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Description

This Level-3 gridded product (AE_SI6) includes brightness temperatures at 89.0 GHz. Data are mapped to a polar stereographic grid at 6.25 km spatial resolution. This product is an intermediate product during processing of AMSR-E Level-3 sea ice products at 12.5 km and 25 km resolution.

Version Description

Changes to the Version 3 algorithm for these data include:

  • Uses Version 3 of the AMSR-E/Aqua L2A Global Swath Spatially-Resampled Brightness Temperatures data as input
  • Improved Antarctic land mask: Includes an updated ice shelf definition created by the National Ice Center Science Department in June 2011, and an updated shoreline developed from ENVISAT and RADARSAT imagery from October 2009 to April 2010. Also, this updated version no longer uses the Level-2A land flag and only uses the updated land mask for surface type classification in the southern hemisphere sea ice concentration algorithm.
  • Inclusion of ISO lineage metadata

Product Summary

Platforms
Aqua
Instruments
AMSR-E
Spatial Extent

N: -39.23 S: -90 E: 180 W: -180

,

N: 90 S: 30.98 E: 180 W: -180

Spatial Resolution
6.25 Kilometers x 6.25 Kilometers
Spatial Reference System(s)
Multiple EPSG codes (see User Guide)
Location
POLAR
Coordinate System
CARTESIAN
Granule Spatial Representation
CARTESIAN
Temporal Extent
2002-06-01 to 2011-10-04
Concept ID
C3235764149-NSIDC_CPRD
Data State
DEPRECATED
Number of Files/Granules
0
Processing Level
3
Published
Science Keywords
Brightness Temperature

Citation

Citation is critically important for dataset documentation and discovery. This dataset is openly shared, without restriction, in accordance with the EOSDIS Data Use and Citation Guidance.

Copy Citation

Cavalieri, D., Markus, T., & Comiso, J. (2014). AMSR-E/Aqua Daily L3 6.25 km 89 GHz Brightness Temperature Polar Grids, Version 3 [Dataset]. NASA National Snow and Ice Data Center Distributed Active Archive Center. https://doi.org/10.5067/AMSR-E/AE_SI6.003 Date Accessed: 2026-09-12

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Publications Citing This Dataset

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Title Year Author Topic
Estimation of Sea Ice Production in the North Water Polynya Based on Ice Arch Duration in Winter During 20062019 Ren, Haiyi, Shokr, Mohammed, Li, Xinqing, Zhang, Zhilun, Hui, Fengming, Cheng, Xiao Brightness Temperature, Sea Ice Concentration, Sea Ice Motion, Snow Depth, Brightness Temperature, Sea Ice Concentration, Snow Depth
The role of oceanic heat flux in reducing thermodynamic ice growth in Kirillov, Sergei, Dmitrenko, Igor, Babb, David G., Ehn, Jens K., Koldunov, Nikolay, Rysgaard, Sren, Jensen, David, Barber, David G. Brightness Temperature, Sea Ice Concentration, Sea Ice Motion, Snow Depth, Snow Water Equivalent, Sea Ice Elevation
Estimation of Sea Ice Production in the Bering Sea From AMSR-E and AMSR2 Data, With Special Emphasis on the Anadyr Polynya Ohshima, Kay I., Tamaru, Naoya, Kashiwase, Haruhiko, Nihashi, Sohey, Nakata, Kazuki, Iwamoto, Katsushi Brightness Temperature, Sea Ice Concentration, Sea Ice Concentration, Snow Depth, Snow Depth
Cascading off the West Greenland Shelf: A numerical perspective Marson, Juliana M., Myers, Paul G., Hu, Xianmin, Petrie, Brian, AzetsuScott, Kumiko, Lee, Craig M. Brightness Temperature
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