We are in the process of migrating all NASA Earth science data sites into Earthdata from now until end of 2026. Not all NASA Earth science data and resources will appear here until then. Thank you for your patience as we make this transition.
Read about the Web Unification Project
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.
Ocean Datasets
| Dataset Sort descending | Version | Platform | Instrument | Temporal Extent | Spatial Extent | Spatial Resolution | Data Format |
|---|---|---|---|---|---|---|---|
| Aquarius Official Release Level 3 Sea Surface Salinity Standard Mapped Image Ascending Daily Data V5.0 | 5.0 | Aquarius_SAC-D | AQUARIUS_RADIOMETER, AQUARIUS_SCATTEROMETER | 2011-08-25 to 2015-06-07 |
N: 90 S: -90 E: 180 W: -180 |
1 Decimal Degrees x 1 Decimal Degrees | HDF5 |
| Aquarius Official Release Level 3 Sea Surface Salinity Standard Mapped Image Ascending Mission Cumulative Data V5.0 | 5.0 | Aquarius_SAC-D | AQUARIUS_RADIOMETER, AQUARIUS_SCATTEROMETER | 2011-08-25 to 2015-06-07 |
N: 90 S: -90 E: 180 W: -180 |
1 Decimal Degrees x 1 Decimal Degrees | HDF5 |
| Aquarius Official Release Level 3 Sea Surface Salinity Standard Mapped Image Ascending Monthly Climatology Data V5.0 | 5.0 | Aquarius_SAC-D | AQUARIUS_RADIOMETER, AQUARIUS_SCATTEROMETER | 2011-08-25 to 2015-06-07 |
N: 90 S: -90 E: 180 W: -180 |
1 Decimal Degrees x 1 Decimal Degrees | HDF5 |
| Aquarius Official Release Level 3 Sea Surface Salinity Standard Mapped Image Ascending Monthly Data V5.0 | 5.0 | Aquarius_SAC-D | AQUARIUS_RADIOMETER, AQUARIUS_SCATTEROMETER | 2011-08-25 to 2015-06-07 |
N: 90 S: -90 E: 180 W: -180 |
1 Decimal Degrees x 1 Decimal Degrees | HDF5 |
| Aquarius Official Release Level 3 Sea Surface Salinity Standard Mapped Image Ascending Seasonal Climatology Data V5.0 | 5.0 | Aquarius_SAC-D | AQUARIUS_RADIOMETER, AQUARIUS_SCATTEROMETER | 2011-08-25 to 2015-06-07 |
N: 90 S: -90 E: 180 W: -180 |
1 Decimal Degrees x 1 Decimal Degrees | HDF5 |
| Aquarius Official Release Level 3 Sea Surface Salinity Standard Mapped Image Ascending Seasonal Data V5.0 | 5.0 | Aquarius_SAC-D | AQUARIUS_RADIOMETER, AQUARIUS_SCATTEROMETER | 2011-08-25 to 2015-06-07 |
N: 90 S: -90 E: 180 W: -180 |
1 Decimal Degrees x 1 Decimal Degrees | HDF5 |
| Aquarius Official Release Level 3 Sea Surface Salinity Standard Mapped Image Daily Data V5.0 | 5.0 | Aquarius_SAC-D | AQUARIUS_RADIOMETER, AQUARIUS_SCATTEROMETER | 2011-08-25 to 2015-06-07 |
N: 90 S: -90 E: 180 W: -180 |
1 Decimal Degrees x 1 Decimal Degrees | HDF5 |
| Aquarius Official Release Level 3 Sea Surface Salinity Standard Mapped Image Descending 28-Day Running Mean Data V5.0 | 5.0 | Aquarius_SAC-D | AQUARIUS_RADIOMETER, AQUARIUS_SCATTEROMETER | 2011-08-25 to 2015-06-07 |
