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Ocean Data Access and Tools

NASA data span the geophysical parameters that characterize the global ocean and the physical processes operating within its depths and at its surface. Our datasets and tools help researchers translate these interconnected data points into actionable knowledge.

Visit Ocean Learning Resources to better understand the metadata for each data collection.

Ocean Datasets

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Dataset Version Platform Instrument Temporal Extent Spatial Extent Spatial Resolution Data Format
GRACE NON-TIDAL OCEAN GEOPOTENTIAL COEFFICIENTS GFZ RELEASE 6.0 GAB 6.0 GRACE 2002-04-05 to 2017-07-01

N: 88 S: -88 E: 180 W: -180

500 Kilometers x 500 Kilometers ASCII
GRACE NON-TIDAL OCEAN GEOPOTENTIAL COEFFICIENTS JPL RELEASE 6.0 GAB 6.0 GRACE KBR 2002-04-04 to 2017-06-30

N: 88 S: -88 E: 180 W: -180

500 Kilometers x 500 Kilometers ASCII
GRACE OCEAN BOTTOM GEOPOTENTIAL COEFFICIENTS CSR RELEASE 6.0 GAD 6.0 GRACE 2002-04-05 to 2017-06-30

N: 88 S: -88 E: 180 W: -180

500 Kilometers x 500 Kilometers ASCII
GRACE OCEAN BOTTOM GEOPOTENTIAL COEFFICIENTS GFZ RELEASE 6.0 GAD 6.0 GRACE 2002-04-05 to 2017-07-01

N: 88 S: -88 E: 180 W: -180

500 Kilometers x 500 Kilometers ASCII
GRACE OCEAN BOTTOM GEOPOTENTIAL COEFFICIENTS JPL RELEASE 6.0 GAD 6.0 GRACE 2002-04-04 to 2017-06-30

N: 88 S: -88 E: 180 W: -180

500 Kilometers x 500 Kilometers ASCII
GRACE/GRACE-FO Level-4 Monthly Global Ocean Mass Anomaly version 01 from NASA MEaSUREs HOMaGE project 1.0 GRACE-FO, GRACE 2002-04-17

N: 90 S: -90 E: 180 W: -180

360 Decimal Degrees x 180 Decimal Degrees netCDF-4
GRACE/GRACE-FO Level-4 Monthly Gravitational-Rotational-Deformation version 01 from NASA MEaSUREs HOMaGE 1.0 GRACE-FO, GRACE GRACE-FO MWI, GRACE INTERFEROMETER 2002-04-16 to Present

N: 90 S: -90 E: 180 W: -180

0.5 Decimal Degrees x 0.5 Decimal Degrees netCDF-4
Great Belt research cruise in the Southern Ocean 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 2011-01-13 to Present

N: 90 S: -90 E: 180 W: -180

Great Lakes Ocean Color Validation 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 2025-01-01 to Present

N: 90 S: -90 E: 180 W: -180

Gridded Altimeter Fields with Enhanced Coastal Coverage 1 OSTM/JASON-2, TOPEX/POSEIDON, JASON-1 POSEIDON-3, SSALT, POSEIDON-2 1992-10-14 to 2012-04-18

N: 48.5 S: 35.25 E: 180 W: -111.5

,

N: 48.5 S: 35.25 E: -132.25 W: -180

0.25 Decimal Degrees x 0.25 Decimal Degrees netCDF-4
Gridded Altimeter Fields with Enhanced Coastal Coverage Daily 1 OSTM/JASON-2, TOPEX/POSEIDON, JASON-1 POSEIDON-3, SSALT, POSEIDON-2 1992-10-14 to 2011-01-19

N: 49 S: 35 E: -111 W: -133

0.25 Decimal Degrees x 0.25 Decimal Degrees netCDF-4
GRIP HURRICANE IMAGING RADIOMETER (HIRAD) V1 1 NASA WB-57F HIRAD 2010-09-01 to 2010-09-16

