• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1999-01-01T00:00:00.000+00:00

GEOSAT DATA: Gridded Gravity Anomalies for the Southern Ocean

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1999-01-01T00:00:00.000+00:00

The high density Geosat/GM altimeter data south of 30 S have finally arrived. In addition, ERS-1 has completed more than 6 cycles of its 35-day repeat track. These data provide a dramatically...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1999-01-01T00:00:00.000+00:00

Gravity anomalies and sea surface heights have been computed on a 0.125 degree grid in the ocean areas from a combined GEOS3/SEASAT/GEOSAT altimeter data set. This data base was received in March...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2023-12-07T00:00:00.000+00:00

This collection contains Sensor Data Records (SDRs), Geodetic Data Records (GDRs), Waveform Data Records (WDRs), and Crossover Difference data Records (XDRs) from the GEOSAT Geodetic Mission (GM)...

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

Note: This data set is now on HTTPS so references to CD-ROM are historic and no longer applicable.The Ice Altimetry System (IAS) data seet contains surface elevations of the Antarctic and...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 Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1999-01-01T00:00:00.000+00:00

This satellite altimeter data base contains precise geoid and gravity anomaly profiles which were constructed from the average of 44 repeat cycles of Geosat. The data are contained in two files:...

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

The Antarctic atlas consists of 28 digital elevation maps which cover all of Antarctica north of 72.1 degrees south at a resolution of three kilometers. Each map contains surface elevations and...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2012-10-01T00:00:00.000+00:00

This collection includes the Geophysical Data Record and other supporting data from the US Navy GEOSAT Follow-On (GFO) operational radar altimeter satellite program. NOAA worked together with the...

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

This full color poster of Marine Gravity from GEOSAT over the Southern Ocean is Report MGG-8. In many areas of the global ocean, the depth of the seafloor is not well known because survey lines by...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2016-06-15T00:00:00.000+00:00

Gravity models are powerful tools for mapping tectonic structures, especially in the deep ocean basins where the topography remains unmapped by ships or is buried by thick sediment. We combined...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1986-01-01T00:00:00.000+00:00

The entire collection of GEOSAT ERM (Nov.'86 - Dec. '89) data over land and ice regions is held at the National Geophysical Data Center (NGDC). These data will yield reasonable elevation values...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2022-12-08T00:00:00.000+00:00

This dataset contains global and regional mean sea level time series and trend maps calculated on a continual basis since December 1992 by Laboratory for Satellite Altimetry (LSA), Center for...

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

Southern Greenland ice sheet elevation change estimates are derived from SEASAT and GEOSAT radar altimetry data from 1978 to 1988. Data are confined to 61-72 deg N, 30-50 deg W, above 1700 m...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1999-01-01T00:00:00.000+00:00

This satellite altimeter data base contains precise geoid and gravity anomaly profiles which were constructed from the average of 44 repeat cycles of Geosat. The data are contained in two files:...

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

This data product contains monthly ice sheet elevation change data for Antarctica derived from five radar altimetry missions (Geosat, ERS-1 and -2, Envisat and CryoSat-2) and two laser altimetry...

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

A Digital Elevation Model (DEM), ice thickness grid, and bedrock elevation grid of Greenland, acquired as part of the PARCA program. DEM data are a combination of ERS-1 and Geosat satellite radar...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2022-09-01T00:00:00.000+00:00

Simple Ocean Data Assimilation (SODA) version 2.2.4 - A reanalysis of ocean climate. SODA uses the GFDL modular ocean model version 2.2. The model is forced by observed surface wind stresses...

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

The TOPEX/POSEIDON Geophysical Data Record (GDR) contains global coverage altimeter data. The objective of the TOPEX/POSEIDON mission, launched in August 1992, is to determine ocean topography...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2022-08-27T00:00:00.000+00:00

Simple Ocean Data Assimilation (SODA) version 2.2.4 - A reanalysis of ocean climate. SODA uses the GFDL modular ocean model version 2.2. The model is forced by observed surface wind stresses...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2022-09-01T00:00:00.000+00:00

Simple Ocean Data Assimilation (SODA) version 2.2.4 - A reanalysis of ocean climate. SODA uses the GFDL modular ocean model version 2.2. The model is forced by observed surface wind stresses...

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