1. EOSDIS Data News Archive
  2. EOSDIS Data News - 2/24/2017

EOSDIS Data News - 2/24/2017

NSIDC DAAC

  • NSIDC DAAC also announced that, due to a problem with the Antenna Azimuth file used to process the half-orbit 01966_A, the Soil Moisture Active Passive (SMAP) Science Data Systems (SDS) team has replaced the following files:
    • SMAP_L1B_TB_01966_A_20150614T231537_R14010_001.h5 (Regenerated 2017-02-11)
    • SMAP_L1C_TB_01966_A_20150614T231537_R14010_001.h5 (Regenerated 2017-02-14)
    • SMAP_L1C_TB_E_01966_A_20150614T231537_R14010_001.h5 (Regenerated 2017-02-14)
    • SMAP_L2_SM_P_E_01966_A_20150614T231537_R14010_001.h5 (Regenerated 2017-02-14)
    • SMAP_L2_SM_P_01966_A_20150614T231537_R14010_001.h5 (Regenerated 2017-02-16)

SMAP SDS has corrected the Antenna Azimuth file and regenerated these half-orbits. Users are advised to download the replacement data files soon.

  • Due to a problem involving the atmospheric correction algorithm used to process SMAP Level-1B (L1B) brightness temperatures, some half-orbit data files contain invalid brightness temperature values. The errors occur infrequently, about one-half orbit per month, and affected files have been removed from the following datasets:

The SMAP SDS team is working to correct the issue in forward processing. Until that time, files will continue to be affected with a frequency of approximately one-half orbit per month. NSIDC DAAC will continue to identify and remove all affected files. Files currently affected are documented in a missing files spreadsheet, which will be updated and posted to the following How To article approximately once per month.

  • NSIDC DAAC also announced that, due to a problem with the Antenna Azimuth file used to process the half-orbit 01966_A, the SMAP SDS team has replaced the following files:
    • SMAP_L1B_TB_01966_A_20150614T231537_R14010_001.h5 (Regenerated 2017-02-11)
    • SMAP_L1C_TB_01966_A_20150614T231537_R14010_001.h5 (Regenerated 2017-02-14)
    • SMAP_L1C_TB_E_01966_A_20150614T231537_R14010_001.h5 (Regenerated 2017-02-14)
    • SMAP_L2_SM_P_E_01966_A_20150614T231537_R14010_001.h5 (Regenerated 2017-02-14)
    • SMAP_L2_SM_P_01966_A_20150614T231537_R14010_001.h5 (Regenerated 2017-02-16)

SMAP SDS has corrected the Antenna Azimuth file and regenerated these half-orbits. Users are advised to download the replacement data files soon.

Suomi-NPP OMPS / GES DISC

  • The Suomi National Polar-orbiting Partnership (Suomi-NPP) Ozone Mapping and Profiler Suite (OMPS) Limb Profiler (LP) Science Team and GES DISC released the Version 1 AER675 aerosol profile data product from the OMPS LP instrument on the Suomi-NPP satellite. This product consists of daily files containing individual aerosol extinction coefficient profiles retrieved at 675 nm (10-40 km altitude range). Cloud height detection information is also reported for each profile for the altitude range 5-35 km. Regular OMPS LP measurements began in April 2012 and continue to the present. See OMPS LP Data News for additional information on these data including dataset documentation and access to the data.

Last Updated: Aug 18, 2017 at 10:07 AM EDT