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Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in rivers across the Chesapeake Bay watershed have been calculated using monitoring data from the Chesapeake Bay Nontidal...
Search relevance: 1.00 | Views last month: 17 | Catalog Last Checked: September 10, 2026 at 08:54 PM -
This dataset contains the physical collection information (e.g., sample location, date, gear type) and microsatellite DNA genotype of egg and larval Lake Sturgeon collected in the St. Clair and...
Search relevance: 1.00 | Views last month: 17 | Catalog Last Checked: September 10, 2026 at 09:00 PM -
This data release contains time-lapse self-potential, electric resistivity tomography, hydrographic, and weather data acquired during a geoelectric monitoring survey of the lower Rio Grande...
Search relevance: 1.00 | Views last month: 16 | Catalog Last Checked: September 10, 2026 at 09:42 PM -
The Northeast Temperate Network (NETN) monitors water quality and water quantity at 9 national park sites to document the status and trends of their lake, pond, and stream resources. NPS...
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These are genetic data collected from over 700 individual coho salmon (Oncorhynchus kisutch) from 17 streams and rivers within Glacier Bay Alaska and 2 rivers outside the bay. Data collected from...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: September 10, 2026 at 08:24 PM -
High-resolution river centerlines vector shapefiles has 50 large rivers across the world. This high-resolution layer was generated will enable researchers to identify accurate river length, from...
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The Savannah Harbor Expansion Project (SHEP) began in January 2015 with the purpose of deepening the Savannah Harbor federal shipping channel to allow access to larger shipping vessels (U.S. Army...
Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: September 10, 2026 at 09:11 PM -
The data in this layer are from an unpublished report produced by the Bigelow Laboratory. The source project was conducted primarily to examine contaminant distributions, but also produced...
Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: September 10, 2026 at 09:52 PM -
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in major rivers across the Chesapeake Bay watershed were calculated using monitoring data from the Chesapeake Bay River...
Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: September 10, 2026 at 08:25 PM -
For a thorough discussion of the purpose, design and management of the Vermont River Corridors dataset, please see the "Vermont DEC Flood Hazard Area and River Corridor Protection Procedures...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: September 10, 2026 at 05:51 PM -
Analytical and field sampling data for each 2018-2019 NRSA Fish Tissue Study chemical contaminant are provided, along with a data dictionary that describes the contents of each data file. All...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: September 10, 2026 at 06:59 PM -
These data include dissolved silicon concentration and yield from 60 rivers across North America, the Caribbean, and Antarctica from 1964-2021 and are associated with the publication âLong-term...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: September 10, 2026 at 08:47 PM -
This dataset provides timeseries of model input and output data This dataset is part of a larger data release of inputs and outputs from a model to predict light at the stream surface and within...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: September 10, 2026 at 08:30 PM -
The 3D Hydrography Program (3DHP) data is an integrated, National, 3D-enabled hydrologic dataset derived from the USGS 3D Elevation Program (3DEP) data. For areas where Elevation-derived...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: September 10, 2026 at 09:07 PM -
The National Rivers and Streams Assessment (NRSA) is a statistical survey of the condition of our nation's perennial rivers and streams. It is designed to provide information on the extent of...
Search relevance: 1.00 | Views last month: 7 | Catalog Last Checked: September 10, 2026 at 07:01 PM -
This dataset provides information on site identifiers, location information, and model parameters. The format is a tab-delimted file with 1 row per site. This dataset is part of a larger data...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: September 10, 2026 at 09:12 PM -
This dataset is four tables with: 1) the body condition and egg counts of Sockeye Salmon captured at several sites along the Pilgrim River 2013-2016, 2) water temperature from 10 automated...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: September 10, 2026 at 08:26 PM -
This dataset represents the water trails along the Lewis and Clark National Historic Trail. Lewis and Clarkâs legendary expedition would not have been possible had they not been able to navigate...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: September 10, 2026 at 07:15 PM -
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. This dataset provides the Tier II catchments delineated for the most downstream Tier II segment. This...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: September 10, 2026 at 06:49 PM
