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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
SWOT 2019-2020 Prelaunch Oceanography Field Campaign SIO Pressure-sensing Inverted Echo Sounder (PIES) 1.0 MOORINGS BOTTOM PRESSURE GAUGES 2019-09-06 to 2020-01-18

N: 36.2 S: 35.8 E: -125 W: -125.2

netCDF-4
SWOT 2019-2020 Prelaunch Oceanography Field Campaign WHOI/NOAA Moored Fixed-Depth CTDs 1.0 MOORINGS CTD 2019-09-04 to 2020-01-19

N: 36.2 S: 35.8 E: -125 W: -125.2

netCDF-4
SWOT Level 2 KaRIn Low Rate Sea Surface Height Data Product - Basic, Version C 2.0 SWOT KaRIn, Jason-class Altimeter, AMR, DORIS, GPSP, LRA 2022-12-16

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

2 Kilometers x 2 Kilometers
250 Meters x 250 Meters 		netCDF-4
SWOT Level 2 KaRIn Low Rate Sea Surface Height Data Product - Basic, Version D D SWOT KaRIn, Jason-class Altimeter, AMR, DORIS, GPSP, LRA 2022-12-16

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

2 Kilometers x 2 Kilometers
250 Meters x 250 Meters 		netCDF-4
SWOT Level 2 KaRIn Low Rate Sea Surface Height Data Product - Expert, Version C 2.0 SWOT KaRIn, Jason-class Altimeter, AMR, DORIS, GPSP, LRA 2022-12-16

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

2 Kilometers x 2 Kilometers
250 Meters x 250 Meters 		netCDF-4
SWOT Level 2 KaRIn Low Rate Sea Surface Height Data Product - Expert, Version D D SWOT KaRIn, Jason-class Altimeter, AMR, DORIS, GPSP, LRA 2022-12-16

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

2 Kilometers x 2 Kilometers
250 Meters x 250 Meters 		netCDF-4
SWOT Level 2 KaRIn Low Rate Sea Surface Height Data Product - Unsmoothed, Version C 2.0 SWOT KaRIn, Jason-class Altimeter, AMR, DORIS, GPSP, LRA 2022-12-16

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

2 Kilometers x 2 Kilometers
250 Meters x 250 Meters 		netCDF-4
SWOT Level 2 KaRIn Low Rate Sea Surface Height Data Product - Unsmoothed, Version D D SWOT KaRIn, Jason-class Altimeter, AMR, DORIS, GPSP, LRA 2022-12-16

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

2 Kilometers x 2 Kilometers
250 Meters x 250 Meters 		netCDF-4
SWOT Level 2 KaRIn Low Rate Sea Surface Height Data Product - WindWave, Version C 2.0 SWOT KaRIn, Jason-class Altimeter, AMR, DORIS, GPSP, LRA 2022-12-16

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

2 Kilometers x 2 Kilometers
250 Meters x 250 Meters 		netCDF-4
SWOT Level 2 KaRIn Low Rate Sea Surface Height Data Product - WindWave, Version D D SWOT KaRIn, Jason-class Altimeter, AMR, DORIS, GPSP, LRA 2022-12-16

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

2 Kilometers x 2 Kilometers
250 Meters x 250 Meters 		netCDF-4
SWOT Level 2 KaRIn Low Rate Sea Surface Height Data Product, Version C 2.0 SWOT KaRIn, Jason-class Altimeter, AMR, DORIS, GPSP, LRA 2022-12-16

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

2 Kilometers x 2 Kilometers
250 Meters x 250 Meters 		netCDF-4
SWOT Level 2 KaRIn Low Rate Sea Surface Height Data Product, Version D D SWOT KaRIn, Jason-class Altimeter, AMR, DORIS, GPSP, LRA 2022-12-16

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

2 Kilometers x 2 Kilometers
250 Meters x 250 Meters 		netCDF-4
SWOT Level 2 KaRIn Low Rate Sea Surface Height Pre Crossover Data Product, Version D D SWOT KaRIn, Jason-class Altimeter, AMR, DORIS, GPSP, LRA 2022-12-16

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

2 Kilometers x 2 Kilometers
250 Meters x 250 Meters 		netCDF-4
SWOT Level 2 Nadir Altimeter Geophysical Data Record with Waveforms 2.0 SWOT Jason-class Altimeter, AMR 2022-12-16

N: 77.6 S: -77.6 E: 180 W: -180

netCDF-4
SWOT Level 2 Nadir Altimeter Geophysical Data Record with Waveforms - GDR 2.0 SWOT Jason-class Altimeter, AMR 2022-12-16

N: 77.6 S: -77.6 E: 180 W: -180

netCDF-4
SWOT Level 2 Nadir Altimeter Geophysical Data Record with Waveforms - GDR Version D D SWOT Jason-class Altimeter, AMR 2022-12-16

N: 77.6 S: -77.6 E: 180 W: -180

netCDF-4
SWOT Level 2 Nadir Altimeter Geophysical Data Record with Waveforms - SGDR 2.0 SWOT Jason-class Altimeter, AMR 2022-12-16

N: 77.6 S: -77.6 E: 180 W: -180

netCDF-4
SWOT Level 2 Nadir Altimeter Geophysical Data Record with Waveforms - SGDR, Version 1.0 1.0 SWOT Jason-class Altimeter, AMR 2022-12-16

N: 77.6 S: -77.6 E: 180 W: -180

netCDF-4
SWOT Level 2 Nadir Altimeter Geophysical Data Record with Waveforms - SGDR Version D D SWOT Jason-class Altimeter, AMR 2022-12-16

N: 77.6 S: -77.6 E: 180 W: -180

netCDF-4
SWOT Level 2 Nadir Altimeter Geophysical Data Record with Waveforms - SSHA 2.0 SWOT Jason-class Altimeter, AMR 2022-12-16

N: 77.6 S: -77.6 E: 180 W: -180

netCDF-4
SWOT Level 2 Nadir Altimeter Geophysical Data Record with Waveforms - SSHA, Version 1.0 1.0 SWOT Jason-class Altimeter, AMR 2022-12-16

N: 77.6 S: -77.6 E: 180 W: -180

netCDF-4
SWOT Level 2 Nadir Altimeter Geophysical Data Record with Waveforms - SSHA Version D D SWOT Jason-class Altimeter, AMR 2022-12-16

N: 77.6 S: -77.6 E: 180 W: -180

netCDF-4
SWOT Level 2 Nadir Altimeter Geophysical Data Record with Waveforms Version D D SWOT Jason-class Altimeter, AMR 2022-12-16

N: 77.6 S: -77.6 E: 180 W: -180

netCDF-4
SWOT Level 2 Nadir Altimeter Interim Geophysical Data Record with Waveforms 2.0 SWOT Jason-class Altimeter, AMR 2022-12-16

N: 77.6 S: -77.6 E: 180 W: -180

300 Meters x 300 Meters
6000 Meters x 6000 Meters 		netCDF-4
SWOT Level 2 Nadir Altimeter Interim Geophysical Data Record with Waveforms - GDR 2.0 SWOT Jason-class Altimeter, AMR 2022-12-16

N: 77.6 S: -77.6 E: 180 W: -180

netCDF-4
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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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