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Begin Main Content
QUICK LINKS
DON'T MISS THIS!
New - GEOS-5 Documentation
A nearly complete draft of the documentation of the GEOS-5 DAS is now available.
+ " The GEOS-5 Data Assimilation System - Documentation
of Versions 5.0.1, 5.1.0, and 5.2.0 " (DRAFT)
RESEARCH BRIEFS
 Convective Transport of Trace Gases
Modeled transport of CO and CO2 is used to evaluate parameterizations in GEOS-5 and to identify which parameters have the greatest impact on trace gas transport in three different storms.
+ Read Research Brief
 Multimodel Projections of Stratospheric Ozone in the 21st Century
Simulations from eleven coupled chemistry-climate models (CCMs) employing nearly identical forcings have been used to project the evolution of stratospheric ozone throughout the 21st century.
+ Read Research Brief
 Improving Estimates of Surface Chlorophyll by Assimilation of SeaWiFS Data
Daily, global surface chlorophyll values for 1998 to 2004 have been estimated by assimilation of SeaWiFS data into the NASA Ocean Biogeochemical Model.
+ Read Research Brief
See:
+ More Research Briefs
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WELCOME
The Global Modeling and Assimilation Office (GMAO) is a component of the Earth Sciences Division at NASA's Goddard Space Flight Center. We contribute to NASA's Science Mission Directorate in the development and use of satellite observations through the integrating tools of models and assimilation systems.
+ Read More
WHAT'S NEW
02.13.2008 - GMAO Supports ARCTAS Campaign in Spring/Summer 2008
The Arctic Research of the Composition of the Troposphere from Aircraft and Satellites (ARCTAS) campaign will take place during the Spring and Summer of 2008. The GMAO, in collaboration with SIVO, The Atmospheric Chemistry and Dynamics Branch,and NCCS will provide chemical forecast support for aiding flight planning and data analysis in the field.
+ Read More
 02.13.2008 - MERRA User's Group Endorses Production
The MERRA External User Group has requested that GMAO proceed with MERRA production after discussing the results of recent validation experiments at the Group's November 2007 meeting. Production began at the end of January 2008.
+ Read Summary of Meeting
See:
+ GMAO News Archive
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