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JPL SMAP-SSS V4.0 dataset released

February 22, 2018

The JPL SMAP Version 4.0 datasets spans the full mission, with data available from 2 April 2015 to present. Global coverage data products include an 8-day running mean as well as monthly averages. Level 2 swath data are also available as part of the product release. They are available with a latency of 3 days for the L2 dataset, and 8 days and 1 month for the respective L3 products. The spatial resolution of the SMAP sensor, approximately 40 km, allows for improved applications to coastal and regional studies.  The image shows the seasonal average surface salinity for the summer of 2015. Clearly visible is the freshwater plume that is typical for the Gulf of Mexico. Features associated with the Loop Current can also be identified.

Data is available through PO.DAAC Drive at: https://podaac-tools.jpl.nasa.gov/drive/files/allData/smap

Subsetting and data extraction are available through https://podaac-tools.jpl.nasa.gov/las/UI.vm

JPL SMAP Summer 2015