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AMSU Brightness Temperature - NOAA

Sample output image derived from AM SU Brightness Temperature, representing earth surface temperature in Kelvin, overlaid on projected global Mercator map.

This dataset provides advanced scientific researchers a high quality Climate Data Record (CDR) of Upper Atmospheric Layer Temperatures.

The Advanced Microwave Sounding Unit (AMSU) Brightness Temperature (BT) CDR delivers a measure of the mean temperature from a thick layer of the atmosphere weighted by the channel weighting functions of the microwave sounder in satellite swath format (level-1c). The input data for the NOAA AMSU BT consists of the raw counts data of the earth and blackbody views saved in the operational level-b files available from the NCEI Comprehensive Large Array-data Stewardship System (CLASS) library. Application of inter-satellite calibration for the raw counts data using National Oceanic and Atmospheric Administration (NOAA) Center for Satellite Applications and Research (STAR) Integrated Microwave Inter-calibration Approach (IMICA) provides the final consistent brightness temperature fundamental climate data record; NOAA/STAR IMICA accounts for calibration of non-linearity and artificial instrumental drifts.

Principal Investigator: Cheng-zhi Zou, NOAA STAR

Cite dataset when used as a source. See the dataset's DOI landing page for citation details at