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Sea Surface Height Data Access and Tools

From discovery to visualization, data tools such as Worldview, State of the Ocean (SOTO), and High-level Tool for Interactive Data Extraction / L2 Subsetting Services (HiTIDE) guide users in making the most of sea surface height data.

Sea Surface Height Datasets

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Dataset Version Platform Instrument Temporal Extent Spatial Extent Spatial Resolution Data Format
Sentinel-6B/Jason-CS L2 P4 Altimeter High Resolution (HR) STC Reduced Ocean Surface Topography G Sentinel-6B Poseidon-4 Radar Altimeter, AMR-C, DORIS, GNSS RECEIVER 2025-11-17

N: 66.15 S: -66.15 E: 180 W: -180

netCDF-4
Sentinel-6B/Jason-CS L2 P4 Altimeter Low Resolution (LR) NRT Ocean Surface Topography G Sentinel-6B Poseidon-4 Radar Altimeter, DORIS, GNSS RECEIVER, AMR 2020-12-07 to Present

N: 66.15 S: -66.15 E: 180 W: -180

netCDF-4
Sentinel-6B/Jason-CS L2 P4 Altimeter Low Resolution (LR) NRT Reduced Ocean Surface Topography G Sentinel-6B Poseidon-4 Radar Altimeter, AMR-C, DORIS, GNSS RECEIVER 2025-11-17

N: 66.15 S: -66.15 E: 180 W: -180

netCDF-4
Sentinel-6B/Jason-CS L2 P4 Altimeter Low Resolution (LR) STC Ocean Surface Topography G Sentinel-6B Poseidon-4 Radar Altimeter, AMR-C, DORIS, GNSS RECEIVER 2025-11-17

N: 66.15 S: -66.15 E: 180 W: -180

netCDF-4
Sentinel-6B/Jason-CS L2 P4 Altimeter Low Resolution (LR) STC Reduced Ocean Surface Topography G Sentinel-6B Poseidon-4 Radar Altimeter, AMR-C, DORIS, GNSS RECEIVER 2025-11-17

N: 66.15 S: -66.15 E: 180 W: -180

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 - 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 Pre Crossover 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 Pre Crossover 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 Pre Crossover 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 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
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