GMAO Supports the NASA TC4 (Tropical Composition, Cloud and Climate Coupling) Mission

The NASA TC4 (Tropical Composition, Cloud and Climate Coupling) mission has investigated the structure, properties and processes in the tropical Eastern Pacific. A-train satellite observations provided crucial information on the spatial and temporal variations of this region, and carefully planned TC4 aircraft observations were required, both to validate satellite data and to provide critical observations not available from the satellites. High altitude aircraft collected tropopause data, while the medium altitude aircraft provided profiles and structure measurements of the tropical upper troposphere and lower stratosphere.

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GEOS-5 Reprocessing Effort Closes in on Operational Target

Using 120 processors per data stream, reprocessing for the approximately three-year period, beginning in April 2004, was completed on schedule during the first week of January 2007. This effort was accomplished with three, one-year long, concurrent production streams executing on HPC systems at the Goddard NCCS. Following processing of each data month, an intensive quality control effort was performed before the processing was considered complete and the data delivered. These data sets consist of the complete file set as outlined in the GEOS-5 File Specification and total nearly 14 GB's per day. Data are available to our users via the ECS in HDF-4 SZIP'ed format.

GMAO Chemical Forecast Contributes to Air Pollution Study

Chemical forecasts produced by the GMAO contributed to a study of air pollution over Texas which was enhanced by forest fires in Canada and Alaska. The paper appeared in JGR-Atmospheres this month.

The complete citation is:

Morris, Gary A.; Hersey, Scott; Thompson, Anne M.; Pawson, Steven; Nielsen, J. Eric; Colarco, Peter R.; McMillan, W. Wallace; Stohl, Andreas; Turquety, Solene; Warner, Juying; Johnson, Bryan J.; Kucsera, Tom L.; Larko, David E.; Oltmans, Samuel J.; Witte, Jacquelyn C.; Alaskan and Canadian forest fires exacerbate ozone pollution over Houston, Texas, on 19 and 20 July 2004, J. Geophys. Res., Vol. 111, No. D24, D24S03, 10.1029/2006JD007090

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