From discovery to visualization, data tools such as Earthdata Search, Worldview, and State of the Ocean (SOTO) guide users in making the most of salinity data.
Salinity Data Access and Tools
Salinity Datasets
| Dataset Sort descending | Version | Platform | Instrument | Temporal Extent | Spatial Extent | Spatial Resolution | Data Format |
|---|---|---|---|---|---|---|---|
| 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 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 |
| Marmara 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: 42.49986 S: 38.50841 E: 29.48958 W: 25.51042 |
2 Kilometers x 2 Kilometers | 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 |
| Multi-Mission Optimally Interpolated Sea Surface Salinity Global Dataset V1 | 1.0 | SMAP, SAC-D, SMOS | SMAP L-BAND RADIOMETER, AQUARIUS_SCATTEROMETER | 2011-08-24 |
N: 90 S: -90 E: 180 W: -180 |
0.25 Decimal Degrees x 0.25 Decimal Degrees | netCDF-4 |
| Multi-Mission Optimally Interpolated Sea Surface Salinity Global Dataset V2 | 2.0 | SMAP, SAC-D, SMOS | SMAP L-BAND RADIOMETER, AQUARIUS_SCATTEROMETER | 2011-08-24 |
N: 90 S: -90 E: 180 W: -180 |
0.25 Decimal Degrees x 0.25 Decimal Degrees | netCDF-4 |
| Multi-Mission Optimally Interpolated Sea Surface Salinity Global Monthly Dataset V1 | 1.0 | SMAP, SAC-D, SMOS | SMAP L-BAND RADIOMETER, AQUARIUS_SCATTEROMETER | 2011-09-01 |
N: 90 S: -90 E: 180 W: -180 |
0.25 Decimal Degrees x 0.25 Decimal Degrees | netCDF-4 |
| Multi-Mission Optimally Interpolated Sea Surface Salinity Global Monthly Dataset V2 | 2.0 | SMAP, SAC-D, SMOS | SMAP L-BAND RADIOMETER, AQUARIUS_SCATTEROMETER | 2011-08-01 |
N: 90 S: -90 E: 180 W: -180 |
0.25 Decimal Degrees x 0.25 Decimal Degrees | netCDF-4 |
| Neutrally buoyant float data for the SPURS-1 N. Atlantic field campaign | 1.0 | NeutrallyBuoyantFloat | CTD | 2012-09-18 to 2013-02-22 |
N: 26 S: 21 E: -34 W: -39 |
1 Meters x 1 Meters | netCDF-4 |
| New Caledonia 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: -22 S: -26 E: 171 W: 166 |
2 Kilometers x 2 Kilometers | netCDF-4 |
| Northeast Weddell 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: -59.5867 S: -63.57185 E: 5.177083 W: 1.197917 |
2 Kilometers x 2 Kilometers | netCDF-4 |
| Northwest Australian Shelf 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: -11 S: -15 E: 124.5 W: 120.5 |
2 Kilometers x 2 Kilometers | netCDF-4 |
| Northwest Pacific 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: 22.99216 S: 19.00565 E: 136.8854 W: 132.9062 |
2 Kilometers x 2 Kilometers | netCDF-4 |
| OMG Airborne eXpendable Conductivity Temperature Depth (AXCTD) Profiles | 1 | Aircraft | AXCTD | 2016-09-13 to 2021-12-31 |
N: 83.6 S: 59.1 E: 180 W: 73.6 N: 83.6 S: 59.1 E: -6.9 W: -180 |
netCDF-4 | |
| OMG Conductivity Temperature Depth (CTD) Profiles | 1 | InSitu | CTD | 2015-07-25 to 2020-08-23 |
N: 79.841 S: 60.351 E: 53.406 W: -74.576 |
netCDF-4 | |
| OMG Level 2 Airborne eXpendable Bathy Thermograph (AXBT) Profiles | 1 | Aircraft | BATHYTHERMOGRAPHS | 2020-09-02 to 2021-09-16 |
N: 83.6 S: 59.1 E: 180 W: 73.6 N: 83.6 S: 59.1 E: -6.9 W: -180 |
netCDF-4 | |
| OMG Ocean Water Properties Data from Alamo Floats Version 1 | 1 | InSitu | FLOAT_CTD | 2017-08-30 to 2022-08-31 |
N: 79.841 S: 60.351 E: 53.406 W: -74.576 |
ASCII | |
| OMG Ocean Water Properties Data from APEX Floats Version 1 | 1 | InSitu | FLOAT_CTD | 2020-08-13 to 2021-10-31 |
N: 79.841 S: 60.351 E: 53.406 W: -74.576 |
ASCII | |
| Parametrized Rain Impact Model for SMAP L2 V1.0 | 1.0 | SMAP | SMAP L-BAND RADIOMETER | 2015-03-31 to 2021-10-01 |
N: 90 S: -90 E: 180 W: -180 |
netCDF4 | |
| PICO Mooring data for the SPURS-1 N. Atlantic field campaign | 1.0 | Mooring | CTD, MMS | 2012-09-14 to 2013-09-30 |
N: 25 S: 24 E: -27 W: -38 |
1 Meters x 1 Meters | netCDF-4 |
| PISTON 2018 Research Vessel (RV) Thompson ship datasets of ocean, atmosphere, and air-sea interaction | 1 | R/V Thompson | SEA-POL, CTD, ADCP, CHAM, SO, ROSR, W-Band Radar, CEILOMETERS, RADIOMETERS, RAWINSONDES, DISDROMETERS, GPS, Hemisphere VS1000, Gill WindMaster Pro, Vaisala HMT330, ORG-815-DA, Vaisala PTB330, NOAA PSL Sea Snake, SBE-21, Riegl LD90-3100VHS-FLP, Eppley PIR, Vaisala HMT337 | 2018-08-18 to 2018-10-13 | netCDF-4, Text File, TAR | ||
| Rockall Trough 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: 63.73713 S: 59.54496 E: -7.320777 W: -12.18558 |
2 Kilometers x 2 Kilometers | netCDF-4 |
| RSS SMAP Level 2C Sea Surface Salinity NRT V5.0 Validated Dataset | 5.0 | SMAP | SMAP L-BAND RADIOMETER | 2022-07-28 |
N: 90 S: -90 E: 180 W: -180 |
0.25 Decimal Degrees x 0.25 Decimal Degrees | netCDF-4 |
| RSS SMAP Level 2C Sea Surface Salinity NRT V6.0 Validated Dataset | 6.0 | SMAP | SMAP L-BAND RADIOMETER | 2022-07-28 |
N: 90 S: -90 E: 180 W: -180 |
0.25 Decimal Degrees x 0.25 Decimal Degrees | netCDF-4 |
| RSS SMAP Level 2C Sea Surface Salinity V6.0 Validated Dataset | 6.0 | SMAP | SMAP L-BAND RADIOMETER | 2015-04-01 |
N: 90 S: -90 E: 180 W: -180 |
47000 Meters x 39000 Meters | netCDF-4 |
Frequently Asked Questions
Earthdata Forum
Our online forum provides a space for users to browse thousands of FAQs about research needs, data, and data applications. You can also submit new questions for our experts to answer.
Submit Questions to Earthdata Forumand View Expert Responses