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Data Set ID: 
AE_SI12

AMSR-E/Aqua Daily L3 12.5 km Brightness Temperature, Sea Ice Concentration, & Snow Depth Polar Grids, Version 2

The Advanced Microwave Scanning Radiometer - Earth Observing System (AMSR-E) instrument on the NASA Earth Observing System (EOS) Aqua satellite, provides global passive microwave measurements of land, ocean, and atmospheric variables for the investigation of water and energy cycles.

This Level-3 gridded product (AE_SI12) includes brightness temperatures at 18.7 through 89.0 GHz, sea ice concentration, and snow depth over sea ice. Data are mapped to a polar stereographic grid at 12.5 km spatial resolution. Sea ice concentration and brightness temperatures include daily ascending averages, daily descending averages, and daily averages; snow depth over sea ice data is a five-day running average. Data are stored in HDF-EOS format and are available from 19 June 2002 to 3 October 2011 via FTP.

There is a more recent version of these data.

Parameter(s):
  • Microwave > Brightness Temperature > BRIGHTNESS TEMPERATURE
  • Microwave > Microwave Imagery > MICROWAVE IMAGERY
  • Sea Ice > Sea Ice Concentration > SEA ICE CONCENTRATION
  • Sea Ice > Snow Depth > SNOW DEPTH
Data Format(s):
  • HDF-EOS2
Spatial Coverage:
N: 90, 
N: -39.23, 
S: 30.98, 
S: -90, 
E: 180, 
E: 180, 
W: -180
W: -180
Platform(s):AQUA
Spatial Resolution:
  • 12.5 km x 12.5 km
Sensor(s):AMSR-E
Temporal Coverage:
  • 19 June 2002 to 3 October 2011
Version(s):V2
Temporal Resolution1 dayMetadata XML:View Metadata Record
Data Contributor(s):Donald Cavalieri, Josefino 'Joey' Comiso, Thorsten Markus

Geographic Coverage

No access options.

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.

Cavalieri, D. J., T. Markus, and J. C. Comiso. 2003. AMSR-E/Aqua Daily L3 12.5 km Brightness Temperature, Sea Ice Concentration, & Snow Depth Polar Grids, Version 2. [Indicate subset used]. Boulder, Colorado USA. NASA National Snow and Ice Data Center Distributed Active Archive Center. doi: https://doi.org/10.5067/AMSR-E/AE_SI12.002. [Date Accessed].
A user guide is not available for this data set.
No technical references available for this data set.

How To

Programmatic Data Access Guide
Data from the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) can be accessed directly from our HTTPS file system or through our Application Programming Interface (API). Our API offers you the ability to order data using specific temporal and spatial filters... read more
Visualize NSIDC data as WMS layers with ArcGIS and Google Earth
NASA's Global Imagery Browse Services (GIBS) provides up to date, full resolution imagery for selected NSIDC DAAC data sets. ... read more
Search, order, and customize NSIDC DAAC data with NASA Earthdata Search
NASA Earthdata Search is a map-based interface where a user can search for Earth science data, filter results based on spatial and temporal constraints, and order data with customizations including re-formatting, re-projecting, and spatial and parameter subsetting. Thousands of Earth science data... read more
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
How do I convert an HDF5/HDF-EOS5 file into binary format?
To convert HDF5 files into binary format you will need to use the h5dump utility, which is part of the HDF5 distribution available from the HDF Group. How you install HDF5 depends on your operating system. Full instructions for installing and using h5dump on Mac/Unix and... read more
Visualize and download NSIDC DAAC data with NASA Worldview
NASA Worldview uses the Global Imagery Browse Service (GIBS) to provide up to date, full resolution imagery for select NSIDC DAAC data sets (see attachments below). The map interface allows users to... read more

FAQ

How do I extract latitude and longitude information from AMSR-E sea ice data?
AMSR-E sea ice data sets are provided in the Polar Stereographic projection. NSIDC provides gridded latitude and longitude files that give the coordinates for the center of each grid cell. The latitude and longitude files are... read more
What data subsetting, reformatting, and reprojection services are available for AMSR-E data?
The following table describes the data subsetting, reformatting, and reprojection services that are currently available for AMSR-E data via the NASA Earthdata Search tool. Short Name Title Parameter... read more
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