An Improved Microwave Satellite Data Set for Hydrological and Meteorological Applications

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Wednesday, 5 February 2014
Hall C3 (The Georgia World Congress Center )
Wenze Yang, University of Maryland, College Park, MD; and H. Meng and R. R. Ferraro

Handout (3.0 MB)

More than one decade of observations from the Advanced Microwave Sounding Unit-A (AMSU-A) onboard the polar-orbiting satellites NOAA-15 to NOAA-19, and European Meteorological Operational satellite program-A (MetOp-A) provide global information on atmospheric temperature profile, water vapor, cloud, precipitation, etc. After the addressing of the asymmetric cross-scan bias of the AMSU-A window channels, and inter-calibration among the same sensor onboard the different NOAA (NOAA-15, -16, -17, -18 and -19) and EUMETSAT (MetOp-A), the quality of the data set has been improved regarding to symmetry and consistency, for both fundamental and thematic climate data record (CDR). This update is important to the primary scientific users, including "blended" product developers and organizations, such as WCRP/GEWEX/GPCP/CMORPH, and etc, to improve their data quality accordingly. Specifically, the improved total precipitable water (TPW) product is vital in calculating humidity transport and detecting atmospheric rivers, which are closely related to extreme precipitation.