N: 90 S: -90 E: 180 W: -180 |
1 Decimal Degrees x 1 Decimal Degrees | HDF5 |
| Aquarius Official Release Level 3 Sea Surface Salinity Standard Mapped Image Descending 7-Day Data V5.0 | 5.0 | Aquarius_SAC-D | AQUARIUS_RADIOMETER, AQUARIUS_SCATTEROMETER | 2011-08-25 to 2015-06-07 |
N: 90 S: -90 E: 180 W: -180 |
1 Decimal Degrees x 1 Decimal Degrees | HDF5 |
| Aquarius Official Release Level 3 Sea Surface Salinity Standard Mapped Image Descending Annual Data V5.0 | 5.0 | Aquarius_SAC-D | AQUARIUS_RADIOMETER, AQUARIUS_SCATTEROMETER | 2011-08-25 to 2015-06-07 |
N: 90 S: -90 E: 180 W: -180 |
1 Decimal Degrees x 1 Decimal Degrees | HDF5 |
| Aquarius Official Release Level 3 Sea Surface Salinity Standard Mapped Image Descending Daily Data V5.0 | 5.0 | Aquarius_SAC-D | AQUARIUS_RADIOMETER, AQUARIUS_SCATTEROMETER | 2011-08-25 to 2015-06-07 |
N: 90 S: -90 E: 180 W: -180 |
1 Decimal Degrees x 1 Decimal Degrees | HDF5 |
| Aquarius Official Release Level 3 Sea Surface Salinity Standard Mapped Image Descending Mission Cumulative Data V5.0 | 5.0 | Aquarius_SAC-D | AQUARIUS_RADIOMETER, AQUARIUS_SCATTEROMETER | 2011-08-25 to 2015-06-07 |
N: 90 S: -90 E: 180 W: -180 |
1 Decimal Degrees x 1 Decimal Degrees | HDF5 |
| Aquarius Official Release Level 3 Sea Surface Salinity Standard Mapped Image Descending Monthly Climatology Data V5.0 | 5.0 | Aquarius_SAC-D | AQUARIUS_RADIOMETER, AQUARIUS_SCATTEROMETER | 2011-08-25 to 2015-06-07 |
N: 90 S: -90 E: 180 W: -180 |
1 Decimal Degrees x 1 Decimal Degrees | HDF5 |
| Aquarius Official Release Level 3 Sea Surface Salinity Standard Mapped Image Descending Monthly Data V5.0 | 5.0 | Aquarius_SAC-D | AQUARIUS_RADIOMETER, AQUARIUS_SCATTEROMETER | 2011-08-25 to 2015-06-07 |
N: 90 S: -90 E: 180 W: -180 |
1 Decimal Degrees x 1 Decimal Degrees | HDF5 |
| Aquarius Official Release Level 3 Sea Surface Salinity Standard Mapped Image Descending Seasonal Climatology Data V5.0 | 5.0 | Aquarius_SAC-D | AQUARIUS_RADIOMETER, AQUARIUS_SCATTEROMETER | 2011-08-25 to 2015-06-07 |
N: 90 S: -90 E: 180 W: -180 |
1 Decimal Degrees x 1 Decimal Degrees | HDF5 |
| Aquarius Official Release Level 3 Sea Surface Salinity Standard Mapped Image Descending Seasonal Data V5.0 | 5.0 | Aquarius_SAC-D | AQUARIUS_RADIOMETER, AQUARIUS_SCATTEROMETER | 2011-08-25 to 2015-06-07 |
N: 90 S: -90 E: 180 W: -180 |
1 Decimal Degrees x 1 Decimal Degrees | HDF5 |
| Aquarius Official Release Level 3 Sea Surface Salinity Standard Mapped Image Mission Cumulative Data V5.0 | 5.0 | Aquarius_SAC-D | AQUARIUS_RADIOMETER, AQUARIUS_SCATTEROMETER | 2011-08-25 to 2015-06-07 |
N: 90 S: -90 E: 180 W: -180 |
1 Decimal Degrees x 1 Decimal Degrees | HDF5 |
