Weekly Report for the Week of October 6, 2008
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GSFC Laboratory for Atmospheres, Code 613
Noteworthy science achievements/awards
George Huffman (613.1/SSAI) will receive the AMS Journal of Hydrometeorology Editor's Award at the 2009 Annual Awards Banquet in Phoenix.
Projects/missions
- George J. Huffman (SSAI; 613.1) participated in the WCRP/GEWEX Radiation Panel (GRP) Working Group on Data Management and Analysis (WGDMA) 2008 Meeting, 22-24 September 2008. He presented:
- * Huffman (SSAI; 613.1), G.J., 2008: Global Merged Development Centre (GMDC) Report. GRP WGDMA 2008, 22-24 September 2008, Hong Kong.
- * Huffman (SSAI; 613.1), G.J., 2008: Status of the TMPA (TRMM Multi-satellite Precipitation Analysis). GRP WGDMA 2008, 22-24 September 2008, Hong Kong.
This meeting developed plans for continuing and upgrading current Global Precipitation Climatology Project products, as well as creating a new version. The Laboratory’s precipitation group is a key producer of these data sets, which are the international standard for long-term global precipitation data sets.
External interactions (HQ, universities, other Gov't organizations, etc.)
- Toshihisa Matsui (613.1/UMBC) is visiting Colorado State University to collaborate with Dr. Liston (CSU CIRA) to understand the sub-grid land-surface snow process and snow emissivity. The updated land-surface microwave emissivity model will be incorporated into the passive microwave simulator in the Goddard Satellite Data Simulation Unit.
- Dr. Matsui is also collaborating with Dr. Nakajima and Dr. Suzuki (both at CSU) to create the CVS-version of Goddard SDSU to support the Japanese EarthCARE simulator project. This CVS-version of SDSU will be shared and developed by EarthCARE project scientists.
Accepted papers
Wang, J. (613.1/SSAI) and D. B. Wolff, (613.1/SSAI) 2008: Comparisons of Reflectivities from the TRMM Precipitation Radar and Ground-Based Radars. J. Atmos. Tech., Accepted.
This paper provides a climatology of comparisons between the TRMM Precipitation Radar and ground-based radars at the four principal TRMM Ground Validation sites. The 10+ years of successful TRMM operations makes it possible for quantitative calibrations of GRs to be obtained over longer time periods and with greater certainty in various climatological regions.
Other Items
Wolff, D. B. (613.1/SSAI), and B. L. Fisher (613.1/SSAI), 2008: Assessing the Relative Performance of Microwave-Based Satellite Rain Rate Retrievals Using TRMM Ground Validation Data, J. Appl. Met. and Clim., Submitted.
This paper is important in that it assesses the performance of several satellite platforms: AMSU (N15, N16 and N17), SSM/I (F13, F14 and F15), AMSR-E and TRMM Microwave Imager (TMI). We have shown that both TMI are the premier space-based precipitation platforms, with superior skill, correlation, and lowest biases in both observing and estimating surface rain rates when compared to TRMM Ground Validation data at Kwajalein, RMI and Melbourne, FL.
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