• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2022-09-03T00:00:00.000+00:00

This dataset has daily Dynamic Height data (a measure of the elevation of the sea level, calculated by integrating the specific volume anomaly of the sea water between the sea surface and 500 m...

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

A nationwide listing of known publicly available high-accuracy topographic and bathymetric source elevation data for the United States and its territories. The inventory provides a single resource...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2022-09-02T00:00:00.000+00:00

This dataset has monthly Dynamic Height data (a measure of the elevation of the sea level, calculated by integrating the specific volume anomaly of the sea water between the sea surface and 500 m...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2022-09-03T00:00:00.000+00:00

This dataset has 5-day Dynamic Height data (a measure of the elevation of the sea level, calculated by integrating the specific volume anomaly of the sea water between the sea surface and 500 m...

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• Organization: Department of the Interior
• Updated: 2024-03-14T00:00:00Z

The Global Multi-resolution Terrain Elevation Data 2010 (GMTED2010) provides a new level of detail in global topographic data. Previously, the best available global DEM was GTOPO30 with a...

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

The ASTGTM.002 dataset was decommissioned as of August 5, 2019. Users are encouraged to use the new improved [ASTGTM.003](https://doi.org/10.5067/ASTER/ASTGTM.003) dataset.The ASTER Global Digital...

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• Organization: Department of the Interior
• Updated: 2025-02-14T00:00:00Z

This is a tiled collection of the 3D Elevation Program (3DEP) and is one meter resolution. The 3DEP data holdings serve as the elevation layer of The National Map, and provide foundational...

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• Organization: Department of the Interior
• Updated: 2025-02-14T00:00:00Z

This is a tiled collection of the 3D Elevation Program (3DEP) and is 1/3 arc-second (approximately 10 m) resolution. The 3DEP data holdings serve as the elevation layer of The National Map, and...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2023-01-01T00:00:00.000+00:00

NOAA Southeast AK Topobathymetric Lidar data were collected by NV5 Geospatial (NV5) using Leica Hawkeye 4X and Riegl 1560i systems and delivered to NOAA in four blocks. The NOAA Southeast AK...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2023-01-01T00:00:00.000+00:00

NOAA Southeast AK Topobathymetric Lidar data were collected by NV5 Geospatial (NV5) using Leica Hawkeye 4X and Riegl 1560i systems and delivered to NOAA in four blocks. The NOAA Southeast AK...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2023-01-01T00:00:00.000+00:00

NOAA Finger Lakes Topobathymetric lidar project data were collected by National Oceanic and Atmospheric Administration (NOAA) using a Riegl VQ-880-G sensor system. The NOAA Finger Lakes...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2023-01-01T00:00:00.000+00:00

NOAA Finger Lakes Topobathymetric lidar project data were collected by National Oceanic and Atmospheric Administration (NOAA) using a Riegl VQ-880-G sensor system. The NOAA Finger Lakes...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2023-09-01T00:00:00.000+00:00

Many different partners and groups, and several Center-led data projects, have contributed to the lidar data collection housed and distributed by the NOAA Office for Coastal Management. The data...

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• Organization: Department of the Interior
• Updated: 2025-06-25T00:00:00Z

This metadata record describes a series of data sets of natural and anthropogenic landscape features linked to NHDPlus Version 2.1’s (NHDPlusV2) approximately 2.7 million stream segments, their...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2017-09-01T00:00:00.000+00:00

Within the NOAA National Ocean Service (NOS), the NOAA National Geodetic Survey (NGS) has a federal mandate to provide accurate positioning, including heights, to all federal non-military mapping...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2023-09-15T00:00:00.000+00:00

Marine Trackline Geophysical data represented within the side-scan sonar data are from towed instruments closer to the seafloor that use sound to image features on the ocean floor. This technique...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2023-09-15T00:00:00.000+00:00

Marine Trackline Geophysical data represented by sub-bottom seismic data, which we sometimes also call chirp (based on its operating mode), uses a 3.5 kHz operating frequency. Research vessels use...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2023-09-15T00:00:00.000+00:00

Marine Trackline Geophysical data represented by the M77 tag are inclusive of singlebeam bathymetry, marine magnetic, and gravity data and were collected during marine cruises from 1933 to the...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2023-09-15T00:00:00.000+00:00

Originally designed for military use, the multibeam echosounder has proved very useful for nautical charting, oceanographic research and modeling, habitat classification, maritime commerce, and...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2023-09-15T00:00:00.000+00:00

This data set contains bathymetry, magnetic, gravity and seismic shot point navigation data collected during marine cruises from 1939 to the present. Coverage is worldwide. These data are stored...

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