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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
Goddard Satellite-Based Surface Turbulent Fluxes, 1x1 deg Yearly Climatology, Set1 and NCEP V2c (GSSTFYC) at GES DISC 2c DMSP SSM/I 1988-01-01 to 2008-12-31

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

Goddard Satellite-Based Surface Turbulent Fluxes Climatology, 0.25 x 0.25 deg, Monthly Grid V3 (GSSTFMC) at GES DISC 3 DMSP SSM/I 1988-01-01 to 2008-12-31

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

Goddard Satellite-Based Surface Turbulent Fluxes Climatology, 0.25 x 0.25 deg, Seasonal Grid V3 (GSSTFSC) at GES DISC 3 DMSP SSM/I 1988-03-01 to 2008-11-30

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

Goddard Satellite-Based Surface Turbulent Fluxes Climatology, 0.25 x 0.25 deg, Yearly Grid V3 (GSSTFYC) at GES DISC 3 DMSP SSM/I 1988-01-01 to 2008-12-31

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

GOES-R PLT Geostationary Coastal and Air Pollution Event (GEO-CAPE) Airborne Simulator (GCAS) 1 NASA ER-2 GCAS 2017-03-21 to 2017-05-14

N: 43.6489 S: 27.4778 E: -72.1396 W: -124.838

HDF5
GOES-R PLT Surface Radiance Ivanpah V1 1 GROUND STATIONS RADIOMETERS 2017-03-23 to 2017-03-28

N: 35.6154 S: 35.5954 E: -115.396 W: -115.416

ASCII, Excel
Gotland Basin 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: 59.5 S: 54.2 E: 21.2 W: 17

2 Kilometers x 2 Kilometers netCDF-4
GPM Ground Validation SEA FLUX ICE POP V1 1 MODELS Computer 2017-09-01 to 2018-04-30

N: 54.25 S: 8.5 E: 177.5 W: 98.5

netCDF-4
GRACE ATMOSPHERE AND OCEAN DE-ALIASING GFZ RELEASE 6.0 6.0 GRACE 1976-01-01

N: 65 S: -75 E: 180 W: -180

50000 Meters x 50000 Meters ASCII
GRACE NON-TIDAL ATMOSPHERE AND OCEAN GEOPOTENTIAL COEFFICIENTS CSR RELEASE 6.0 GAC 6.0 GRACE KBR 2002-04-05 to 2017-06-30

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

500 Kilometers x 500 Kilometers ASCII
GRACE NON-TIDAL ATMOSPHERE AND OCEAN GEOPOTENTIAL COEFFICIENTS GFZ RELEASE 6.0 GAC 6.0 GRACE 2002-04-05 to 2017-07-01

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

500 Kilometers x 500 Kilometers ASCII
GRACE NON-TIDAL ATMOSPHERE AND OCEAN GEOPOTENTIAL COEFFICIENTS JPL RELEASE 6.0 GAC 6.0 GRACE KBR 2002-04-04 to 2017-06-30

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

500 Kilometers x 500 Kilometers ASCII
GRACE NON-TIDAL OCEAN GEOPOTENTIAL COEFFICIENTS GFZ RELEASE 6.0 GAB 6.0 GRACE 2002-04-05 to 2017-07-01

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

500 Kilometers x 500 Kilometers ASCII
GRACE NON-TIDAL OCEAN GEOPOTENTIAL COEFFICIENTS JPL RELEASE 6.0 GAB 6.0 GRACE KBR 2002-04-04 to 2017-06-30

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

500 Kilometers x 500 Kilometers ASCII
GRACE OCEAN BOTTOM GEOPOTENTIAL COEFFICIENTS CSR RELEASE 6.0 GAD 6.0 GRACE 2002-04-05 to 2017-06-30

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

500 Kilometers x 500 Kilometers ASCII
GRACE OCEAN BOTTOM GEOPOTENTIAL COEFFICIENTS GFZ RELEASE 6.0 GAD 6.0 GRACE 2002-04-05 to 2017-07-01

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

500 Kilometers x 500 Kilometers ASCII
GRACE OCEAN BOTTOM GEOPOTENTIAL COEFFICIENTS JPL RELEASE 6.0 GAD 6.0 GRACE 2002-04-04 to 2017-06-30

