• Organization: Department of the Interior
• Updated: 2020-11-17T00:00:00Z

This file contains hydrologic unit boundaries and codes for the conterminous United States along with Alaska, Hawaii, Puerto Rico and the U.S. Virgin Islands. It was revised for inclusion in the...

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• Organization: Department of the Interior
• Updated: 2020-11-17T00:00:00Z

This data set has been superseded by huc2m. This file contains hydrologic unit boundaries and codes for the conterminous United States along with Alaska, Hawaii, Puerto Rico and the U.S. Virgin...

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• Organization: Department of Transportation
• Updated: 2020-10-27T00:00:00.000+00:00

The North American Roads dataset was compiled on October 27, 2020 from the Bureau of Transportation Statistics (BTS) and is part of the U.S. Department of Transportation (USDOT)/Bureau of...

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• Organization: Department of Energy
• Updated: 2025-01-22T17:46:35Z

WIND Toolkit Long-term Ensemble Dataset (WTK-LED), an updated version of the meteorological WIND Toolkit, is a meteorological dataset providing high-resolution time series, including interannual...

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• Organization: Department of Energy
• Updated: 2024-10-01T22:40:03Z

This dataset contains global onshore and offshore wind supply curves based on a resource assessment performed at the National Renewable Energy Laboratory (NREL) based on the National Center for...

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• Organization: Department of the Interior
• Updated: 2023-01-31T00:00:00Z

The dataset provides point locations of many boat ramp locations in the United States accessible to the public.

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1994-01-01T00:00:00.000+00:00

Tsunami is a Japanese word meaning harbor wave. It is a water wave or a series of waves generated by an impulsive vertical displacement of the surface of the ocean or other body of water. This...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2012-09-01T00:00:00.000+00:00

These data represent Next-Generation Radar (NEXRAD) and Terminal Doppler Weather Radar (TDWR) weather radar stations within the US. The NEXRAD radar stations are maintained and operated by the...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2007-03-12T00:00:00.000+00:00

Mussel Watch represents the longest running continuous contaminant monitoring program in U.S. coastal and Great Lakes waters and was created in response to concerns over environmental quality of...

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• Organization: Department of the Interior
• Updated: 2023-04-07T00:00:00Z

This sampling frame is a set of grid-based, finite-area frames spanning the offshore areas surrounding Canada, the United States, and Mexico, and is intended for use with the North American Bat...

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• Organization: Department of the Interior
• Updated: 2023-01-25T00:00:00Z

The USGS Geomagnetism Program operates a network of magnetic observatories that collect vector and scalar magnetometer data for use in Earth main-field modeling, geophysics research, space physics...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2016-05-11T00:00:00.000+00:00

The National Environmental Policy Act (NEPA) was the first major environmental law in the United States and established national environmental policies for the country. NEPA mandates federal...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2021-12-10T00:00:00.000+00:00

The U.S. Climate Reference Network (USCRN) was designed to monitor the climate of the United States using research quality instrumentation located within representative pristine environments. This...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1962-08-28T00:00:00.000+00:00

The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe navigation and to provide...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-04-30T23:25:21.000+00:00

Nutrient data were obtained from the Bio-ORACLE project and represent a long-term composite of data from 2000 to 2014. The map layer represents mean phosphate concentration (micromoles per liter)...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-04-30T23:24:58.000+00:00

Nutrient data were obtained from the Bio-ORACLE project and represent a long-term composite of data from 2000 to 2014. The map layer represents mean nitrate concentration (micromoles per liter) in...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-04-30T23:25:43.000+00:00

Nutrient data were obtained from the Bio-ORACLE project and represent a long-term composite of data from 2000 to 2014. The map layer represents mean silicate concentration (micromoles per liter)...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1957-12-01T00:00:00.000+00:00

The Ozone and Water Vapor Group is part of NOAA's Global Monitoring Laboratory (GML) in Boulder, CO. The Ozone Water Vapor Group conducts research on the nature and causes of the depletion of the...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2003-11-10T00:00:00.000+00:00

The mapped data derived from AVHRR is divided into files for CoastWatch regions of interest. Each file contains multiple data variables stored using the HDF-4 Scientific Data Sets (SDS) model. The...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2002-01-01T00:00:00.000+00:00

Water quality observations made over long time periods can provide important feedback to scientists and to local, state, and national resource managers about actions taken to manage, protect, and...

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