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A Pilot Reanalysis Project at COLA

D. A. PaolinoCenter for Ocean–Land–Atmosphere Studies, Institute of Global Environment and Society, Calverton, Maryland

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Q. YangCenter for Ocean–Land–Atmosphere Studies, Institute of Global Environment and Society, Calverton, Maryland

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B. DotyCenter for Ocean–Land–Atmosphere Studies, Institute of Global Environment and Society, Calverton, Maryland

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J. L. Kinter IIICenter for Ocean–Land–Atmosphere Studies, Institute of Global Environment and Society, Calverton, Maryland

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J. ShuklaCenter for Ocean–Land–Atmosphere Studies, Institute of Global Environment and Society, Calverton, Maryland

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David M. StrausCenter for Ocean–Land–Atmosphere Studies, Institute of Global Environment and Society, Calverton, Maryland

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Results are presented from a retrospective analysis of 19 months (May 1982–November 1983) of global atmospheric observations. The National Meteorological Center Global Data Assimilation System was used in tandem with the atmospheric general circulation model of the Center for Ocean–Land–Atmosphere Studies to produce four-times-daily representations of the global atmosphere. Statistics were compiled regarding the use of data by the analysis and the decisions of the quality control procedures. Comparison of the reanalyses with both observation and the archived contemporaneous analyses showed substantial improvements in the representation of the global atmospheric circulation, possibly excepting the Southern Hemisphere south of 60°S. A list of data products from the reanalysis is given in an appendix.

Corresponding author address: D. A. Paolino, COLA, Suite 302, 4041 Powder Mill Rd., Calverton, MD 20705 E-mail: paolino@cola.iges.org

Results are presented from a retrospective analysis of 19 months (May 1982–November 1983) of global atmospheric observations. The National Meteorological Center Global Data Assimilation System was used in tandem with the atmospheric general circulation model of the Center for Ocean–Land–Atmosphere Studies to produce four-times-daily representations of the global atmosphere. Statistics were compiled regarding the use of data by the analysis and the decisions of the quality control procedures. Comparison of the reanalyses with both observation and the archived contemporaneous analyses showed substantial improvements in the representation of the global atmospheric circulation, possibly excepting the Southern Hemisphere south of 60°S. A list of data products from the reanalysis is given in an appendix.

Corresponding author address: D. A. Paolino, COLA, Suite 302, 4041 Powder Mill Rd., Calverton, MD 20705 E-mail: paolino@cola.iges.org
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