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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
Measurements stretching across the Pacific Ocean to the Hawaiian Islands from 1998 to 1999 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 1998-09-22 to Present

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

Measurements taken in the Aegean and Black seas onboard the R/V Akwanavt 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 1997-10-07 to Present

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

Measurements taken in the North Sea in 1994 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 1994-07-12 to Present

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

Measurements taken off Cornwallis Island off Resolute 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 1994-08-14 to Present

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

Measurements taken off The Netherlands in the North Sea in 1998 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 1998-04-07 to Present

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

Measurements taken off the New England Coast in 1997 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 1997-11-11 to Present

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

Measurements taken onboard R/V Kaimimoana between 1999 and 2002 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 1999-07-15 to Present

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

Measurements taken onboard the R/V Oceania during 1998 to 2000 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 1998-06-22 to Present

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

Measurements used to develop the Bio-Optical Algorithm (BOA) 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 1991-05-17 to Present

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

Measurements using the SIMBAD radiometer by the Laboratoire dOptique Atmospherique (LOA) 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 1996-10-13 to Present

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

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 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 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
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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
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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