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Use of Dual Polarization Radar in Validation of Satellite Precipitation Measurements: Rationale and OpportunitiesDual-polarization weather radars have evolved significantly in the last three decades culminating in the operational deployment by the National Weather Service. In addition to operational applications in the weather service, dual-polarization radars have shown significant potential in contributing to the research fields of ground based remote sensing of rainfall microphysics, study of precipitation evolution and hydrometeor classification. Furthermore the dual-polarization radars have also raised the awareness of radar system aspects such as calibration. Microphysical characterization of precipitation and quantitative precipitation estimation are important applications that are critical in the validation of satellite borne precipitation measurements and also serves as a valuable tool in algorithm development. This paper presents the important role played by dual-polarization radar in validating space borne precipitation measurements. Starting from a historical evolution, the various configurations of dual-polarization radar are presented. Examples of raindrop size distribution retrievals and hydrometeor type classification are discussed. The quantitative precipitation estimation is a product of direct relevance to space borne observations. During the TRMM program substantial advancement was made with ground based polarization radars specially collecting unique observations in the tropics which are noted. The scientific accomplishments of relevance to space borne measurements of precipitation are summarized. The potential of dual-polarization radars and opportunities in the era of global precipitation measurement mission is also discussed.
Document ID
20080023364
Acquisition Source
Goddard Space Flight Center
Document Type
Preprint (Draft being sent to journal)
Authors
Chandrasekar, V. (Colorado State Univ. CO, United States)
Hou, Arthur (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Smith, Eric (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Bringi, V. N. (Colorado State Univ. CO, United States)
Rutledge, S. A. (Colorado State Univ. CO, United States)
Gorgucci, E. (Consiglio Nazionale delle Ricerche Rome, Italy)
Petersen, W. A. (Alabama Univ. Huntsville, AL, United States)
SkofronickJackson, Gail (Alabama Univ. Huntsville, AL, United States)
Date Acquired
August 24, 2013
Publication Date
January 1, 2008
Subject Category
Earth Resources And Remote Sensing
Distribution Limits
Public
Copyright
Public Use Permitted.

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