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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
MEaSUREs BedMachine Antarctica V001 1 MODELS NOT APPLICABLE 1970-01-01 to 2019-10-01

N: -53 S: -90 E: 180 W: -180

500 Meters x 500 Meters netCDF-4
MEaSUREs BedMachine Antarctica V002 2 MODELS NOT APPLICABLE 1970-01-01 to 2019-10-01

N: -53 S: -90 E: 180 W: -180

500 Meters x 500 Meters netCDF-4
MEaSUREs BedMachine Antarctica V002 2 MODELS NOT APPLICABLE 1970-01-01 to 2019-10-01

N: -53 S: -90 E: 180 W: -180

500 Meters x 500 Meters netCDF-4
MEaSUREs BedMachine Antarctica V004 4 MODELS NOT APPLICABLE 1970-01-01 to 2019-10-01

N: -53 S: -90 E: 180 W: -180

500 Meters x 500 Meters netCDF-4
MEaSUREs BedMachine Antarctica V004 4 MODELS NOT APPLICABLE 1970-01-01 to 2019-10-01

N: -53 S: -90 E: 180 W: -180

500 Meters x 500 Meters netCDF-4
MEaSUREs BedMachine Antarctica V004 4 MODELS NOT APPLICABLE 1970-01-01 to 2019-10-01

N: -53 S: -90 E: 180 W: -180

500 Meters x 500 Meters netCDF-4
MEaSUREs Gridded Sea Surface Height Anomalies Version 2205 2205 OSTM/JASON-2, JASON-1, TOPEX/POSEIDON, JASON-3, Sentinel-6A AMR, POSEIDON-3, JASON-1 Microwave Radiometer, POSEIDON-2, POSEIDON-3B, Poseidon-4 Radar Altimeter, AMR-C 1992-10-01 to 2022-12-22

N: 80 S: -80 E: 180 W: -180

0.17 Decimal Degrees x 0.17 Decimal Degrees netCDF-4
Mediterranean, Indian and Pacific Ocean Transect (MIPOT) 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 2001-11-12 to Present

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

Mediterranean Sea High Resolution SST L4 Analysis 1/16deg Resolution 2.0 Aqua, MSG, Terra, NOAA-19, METOP-A, ENVISAT MODIS, SEVIRI, AVHRR-3, AVHRR, AATSR 2007-12-31

N: 46 S: 30.25 E: 36.25 W: -18.125

0.062 Decimal Degrees x 0.062 Decimal Degrees netCDF-4
Mediterranean Sea 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: 40.48752 S: 36.50821 E: 4.989583 W: 1.010417

2 Kilometers x 2 Kilometers netCDF-4
Mediterranean Sea Ultra High Resolution SST L4 Analysis 0.01 deg Resolution 2.0 Aqua, MSG, Terra, NOAA-19, METOP-A, ENVISAT MODIS, SEVIRI, AVHRR-3, AVHRR, AATSR 2007-12-31

N: 46 S: 30.25 E: 36.25 W: -18.125

0.01 Decimal Degrees x 0.01 Decimal Degrees netCDF-4
Merchant ships measurements in Micronesia and the Southern Ocean 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 1997-10-26 to Present

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

Merged Sentinel-3A and Sentinel-3B OLCI Regional Binned Inland Waters (ILW) Data, version 5.0 5.0 Sentinel-3A, Sentinel-3B OLCI 2016-04-25 to Present

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

netCDF-4
Merged Sentinel-3A and Sentinel-3B OLCI Regional Mapped CyAN Project, True Color (TC) Data, version 6.0 6.0 Sentinel-3A, Sentinel-3B OLCI 2016-04-25 to Present

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

netCDF-4
Merged Sentinel-3A and Sentinel-3B OLCI Regional Mapped Cyanobacteria Index (CI) Data, version 6.0 6.0 Sentinel-3A, Sentinel-3B OLCI 2016-04-25 to Present

