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Scientists blog from Antarctica and provide a glimpse of what it's like to do research in the field. 
What's hot in the news around climate and sea ice and what are scientists talking about now? 
NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) is pleased to announce its participation in NASA’s Earthdata Forum. Earthdata Forum provides a central online location… Read more »
Data Announcements: Aquarius 
New version available: Aquarius soil moisture data sets
All Aquarius soil moisture products have been updated to Version 5 and are now available from the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC)…. Read more »
New data set release: Aquarius L3 Weekly Polar-Gridded Landscape Freeze/Thaw Data, Version 5
The Aquarius L3 Weekly Polar-Gridded Landscape Freeze/Thaw Data, Version 5 data set is now available from the National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This Level-3 (L3)… Read more »
NSIDC Polaris Search and Order being Retired 15 February 2017
THE NSIDC Polaris Search and Order tool will be retired on 15 February 2017. Please contact NSIDC User Services via email: nsidc@nsidc.org with questions.
Version 5 Aquarius Polar-Gridded Data Now Available at NSIDC DAAC
The Aquarius polar-gridded Version 5 products are now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). These data sets include weekly polar-gridded… Read more »
New Version 4 Aquarius Soil Moisture Data, and New Soil Moisture Climatologies
Version 4 Aquarius L2 Swath Single Orbit Soil Moisture Data, and Version 4 Aquarius L3 Gridded 1-Degree Soil Moisture data are now available at the NASA National Snow and Ice… Read more »
Aquarius/SAC-D Mission Ends
Due to a power failure on the Satélite de Aplicaciones Científicas (SAC)-D spacecraft on 08 June 2015, data from NASA’s Aquarius instrument are no longer being produced. For more information… Read more »
New Version 3 Aquarius Level-3 Soil Moisture Data
Version 3 Aquarius L3 Gridded 1-Degree Soil Moisture data are now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This data set… Read more »
New Version 3 Aquarius Level-2 Soil Moisture Data
Version 3 Aquarius L2 Swath Single Orbit Soil Moisture data are now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This data… Read more »
New Aquarius L3 Weekly Polar-Gridded NRCS, SSS, and TB Data
NASA Aquarius level-3 weekly polar-gridded Normalized Radar Cross Section, Sea Surface Salinity, and Brightness Temperature data products are now available from NSIDC. For documentation, and to access the data, see… Read more »