N: 30.1404 S: 18.2751 E: -71.0313 W: -95.5915

netCDF-3
Gross Primary Production Maps of Tidal Wetlands across Conterminous USA, 2000-2019 1 Terra, MODELS MODIS, Computer 2000-03-05 to 2019-11-17

N: 47.6967 S: 23.5017 E: -65.9019 W: -128.026

GeoTIFF
Groundswell Africa Spatial Population and Migration Projections at One-Eighth Degree According to SSPs and RCPs, 2010-2050 1.00 MODELS Computer 2010-01-01 to 2050-12-31

N: 37.21 S: -34.51 E: 51.27 W: -17.33

Geodatabase
Groundswell Spatial Population and Migration Projections at One-Eighth Degree According to SSPs and RCPs, 2010-2050 1.00 MODELS Computer 2010-01-01 to 2050-12-31

N: 56 S: -56 E: 180 W: -180

Geodatabase, GeoPackage, PDF, PNG
Gulf of Alaska measurements in 1997 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 1997-10-10 to Present

N: 90 S: -90 E: 180 W: -180

Gulf of California (GOC) measurements in 2003 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 2003-02-19 to Present

N: 90 S: -90 E: 180 W: -180

Gulf of California long-term sampling program 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 1995-11-29 to Present

N: 90 S: -90 E: 180 W: -180

Gulf of Guinea climate and ocean circulation study (EGEE) project - Gulf of Guinea off of west-central Africa 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 2006-05-29 to Present

N: 90 S: -90 E: 180 W: -180

Gulf of Guinea climate and ocean circulation study (EGEES) 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 2007-06-06 to Present

N: 90 S: -90 E: 180 W: -180

Gulf of Maine measurements in 2007 under the BIODIVERSITY program 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 2007-04-26 to Present

N: 90 S: -90 E: 180 W: -180

Gulf of Maine measurements in 2008 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 2008-04-07 to Present

N: 90 S: -90 E: 180 W: -180

Gulf of Maine North Atlantic Time Series (GNATS) 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 2001-06-26 to Present

N: 90 S: -90 E: 180 W: -180

Gulf of Maine nutrient measurements from 1933 to 1991 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 1933-09-05 to Present

N: 90 S: -90 E: 180 W: -180

Gulf of Maine optical measurements between 2004 and 2007 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 2005-06-08 to Present

N: 90 S: -90 E: 180 W: -180

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Surface Water and Ocean Topography (SWOT) Platform

SWOT provides detailed surface topography and monitors water body changes over time. The platform enables high-resolution ocean monitoring at 15-150 km spatial scales, tracking ocean currents, coastal dynamics, storm surges, and regional sea level changes. On land, SWOT measures water storage changes in lakes, reservoirs, rivers, and wetlands, supporting river discharge estimates for water resource assessment.

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Earthdata grapic identifier on patterned background

SWOT Swath Visualizer

The Surface Water and Ocean Topography (SWOT) Swath Visualizer provides a visualization of two instruments’ coverage of Earth's surface: the Ka-band Radar Interferometer and altimeter.

Ocean Data Tools

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Tool Description Services
SOTO State of the Ocean (SOTO) is an interactive web-based tool that generates informative maps, animations, and plots that communicate and prove the discovery and analysis of the state of the oceans. Analysis, Search and Discovery, Visualization
STREAM STREAM is a rapid water quality monitoring tool that processes satellite imagery to create maps showing chlorophyll-a, Total Suspended Solids, and water clarity at 20-30 meter resolution. Processing
SWOT Swath Visualizer The Surface Water and Ocean Topography (SWOT) Swath Visualizer provides a visualization of two instruments’ coverage of Earth's surface: the Ka-band Radar Interferometer and altimeter. Analysis, Data Curation, Visualization
Worldview Worldview offers the capability to interactively browse over 1,200 global, full-resolution satellite imagery layers and download the underlying data. Analysis, Search and Discovery, Visualization, Access, Comparison, Monitoring Natural Events
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