and total organic carbon contents were quantified to describe...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: September 10, 2026 at 08:48 PM -
This dataset includes spatial location information from 167 temperature data loggers that were installed throughout the Willow/Rock/Frazer watersheds of northern Nevada between July 30 and August...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: September 10, 2026 at 10:33 PM -
This USGS data release consists of the synthetic stream network and associated catchments used to develop spatially referenced regressions on watershed attributes (SPARROW) model of...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: September 10, 2026 at 10:16 PM -
“Karst” landscapes are characterized by distinctive hydrology and surface features, such as closed depressions, sinkholes, and sinking streams, that result from high rock solubility and...
Search relevance: 1.00 | Views last month: 7 | Catalog Last Checked: September 10, 2026 at 09:27 PM -
This U.S. Geological Survey data release contains datasets that combine past data with future projections of nitrogen sources and nitrogen export to the Chesapeake Bay watershed for the years...
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This high-level metadata data document will be supplemented with detailed regional metadata at a later date. The NHDPlusV2 is an integrated suite of application-ready geospatial data sets that...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: August 03, 2026 at 05:00 AM -
Lidar Digital Elevation Models (DEMs) at 2-meter resolution have been used to derive watershed boundaries for the State of Maine. Geographic Information Systems (GIS) software was used to...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: September 10, 2026 at 10:19 PM -
Here, we provide the first global geodatabase of non-floodplain wetlands. We incorporate the recent development of a high-resolution global floodplain mapping algorithm based on digital terrain...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: September 10, 2026 at 06:59 PM -
This dataset includes stream temperatures from a network of 100 data loggers that was installed throughout the Willow-Whitehorse watershed of SE Oregon in September 2014, as well as 10 additional...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: September 10, 2026 at 08:41 PM -
Reactive nitrogen is transported from the atmosphere to the landscape as wet and dry deposition that contributes to annual nitrogen loads to the Chesapeake Bay. Estimates of atmospheric inorganic...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: September 10, 2026 at 10:10 PM
