Gi-Kong Kim (PI)
NASA Goddard Space Flight Center
Gi-Kong.Kim@nasa.gov

Global Data Assimilation Products

The overarching goal of the GMAO is to enable and enhance the use of NASA satellite observations to address the priority research issues of NASA¹s Science Mission Directorate and national priorities in weather and climate prediction. The GMAO currently generates several atmospheric products on a regular basis to support EOS instrument teams and associated field campaigns.  In addition,  a climate-relevant reanalysis of the historical data stream with a frozen assimilation system is being generated for CERES. Some products are generated real-time for input to instrument retrievals, others are generated in delayed mode so as to include the most comprehensive and highest quality data streams.  With the GEOS-5 system, we will generate a historical reprocessing from 1979 to the present, the MERRA project, that will be a NASA contribution to the CCSP.  This proposal is for GMAO to build upon our experience in maintaining a highly successful GEOS data product generation, to continue and enhance the current functions and capability for product generation into the future, for the GEOS-5 era and beyond with updated assimilation systems.  The proposal requests support for the operational infrastructure for the generation of global research quality data assimilation products, including: input data retrieval and quality control, product generation and quality assurance,  system maintenance and documentation, and interface with users and official customers to identify requirements and receive feedback on product quality.

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