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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? 
SMAP Level-4 soil moisture and carbon data have been updated to Version 3 and are available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC… Read more »
Data Announcements: SMAP 
Replacement Files Available for SMAP Data Impacted by Atmospheric Correction Issue
An issue involving the atmospheric correction algorithm used to process SMAP Level-1B (L1B) brightness temperatures, as noted in the Select Data Files Impacted by SMAP L1B Processing Error data announcement,… Read more »
Replacement Files Available for SMAP Data Impacted by Antenna Azimuth Issue
Due to a problem with the Antenna Azimuth file used to process the half-orbit 01966_A, the SMAP Science Data System (SDS) team has replaced the following files: SMAP_L1B_TB_01966_A_20150614T231537_R14010_001.h5 (Regenerated 2017-02-11)… Read more »
Select Data Files Impacted by SMAP L1B Processing Error
Due to a problem involving the atmospheric correction algorithm used to process SMAP Level-1B (L1B) brightness temperatures, select half-orbit data files contain invalid brightness temperature values. The errors occur infrequently,… 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.
Reprocessing Complete for Newly Released SMAP Radiometer Data
The SMAP Science Data System (SDS) has completed reprocessing of the latest release of SMAP radiometer data products. As a result, the following products are now available from 31 March 2015… Read more »
New and Updated NASA SMAP Radiometer Products Now Available
The SMAP Science Data System (SDS) has released several new and updated NASA Soil Moisture Active Passive (SMAP) radiometer data products at the NASA National Snow and Ice Data Center… Read more »
Select Files Removed from SMAP Data Sets
Due to a problem with the Antenna Scan Angle file used to process the half-orbit 08619_D, the SMAP Science Data System (SDS) has removed the following files: SMAP_L1A_RADIOMETER_08619_D_20160911T214948_R13080_001.h5 SMAP_L1B_TB_08619_D_20160911T214948_R13080_001.h5 SMAP_L1C_TB_08619_D_20160911T214948_R13080_001.h5… Read more »
Reprocessing Complete for SMAP Data
The SMAP Science Data System (SDS) has completed reprocessing of the NASA SMAP Level-1B, -1C, -2, and -3 data products to Validated Version 3. Additionally, SMAP Level-4 products have been… Read more »
File Removed from the SMAP L1C Radiometer Half-Orbit 36 km EASE-Grid Brightness Temperatures Data Set
The SMAP_L1C_TB_01966_A_20150614T231537_R13080_001.h5 file was removed from the SMAP L1C Radiometer Half-Orbit 36 km EASE-Grid Brightness Temperatures Data Set because of a problem with the Antenna Azimuth file used to process… Read more »