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

500 Kilometers x 500 Kilometers ASCII
GRACE/GRACE-FO Level-4 Monthly Global Ocean Mass Anomaly version 01 from NASA MEaSUREs HOMaGE project 1.0 GRACE-FO, GRACE 2002-04-17

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

360 Decimal Degrees x 180 Decimal Degrees netCDF-4
GRACE/GRACE-FO Level-4 Monthly Gravitational-Rotational-Deformation version 01 from NASA MEaSUREs HOMaGE 1.0 GRACE-FO, GRACE GRACE-FO MWI, GRACE INTERFEROMETER 2002-04-16 to Present

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

0.5 Decimal Degrees x 0.5 Decimal Degrees netCDF-4
Great Belt research cruise in the Southern Ocean 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 2011-01-13 to Present

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

Great Lakes Ocean Color Validation 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 2025-01-01 to Present

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

Gridded Altimeter Fields with Enhanced Coastal Coverage 1 OSTM/JASON-2, TOPEX/POSEIDON, JASON-1 POSEIDON-3, SSALT, POSEIDON-2 1992-10-14 to 2012-04-18

N: 48.5 S: 35.25 E: 180 W: -111.5

,

N: 48.5 S: 35.25 E: -132.25 W: -180

0.25 Decimal Degrees x 0.25 Decimal Degrees netCDF-4
Gridded Altimeter Fields with Enhanced Coastal Coverage Daily 1 OSTM/JASON-2, TOPEX/POSEIDON, JASON-1 POSEIDON-3, SSALT, POSEIDON-2 1992-10-14 to 2011-01-19

N: 49 S: 35 E: -111 W: -133

0.25 Decimal Degrees x 0.25 Decimal Degrees netCDF-4
GRIP HURRICANE IMAGING RADIOMETER (HIRAD) V1 1 NASA WB-57F HIRAD 2010-09-01 to 2010-09-16

N: 30.1404 S: 18.2751 E: -71.0313 W: -95.5915

netCDF-3
Gross Primary Production Maps of Tidal Wetlands across Conterminous USA, 2000-2019 1 Terra, Models MODIS, Computer 2000-03-05 to 2019-11-17

N: 47.6967 S: 23.5017 E: -65.9019 W: -128.026

GeoTIFF
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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.

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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
AppEEARS The The Application for Extracting and Exploring Analysis Ready Samples (AppEEARS) offers users a simple and efficient way to perform data access and transformation processes. Search and Discovery, Subsetting, Customization, Downloading, Visualization
CASEI The Catalog of Archived Suborbital Earth Science Investigations (CASEI) is a comprehensive inventory of contextual information for NASA's Earth Science airborne and field campaigns. Search and Discovery, Cataloging
CyAN File Search The CyAN File Search tool allows users to choose an area over the continental United States and Alaska to retrieve cyanobacteria datasets archived by the Cyanobacteria Assessment Network (CyAN) project. Analysis, Search and Discovery, Visualization
CyFi Explorer CyFi Explorer enables users to view corresponding Sentinel-2 satellite imagery for each cyanobacteria estimate, and estimate cyanobacteria density. Analysis, Search and Discovery, Visualization
Giovanni Giovanni is a web application for accessing, visualizing, and analyzing Earth science remote sensing data without downloading the data. Search and Discovery, Analysis, Access, Visualization, Downloading, Subsetting
Hydrocron Hydrocron is an API that repackages hydrology datasets from SWOT into formats that make time-series analysis easier. Subsetting, Visualization
Ocean Color Level 3 and 4 Browser The Ocean Color Level 3 and 4 Browser allows users to view, download, or order global composites at various spatial and temporal scales (level 3) or get results from analyses of lower-level data (level 4). Analysis, Search and Discovery, Visualization
Panoply Panoply is a cross-platform application that plots geo-referenced and other arrays from netCDF, HDF, GRIB, and other datasets. Visualization, Customization, Reformatting, Subsetting, Comparison
SeaBASS SeaBASS is public archive of ocean and atmosphere data captured in situ. The archive is maintained by NASA's Ocean Biology Processing Group (OBPG). Downloading
SeaDAS Sea, earth, atmosphere Data Analysis System (SeaDAS) is a comprehensive image analysis package for the processing, display, analysis, and quality control of ocean color data. Analysis, Visualization, Processing
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