| Aquarius Official Release Level 3 Sea Surface Salinity Standard Mapped Image Monthly Climatology Data V5.0 | 5.0 | Aquarius_SAC-D | AQUARIUS_RADIOMETER, AQUARIUS_SCATTEROMETER | 2011-08-25 to 2015-06-07 |
N: 90 S: -90 E: 180 W: -180 |
1 Decimal Degrees x 1 Decimal Degrees | HDF5 |
| Aquarius Official Release Level 3 Sea Surface Salinity Standard Mapped Image Monthly Data V5.0 | 5.0 | Aquarius_SAC-D | AQUARIUS_RADIOMETER, AQUARIUS_SCATTEROMETER | 2011-08-25 to 2015-06-07 |
N: 90 S: -90 E: 180 W: -180 |
1 Decimal Degrees x 1 Decimal Degrees | HDF5 |
| Aquarius Official Release Level 3 Sea Surface Salinity Standard Mapped Image Seasonal Climatology Data V5.0 | 5.0 | Aquarius_SAC-D | AQUARIUS_RADIOMETER, AQUARIUS_SCATTEROMETER | 2011-08-25 to 2015-06-07 |
N: 90 S: -90 E: 180 W: -180 |
1 Decimal Degrees x 1 Decimal Degrees | HDF5 |
| Aquarius Official Release Level 3 Sea Surface Salinity Standard Mapped Image Seasonal Data V5.0 | 5.0 | Aquarius_SAC-D | AQUARIUS_RADIOMETER, AQUARIUS_SCATTEROMETER | 2011-08-25 to 2015-06-07 |
N: 90 S: -90 E: 180 W: -180 |
1 Decimal Degrees x 1 Decimal Degrees | HDF5 |
| Aquarius Official Release Level 3 Sea Surface Spiciness Standard Mapped Image 28-Day Running Mean Data V5.0 | 5.0 | Aquarius_SAC-D | AQUARIUS_RADIOMETER, AQUARIUS_SCATTEROMETER | 2011-08-25 to 2015-06-07 |
N: 90 S: -90 E: 180 W: -180 |
1 Decimal Degrees x 1 Decimal Degrees | HDF5 |
| Aquarius Official Release Level 3 Sea Surface Spiciness Standard Mapped Image 7-Day Data V5.0 | 5.0 | Aquarius_SAC-D | AQUARIUS_RADIOMETER, AQUARIUS_SCATTEROMETER | 2011-08-25 to 2015-06-07 |
N: 90 S: -90 E: 180 W: -180 |
1 Decimal Degrees x 1 Decimal Degrees | HDF5 |
| Aquarius Official Release Level 3 Sea Surface Spiciness Standard Mapped Image 7-Day Running Mean Data V5.0 | 5.0 | Aquarius_SAC-D | AQUARIUS_RADIOMETER, AQUARIUS_SCATTEROMETER | 2011-08-25 to 2015-06-07 |
N: 90 S: -90 E: 180 W: -180 |
1 Decimal Degrees x 1 Decimal Degrees | HDF5 |
| Aquarius Official Release Level 3 Sea Surface Spiciness Standard Mapped Image Annual Data V5.0 | 5.0 | Aquarius_SAC-D | AQUARIUS_RADIOMETER, AQUARIUS_SCATTEROMETER | 2011-08-25 to 2015-06-07 |
N: 90 S: -90 E: 180 W: -180 |
1 Decimal Degrees x 1 Decimal Degrees | HDF5 |
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.
Researchers explore using SWOT data to derive two-dimensional estimates of sea ice thickness.
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.
SWOT presents opportunities and challenges in characterizing sea surface height anomalies.
Frequently Asked Questions
Earthdata Forum
Our online forum provides a space for users to browse thousands of FAQs about research needs, data, and data applications. You can also submit new questions for our experts to answer.
Submit Questions to Earthdata Forumand View Expert Responses