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

netCDF-4
Merged Sentinel-3A and Sentinel-3B OLCI Regional Mapped Inland Waters (ILW) Data, version 5.0 5.0 Sentinel-3A, Sentinel-3B OLCI 2016-04-25 to Present

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

netCDF-4
MERRA-2 const_2d_asm_Nx: 2d, constants 0.625 x 0.5 degree V5.12.4 (M2C0NXASM) at GES DISC 5.12.4 MERRA-2 NOT APPLICABLE 1980-01-01 to 2020-12-31

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

0.625 Kilometers x 0.5 Kilometers
MERRA-2 inst1_2d_int_Nx: 2d,1-Hourly,Instantaneous,Single-Level,Assimilation,Vertically Integrated Diagnostics 0.625 x 0.5 degree V5.12.4 (M2I1NXINT) at GES DISC 5.12.4 MERRA-2 NOT APPLICABLE 1980-01-01 to Present

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

0.625 Decimal Degrees x 0.5 Decimal Degrees
MERRA-2 instM_2d_int_Nx: 2d,Monthly mean,Instantaneous,Single-Level,Assimilation,Vertically Integrated Diagnostics 0.625 x 0.5 degree V5.12.4 (M2IMNXINT) at GES DISC 5.12.4 MERRA-2 NOT APPLICABLE 1980-01-01 to Present

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

0.625 Decimal Degrees x 0.5 Decimal Degrees
MERRA-2 instU_2d_int_Nx: 2d,diurnal,Instantaneous,Single-Level,Assimilation,Vertically Integrated Diagnostics 0.625 x 0.5 degree V5.12.4 (M2IUNXINT) at GES DISC 5.12.4 MERRA-2 NOT APPLICABLE 1980-01-01 to Present

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

0.625 Decimal Degrees x 0.5 Decimal Degrees
MERRA-2 tavg1_2d_flx_Nx: 2d,1-Hourly,Time-Averaged,Single-Level,Assimilation,Surface Flux Diagnostics 0.625 x 0.5 degree V5.12.4 (M2T1NXFLX) at GES DISC 5.12.4 MERRA-2 NOT APPLICABLE 1980-01-01 to Present

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

0.625 Decimal Degrees x 0.5 Decimal Degrees
MERRA-2 tavg1_2d_int_Nx: 2d,1-Hourly,Time-Averaged,Single-Level,Assimilation,Vertically Integrated Diagnostics 0.625 x 0.5 degree V5.12.4 (M2T1NXINT) at GES DISC 5.12.4 MERRA-2 NOT APPLICABLE 1980-01-01 to Present

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

0.625 Decimal Degrees x 0.5 Decimal Degrees
MERRA-2 tavg1_2d_ocn_Nx: 2d,1-Hourly,Time-Averaged,Single-Level,Assimilation,Ocean Surface Diagnostics 0.625 x 0.5 degree V5.12.4 (M2T1NXOCN) at GES DISC 5.12.4 MERRA-2 NOT APPLICABLE 1980-01-01 to Present

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

0.625 Decimal Degrees x 0.5 Decimal Degrees
MERRA-2 tavg1_2d_rad_Nx: 2d,1-Hourly,Time-Averaged,Single-Level,Assimilation,Radiation Diagnostics 0.625 x 0.5 degree V5.12.4 (M2T1NXRAD) at GES DISC 5.12.4 MERRA-2 NOT APPLICABLE 1980-01-01 to Present

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

0.625 Decimal Degrees x 0.5 Decimal Degrees
MERRA-2 tavg1_2d_slv_Nx: 2d,1-Hourly,Time-Averaged,Single-Level,Assimilation,Single-Level Diagnostics 0.625 x 0.5 degree V5.12.4 (M2T1NXSLV) at GES DISC 5.12.4 MERRA-2 NOT APPLICABLE 1980-01-01 to Present

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

0.625 Decimal Degrees x 0.5 Decimal Degrees
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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

View All Data Tools
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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