• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

Note: This data set is now on HTTPS so references to CD-ROM are historic and no longer applicable.The Ice Altimetry System (IAS) data seet contains surface elevations of the Antarctic and...

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

This data set contains 3 m gridded snow depths derived from airborne light detection and ranging, or lidar, measurements of surface elevations. The data were collected as part of the NASA/JPL...

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

This data set contains 50 m gridded snow depths derived from airborne light detection and ranging, or lidar, measurements of surface elevations. The data were collected as part of the NASA/JPL...

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

This data set provides 3 m gridded, bare-earth elevations (excluding trees) that are used as the baseline for the Airborne Snow Observatory (ASO) snow-on products. The data were collected during...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1988-01-01T00:00:00.000+00:00

This version has been superseded by a newer version. It is highly recommended for users to access the current version. Users should only access this superseded version for special cases, such as...

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

The Low Elevation Coastal Zone (LECZ) Urban-Rural Population and Land Area Estimates, Version 2 data set consists of country-level estimates of urban population, rural population, total population...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

This dataset contains water surface elevations at selected point locations generated from the AirSWOT data collected during the Spring and Fall 2021 Delta-X deployments over the Atchafalaya and...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

This dataset provides water surface elevations over the Wax Lake Delta in the Atchafalaya Basin in coastal Louisiana, USA, in May 2015. These Level 2 (L2) data were collected by AirSWOT, an...

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• Organization: Department of the Interior
• Updated: 2023-12-20T00:00:00Z

Rockdale County Department of Water Resources (RCDWR) has a mission to update estimates of the reservoir storage capacity of Randy Poynter Lake in northern Georgia and to assess recent...

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• Organization: Department of the Interior
• Updated: 2018-02-01T00:00:00Z

The Version 1 AMSR-E/2 Rain-on-Snow Data Record (ROS) was generated from daily brightness temperatures (Tb) at vertically and horizontally polarized 36.5 GHz and 18.7 GHz from the Advanced...

• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

This dataset contains 50m horizontal resolution gridded digital elevation models (DEMs) of Greenland Ice Sheet outlet glaciers collected during the NASA Oceans Melting Greenland mission. Between...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1998-06-06T00:00:00.000+00:00

Bathymetry for the Umpqua River was derived from three surveys containing 10,216 soundings. No surveys were omitted. The average separation between soundings was 48 meters. All the surveys dated...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1998-06-06T00:00:00.000+00:00

Bathymetry for Matagorda Bay was derived from twenty-three surveys containing 250,396 soundings. Six overlapping, older, less accurate surveys were omitted, and the overlap from six older surveys...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2018-02-26T00:00:00.000+00:00

A 1/3 arc-second Mean Lower Low Water bathymetric DEM of NOS hydrographic survey data in Monterey Bay.

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2018-03-30T00:00:00.000+00:00

A 1/3 arc-second Mean Lower Low Water bathymetric DEM of NOS hydrographic survey data in Saco Bay.

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2018-02-15T00:00:00.000+00:00

A 1/3 arc-second Mean Lower Low Water bathymetric DEM of NOS hydrographic survey data in Bar Harbor, ME.

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2018-02-02T00:00:00.000+00:00

A 1/3 arc-second Mean Lower Low Water bathymetric DEM of NOS hydrographic survey data in Perdido Bay

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1998-06-06T00:00:00.000+00:00

Bathymetry for Sheepscot Bay was derived from nineteen surveys containing 173,929 soundings. One survey was omitted before tinning the data. The average separation between the soundings was 25...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2018-01-03T00:00:00.000+00:00

A 1/3 arc-second Mean Lower Low Water bathymetric DEM of NOS hydrographic survey data in San Francisco Bay.

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1998-06-06T00:00:00.000+00:00

Bathymetry for Mobile Bay was derived from twenty-three surveys containing 173,661 soundings. Older, overlapping, less accurate surveys were deleted. The average separation between surveys was 79...

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