10.4 New Products and Perspectives from the Global Precipitation Measurement (GPM) Mission

Thursday, 18 August 2016: 9:15 AM
Madison Ballroom CD (Monona Terrace Community and Convention Center)
Christian Kummerow, Colorado State University, Fort Collins, CO; and D. Randel

The Global Precipitation Measurement (GPM) mission was launched in February 2014 as a joint mission between JAXA from Japan and NASA from the United States. GPM carries a state of the art dual-frequency precipitation radar and a multi-channel passive microwave radiometer that acts not only to enhance the radar's retrieval capability, but also as a reference for a constellation of existing satellites carrying passive microwave sensors. In March of 2016, GPM released Version 4 of its precipitation products that consists of radar, radiometer, and combined radar/radiometer products. The precipitation products from these sensors or sensor combinations are relatively consistent except over areas of very deep convection over land. This talk will explore these consistencies and discrepancies from a physical perspective in order to gain some understanding between cloud structures, information content, and retrieval differences. This analysis will be used to then drive a bigger picture of how GPM's latest results inform the Global Water and Energy budgets.

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