National Snow & Ice Data Center Distributed Active Archive Center

nasa-nsidcdaac-0200

SMEX02 SSM/I Brightness Temperature Data, Iowa

The Special Sensor Microwave/Imager (SSM/I) is a seven-channel, four-frequency, linearly polarized passive microwave radiometric system. Data are brightness temperatures given by channel: 85.5 GHz, 37.0 GHz, 22.2 GHz, and 19.3 GHz. The study was conducted between 29 April and 13 July 2002 in the SMEX02 Iowa study area. Data are provided as ASCII text files and are available via FTP. These data were collected as part of a validation study for the Advanced Microwave Scanning Radiometer - Earth Observing System (AMSR-E). AMSR-E is a mission instrument launched aboard NASA's Aqua Satellite on 04 May 2002. AMSR-E validation studies linked to SMEX are designed to evaluate the accuracy of AMSR-E soil moisture data. Specific validation objectives include assessing and refining soil moisture algorithm performance; verifying soil moisture estimation accuracy; investigating the effects of vegetation, surface temperature, topography, and soil texture on soil moisture accuracy; and determining the regions that are useful for AMSR-E soil moisture measurements.

http://nsidc.org/data/NSIDC-0200

Identified by : NSIDC-0200

This dataset was released on January 09, 2003.

The time range for this dataset is April 29, 2002 to July 13, 2002.

The spatial range for this dataset is 34.5° to 44.5° latitude, and -100° to -90° longitude. map (center)

This dataset uses data from an instance of the special-sensor-microwave-imager instrument on the defense-meteorological-satellite-program-f-13 platform.
This dataset uses data from an instance of the special-sensor-microwave-imager instrument on the defense-meteorological-satellite-program-f-14 platform.
This dataset uses data from an instance of the special-sensor-microwave-imager instrument on the defense-meteorological-satellite-program-f-15 platform.
DOI : 10.5067/WK4WA91H9B1Z
Also known as :

• dataset oai:nsidc/NSIDC-0200 (nsidc lexicon)