On Wednesday, May 12th from 9:00 a.m. to 1:00 p.m. (USA Mountain Time), the following data collections may not be available due to planned system maintenance: AMSR-E, Aquarius, High Mountain Asia, IceBridge, ICESat/GLAS, ICESat-2, MEaSUREs, MODIS, NISE, SMAP, SnowEx, and VIIRS.
Data Set ID:
AA_L2A

AMSR/ADEOS-II L2A Global Swath Spatially-Resampled Brightness Temperatures, Version 1

The AMSR Level-2A product (AA_L2A) contains brightness temperatures at 6.9 GHz, 10.65 GHz, 18.7 GHz, 23.8 GHz, 36.5 GHz, 89.0 GHz, 50.3 GHz, and 52.8GHz. Data are resampled to be spatially consistent except for the 50.3GHz and 52.8GHz data, and therefore are available at a variety of resolutions that correspond to the footprint sizes of the observations such as 56 km, 38 km, 24 km, 21 km, 12 km, and 5.4 km, respectively.

This is the most recent version of these data.

Version Summary:

Initial data product release.

STANDARD Level of Service

Data: Data integrity and usability verified

Documentation: Key metadata and user guide available

User Support: Assistance with data access and usage; guidance on use of data in tools

See All Level of Service Details

Parameter(s):
  • MICROWAVE > BRIGHTNESS TEMPERATURE
  • MICROWAVE > MICROWAVE IMAGERY
Data Format(s):
  • HDF-EOS
Spatial Coverage:
N: 90, 
S: -90, 
E: 180, 
W: -180
Platform(s):ADEOS-II
Spatial Resolution:
  • 5 km to 50 km x 5 km to 50 km
Sensor(s):AMSR
Temporal Coverage:
  • 18 January 2003 to 24 October 2003
Version(s):V1
Temporal Resolution50 minuteMetadata XML:View Metadata Record
Data Contributor(s):Peter Ashcroft, Frank Wentz

Geographic Coverage

Other Access Options

Other Access Options

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As a condition of using these data, you must cite the use of this data set using the following citation. For more information, see our Use and Copyright Web page.

Japan Aerospace Exploration Agency (JAXA). 2009. AMSR/ADEOS-II L2A Global Swath Spatially-Resampled Brightness Temperatures, Version 1. [Indicate subset used]. Boulder, Colorado USA. NASA National Snow and Ice Data Center Distributed Active Archive Center. doi: https://doi.org/10.5067/ADEOS-II/AMSR/AA_L2A.001. [Date Accessed].

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FAQ

Are any higher-level AMSR/ADEOS-II products available?
No, the AMSR/ADEOS-II L2A Global Swath Spatially-Resampled Brightness Temperatures is the highest-level AMSR product available from the ADEOS-II mission.
How do I convert an HDF/HDF-EOS file into binary format?
To convert HDF or HDF-EOS files into binary format you can use the hdp utility, which is part of the HDF4 distribution available from the HDF Group. How you install HDF4 depends on your operating system. Full instructions for installing and using hdp on Mac/Unix and... read more

How To

Filter and order from a data set web page
Many NSIDC data set web pages provide the ability to search and filter data with spatial and temporal contstraints using a map-based interface. This article outlines how to order NSIDC DAAC data using advanced searching and filtering.  Step 1: Go to a data set web page This article will use the... read more