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NASA GPM GV Science ImplementationPre-launch algorithm development & post-launch product evaluation: The GPM GV paradigm moves beyond traditional direct validation/comparison activities by incorporating improved algorithm physics & model applications (end-to-end validation) in the validation process. Three approaches: 1) National Network (surface): Operational networks to identify and resolve first order discrepancies (e.g., bias) between satellite and ground-based precipitation estimates. 2) Physical Process (vertical column): Cloud system and microphysical studies geared toward testing and refinement of physically-based retrieval algorithms. 3) Integrated (4-dimensional): Integration of satellite precipitation products into coupled prediction models to evaluate strengths/limitations of satellite precipitation producers.
Document ID
20090028703
Acquisition Source
Marshall Space Flight Center
Document Type
Presentation
Authors
Petersen, W. A. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Date Acquired
August 24, 2013
Publication Date
June 16, 2009
Subject Category
Meteorology And Climatology
Report/Patent Number
M09-0513
Meeting Information
Meeting: International GPM Planning Meeting
Location: Paris
Country: France
Start Date: June 16, 2009
End Date: June 18, 2009
Sponsors: NASA Headquarters
Distribution Limits
Public
Copyright
Public Use Permitted.

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