NOAA/STAR GHRSST L3S LEO-AM v2.80 Dataset Release

2021-06-01

The PO.DAAC is pleased to announce the public release of the NOAA/STAR GHRSST global 0.02-deg L3S-LEO_AM v2.80 dataset produced from three Low Earth Orbiting (LEO) Metop-FG satellites: Metop-A, -B and -C . The Metop-FG satellite program was jointly established by the European Space Agency (ESA) and the European Organization for the Exploitation of Meteorological Satellites (EUMETSAT).

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Animation: Global Sea Surface Temperature (SST) produced by NOAA/STAR with aggregated MetOp-A/B/C AVHRR measurements

Animation of the NOAA/STAR GHRSST L3S LEO_AM Daytime SST v2.80 derived from the Advanced Very High Resolution Radiometer (AVHRR) onboard MetOp-A/B/C satellites covering the period of December 2006 to May 2021. (https://doi.org/10.5067/GHLAM-3SS28)

Data in Action: ECCO Helps Validate New Field of Seismic Ocean Thermometry

To monitor changing ocean temperatures, oceanographers use satellites for the sea surface and thermometers to measure the interior. Another less common approach called “ocean acoustic tomography” involves sending sound pulses from a source (essentially an underwater bell) and measuring the time for the acoustic signals to arrive at a distant underwater microphone (Munk and Wunsch, 1979). A recent study (Wu et al., 2021) demonstrates for the first time that acoustic waves from earthquakes (T waves) can be used instead of the large, expensive, and often controversial artificial sound sources that have hampered the widespread adoption of acoustic tomography into the global ocean observing system.

Reprocessed JPL SMAP Sea Surface Salinity (SSS) CAP V5.0 Datasets

2021-05-24

This is to inform users of the JPL SMAP Sea Surface Salinity (SSS) CAP V5.0 datasets that select L2B and L3 8day running mean and monthly files on the specific dates cited below needed to be reprocessed.  This is due to an error of Antenna Scan Angle (ASA), that required the SMAP project to replace TB files containing the affected orbits.

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