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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
ATLAS/ICESat-2 L3B Monthly Gridded Dynamic Ocean Topography V001 001 ICESat-2 ATLAS 2018-10-13 to 2021-06-01

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

25 Kilometers x 25 Kilometers HDF5
ATLAS/ICESat-2 L3B Monthly Gridded Dynamic Ocean Topography V002 002 ICESat-2 ATLAS 2018-10-13 to 2022-06-01

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

25 Kilometers x 25 Kilometers HDF5
ATLAS/ICESat-2 L3B Monthly Gridded Dynamic Ocean Topography V004 004 ICESat-2 ATLAS 2018-10-13 to Present

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

25 Kilometers x 25 Kilometers HDF5
ATLAS/ICESat-2 L3B Monthly Gridded Dynamic Ocean Topography V004 004 ICESat-2 ATLAS 2018-10-13 to Present

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

25 Kilometers x 25 Kilometers HDF5
ATLAS/ICESat-2 L3B Monthly Gridded Dynamic Ocean Topography V004 004 ICESat-2 ATLAS 2018-10-13 to Present

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

25 Kilometers x 25 Kilometers HDF5
Autonomous Ocean Sampling Networks (AOSN) second deployment 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 2003-08-02 to Present

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

Autonomous Radiometric Validation of PACE’s OCI in the Gulf of Mexico 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 2023-12-31 to Present

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

AVHRR Global Mapped Eulerian and Lagrangian Oceanography and Ecology Variables Data, version 1 1 NOAA POES, METOP-A AVHRR 2000-01-01 to 2009-12-31

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

netCDF-4
AVISO Level 4 Absolute Dynamic Topography for Climate Model Comparison 1 JASON-1, TOPEX/POSEIDON, ENVISAT, GRACE, OSTM/JASON-2, ERS-1, ERS-2 JASON-1 Microwave Radiometer, POSEIDON-2, TMR, ALT (TOPEX), SSALT, RA-2, GRACE-FO ACC, GRACE SCA, GRACE-FO KBR, AMR, POSEIDON-3, ERS-1 ALTIMETER, ERS-2 Altimeter 1992-10-01 to 2010-12-31

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

1 Decimal Degrees x 1 Decimal Degrees netCDF-4
AVISO Level 4 Absolute Dynamic Topography for Climate Model Comparison Number of Observations 1 JASON-1, TOPEX/POSEIDON, ENVISAT, GRACE, OSTM/JASON-2, ERS-1, ERS-2 JASON-1 Microwave Radiometer, POSEIDON-2, ALT (TOPEX), TMR, SSALT, RA-2, GRACE-FO ACC, GRACE SCA, GRACE-FO KBR, AMR, POSEIDON-3, ERS-1 ALTIMETER, ERS-2 Altimeter 1992-10-01 to 2010-12-30

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

1 Decimal Degrees x 1 Decimal Degrees NETCDF
AVISO Level 4 Absolute Dynamic Topography for Climate Model Comparison Standard Error 1 JASON-1, TOPEX/POSEIDON, ENVISAT, GRACE, OSTM/JASON-2, ERS-1, ERS-2 JASON-1 Microwave Radiometer, POSEIDON-2, ALT (TOPEX), TMR, SSALT, RA-2, GRACE-FO ACC, GRACE SCA, GRACE-FO KBR, AMR, POSEIDON-3, ERS-1 ALTIMETER, ERS-2 Altimeter 1992-10-01 to 2010-12-31

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

1 Decimal Degrees x 1 Decimal Degrees NETCDF
Bass Strait Pre-SWOT Level-4 Hourly MITgcm LLC4320 Native Grid 2km Oceanographic Dataset Version 1.0 1.0 MITgcm Computer 2011-09-13 to 2012-11-15

N: -38.00927 S: -41.99857 E: 147.8438 W: 143.8646

2 Kilometers x 2 Kilometers netCDF-4
Belgium Aqualooks Experiment 2021 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 2021-09-06 to Present

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

Benthic ecology measurements near Panama City and Florida Keys 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 2005-06-27 to Present

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

Bering Ecosystem STudy (BEST) project 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 2008-07-04 to Present

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

Bering Sea measurements in 1995 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 1996-07-21 to Present

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

Bering Sea measurements in 1996 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 1995-07-19 to Present

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

Bermuda Bio-Optics Project (BBOP) 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 1988-10-20 to Present

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

Bermuda Testbed Mooring 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 1999-04-01 to Present

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

Biodiversity Survey of the Cape - Mapping Dissolved Organic Carbon sources and cycling in aquatic biodiversity hotspots across South Africa's Greater Cape Floristic Region 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 2023-10-12 to 2023-11-14

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

Biogeochemistry and Optics South Pacific Experiment 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 2004-10-26 to Present

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

Biological Global Ocean Ship-based Hydrographic Investigations Program (Bio-GO-SHIP) 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 2016-01-01 to Present

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

BiOMAP 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 2022-01-01 to Present

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

Bio-optical chlorophyll-a polarization measurements 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 2013-08-12 to Present

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

Bio-optical properties of the different water masses in the Gulf of St. Lawrence 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 1990-06-28 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.

Discover more from SWOT
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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