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Dual-frequency Dual-polarized Doppler Radar (D3R)

Submitted by JacobAdmin on Thu, 02/24/2011

The D3R will operate as part of GPM Ground Validation, supporting GPM pre-launch algorithm development and will contribute to post-launch precipitation product validation. In the pre-launch era, the D3R provides independent estimation of hydrometeor classification and drop size distribution retrievals. The radar thus offers an insight into the microphysical processes that dominate the retrieval (and associated measurement error) of precipitation types and rates from satellite data.

TRMM Instruments

Engineers at Goddard Space Flight Center constructing the TRMM satellite assembl
Monday, January 31, 2011
The Tropical Rainfall Measuring Mission is the first Earth Science mission dedicated to studying tropical and subtropical rainfall: precipitation that falls within 35 degrees north and 35 degrees south of the equator. Tropical rainfall comprises more than two-thirds of the world's total. The satellite uses several instruments to detect rainfall including radar, microwave imaging, and lightning sensors. Flying at a low orbital altitude of 240 miles (400 kilometers) TRMM's data collection of tropical precipitation helps improve our understanding about climate and weather. The Japanese space...
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