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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
JPL SMAP Level 2B Near Real-time CAP Sea Surface Salinity V5.0 Validated Dataset 5.0 SMAP SMAP L-BAND RADIOMETER 2015-04-01

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

25000 Meters x 25000 Meters HDF5
JPL SMAP Level 2B Near Real-time CAP Sea Surface Salinity V5.0 Validated Dataset (2 hour latency) 5.0 SMAP SMAP L-BAND RADIOMETER 2015-04-01

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

25000 Meters x 25000 Meters HDF5
JPL SMAP Level 3 CAP Sea Surface Salinity Standard Mapped Image 8-Day Running Mean V5.0 Validated Dataset 5.0 SMAP SMAP L-BAND RADIOMETER 2015-04-30

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

0.6 Decimal Degrees x 0.6 Decimal Degrees netCDF-4
JPL SMAP Level 3 CAP Sea Surface Salinity Standard Mapped Image Monthly V5.0 Validated Dataset 5.0 SMAP SMAP L-BAND RADIOMETER 2015-04-01

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

0.6 Decimal Degrees x 0.6 Decimal Degrees netCDF-4
JPL TELLUS GRACE Level-3 Monthly Ocean Bottom Pressure Anomaly Release 6.0 version 04 RL06v04 GRACE 2002-04-04 to 2017-10-25

N: 89.5 S: -89.5 E: 180 W: -180

1 Decimal Degrees x 1 Decimal Degrees netCDF-4
JPL TELLUS GRACE-FO Level-3 Monthly Ocean Bottom Pressure Anomaly Release 6.3 version 04 RL06.3v04 GRACE-FO GRACE-FO MWI, GRACE-FO LRI, GRACE-FO ACC, GRACE-FO SCA 2018-05-22

N: 89.5 S: -89.5 E: 180 W: -180

1 Decimal Degrees x 1 Decimal Degrees netCDF-4
Kennebec River Plume - Gulf of Maine ecosystem measurements 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 2005-03-17 to Present

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

KMZ for ALOS PALSAR Radiometric Terrain Corrected Product 1 ALOS PALSAR 2006-03-23 to 2011-04-22

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

Korea-United States Ocean Color expedition 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 2016-05-20 to Present

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

KORUS-AQ Research Vessel (R/V) Onnuri Ship Data 1 R/V ONNURI SpEx, AMS, SUN PHOTOMETERS, GAS SENSORS 2016-05-16 to 2016-06-05 ICARTT
Labrador Sea 1997 optical measurements 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 1997-05-09 to Present

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

Labrador Sea measurements in 1996 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 1996-10-20 to Present

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

Labrador Sea measurements in 2000 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 2000-05-22 to Present

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

Labrador 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: 63.79824 S: 59.5549 E: -58.52856 W: -63.61784

2 Kilometers x 2 Kilometers netCDF-4
Lagrangian Transport and Transformation Experiment (LaTTE) 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 2004-05-02 to Present

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

Lake Erie optical measurements 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 2013-08-20 to Present

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

Lamont-Doherty Earth Observatory (LDEO) - South Atlantic Bight (SAB) 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 2005-05-12 to Present

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

Lamont-Doherty Earth Observatory measurements from the Gulf of Mexico (GOM) 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 2010-08-22 to Present

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

Lamont-Doherty Earth Observatory measurements from the South Atlantic Ocean (ATL) 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 2015-09-09 to Present

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

Lamont-Doherty Earth Observatory measurements from the South China Sea (SCS) 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 2016-06-04 to Present

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

Land Margin Ecosystem Research (LMER): Trophic Interactions in Estuarine Systems (TIES) 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 1993-07-03 to Present

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

Land/Ocean Biogeochemical Observatory (LOBO) water quality monitoring system timeseries 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 2009-03-30 to Present

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

Laser Fluorometry measurements in the Bering Sea 0 BUOYS, MOORINGS, Water-based Platforms, AUVS, ROVS, Ships 2009-06-21 to Present

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

LBA-ECO CD-03 Nocturnal Meteorological Data, Forest and Pasture Sites, Para, Brazil 1 BALLOONS IRGA, WIND MONITOR, PRESSURE SENSORS, THERMISTORS, HUMIDITY SENSORS 2001-07-26 to 2003-11-26

N: -3.017 S: -3.0202 E: -54.8885 W: -54.9707

CSV
LBA-ECO ND-02 Soil Gas Flux, Rainfall Exclusion, km 67, Tapajos National Forest 1 FIELD INVESTIGATION GC-FID, IR CO2 ANALYZER, CHEMILUMINESCENCE, GC-ECD 1998-09-10 to 2005-04-10

N: -2.857 S: -2.857 E: -54.959 W: -54.959

CSV
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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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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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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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