• Organization: Department of the Interior
• Updated: 2023-02-22T00:00:00Z

Datasets include hydrogeologic cross section wells within the Red River alluvial aquifer surficial extent, Red River alluvial aquifer base contours and wells, isopach map showing combined...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2012-04-06T00:00:00.000+00:00

The designated areas are a combination of freshwater creeks and rivers and their associated estuaries. In freshwater areas, critical habitat includes the stream channel and a lateral extent as...

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• Organization: Department of the Interior
• Updated: 2020-08-21T00:00:00Z

Human alteration of waterways has impacted the minimum and maximum streamflow in more than 86% of monitored streams nationally and may be the primary cause for ecological impairment in river and...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2022-01-03T00:00:00.000+00:00

The Pearl Harbor Biodiversity Project was funded by the Department of Defense Legacy Program, through the U. S. Navy. The project was performed in two phases. The purpose of the project was to...

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• Organization: State of Connecticut
• Updated: 2021-02-19

Salt Water Limit is a 1:24000-scale, line feature-based layer that depicts the approximate salt water limits of watercourses and embayments in coastal Connecticut. It is important to note that the...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-10

This dataset provides monthly globally gridded freshwater wetland methane emissions from 2001-2018 in nmol CH4 m-2 s-1, g C-CH4 m-2 d-1, and TgCH4 grid cell-1 month-1. The data were derived from a...

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• Organization: Department of the Interior
• Updated: 2021-05-28T00:00:00Z

The Chicot aquifer system underlies an area of approximately 9,500 mi2 in southwestern Louisiana and is located within the Gulf Coastal Plain physiographic province. The region includes all or...

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• Organization: Department of the Interior
• Updated: 2023-02-22T00:00:00Z

Salinity regimes in coastal ecosystems are highly dynamic and driven by complex geomorphic and hydrological processes. Estuarine biota are generally adapted to salinity fluctuation, but are...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2024-09-01T00:00:00.000+00:00

This collaborative bioacoustics research and education effort yielded one of the largest continuous recording data sets of rivers in the world, leading to important management, conservation, and...

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• Organization: Department of the Interior
• Updated: 2021-12-16T00:00:00Z

Ciénegas, as defined here, are wetlands in arid and semi-arid regions associated with groundwater or lotic components that ideally result in perennial waters on temporal scales of decades to...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2009-10-05T00:00:00.000+00:00

Critical habitat in freshwater riverine areas includes the stream channels and a lateral extent as defined by the ordinary high-water line (33 CFR 329.11). In areas for which the ordinary...

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• Organization: Department of the Interior
• Updated: 2022-02-15T00:00:00Z

This dataset provides location information and some limited attributes of known and potential ciénegas in the Madrean Archipelago ecoregion and closely surrounding area. This was created using...

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• Organization: Department of the Interior
• Updated: 2024-10-08T00:00:00Z

This data package contains North Coast and Cascades Network (NCCN) Inventory and Monitoring Program fish assemblages tabular data collected during 1994-2011 in Olympic National Park (OLYM). The...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2019-11-01T00:00:00.000+00:00

These Submerged Aquatic Vegetation data were gathered and utilized during the Response and Assessment phases of the Deepwater Horizon oil spill in the Gulf of Mexico. These data are for the rooted...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2021-10-19

Data for manuscript titled, "Impacts of climate change on estuarine hydrodynamics and implications for hypoxia within a shallow subtropical system". The data is organized by figure. Abstract:...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2025-01-10

Clean Water Act (CWA) coverage extends to certain wetlands, including those with a continuous surface connection to relatively permanent tributaries. However, limited information is available to...

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17

The Water Security Indicator Model - Global Land Data Assimilation System (WSIM-GLDAS) Monthly Grids, Version 1 data set identifies and characterizes surpluses and deficits of freshwater, and the...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-05-01T00:00:00.000+00:00

This layer is intended to represent the geographic extent of NOAA Fisheries’ Juvenile Salmon and Ocean Ecosystem Survey stations. The Juvenile Salmon and Ocean Ecosystem Survey (JSOES) started in...

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• Organization: Department of the Interior
• Updated: 2020-08-27T00:00:00Z

The Indian River Lagoon (IRL) extends for 160 miles along Florida's east coast and is a complex system of three estuaries - Mosquito Lagoon, Banana River Lagoon, and Indian River Lagoon. Two...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2017-01-01T00:00:00.000+00:00

This dataset shows the temporal frequency and spatial extent of cyanobacteria cells in large, freshwater lakes and reservoirs across the continental United States derived from 300x300 meter MEdium...