HR: 08:45h
AN: A51G-03    [Abstracts]
TI: The Budget of Ozone and its Precursors as Calculated by the Global Modeling Initiative
AU: * Rodriguez, J M
EM: jrodriguez@rsmas.miami.edu
AF: Rosenstiel School of Marine and Atmospheric Science, University of Miami 4600 Rickenbacker Causeway, Miami, FL 33149 United States
AU: Duncan, B N
EM: duncan@hyperion.gsfc.nasa.gov
AF: Goddard Earth Science and Technology Center, University of Maryland, Baltimore County/NASA Goddard Space Flight Center, Greenbelt, MD 20771 United States
AU: Logan, J A
EM: jal@io.harvard.edu
AF: Harvard University, 29 Oxford Street, Cambridge, MA 02138 United States
AU: Das, B
EM: bdas@nccs.gsfc.nasa.gov
AF: Advanced Management Technology, Inc., NASA/Goddard Space Flight Center, Greenbelt, MD 20771 United States
AU: Kouatchou, J
EM: kouatchou@gsfc.nasa.gov
AF: Computer Sciences Corporation, Inc., NASA/Goddard Space Flight Center, Greenbelt, MD 20771 United States
AU: Strahan, S E
EM: strahan@prometheus.gsfc.nasa.gov
AF: Goddard Earth Science and Technology Center, University of Maryland, Baltimore County/NASA Goddard Space Flight Center, Greenbelt, MD 20771 United States
AB: Simulations of tropospheric ozone and its precursors have been carried out by the Global Modeling Initative (GMI) chemical-transport model (CTM). The simulations incorporate meteorological fields obtained from the Community Climate Model (CCM), Goddard Institute for Space Studies (GISS), and the NASA/Goddard's Global Modeling and Analysis Office (GMAO). All other model components are the same across simulations with different meteorological fields. Incorporation of new kinetic data for O(1D) reactions improves the model-calculated lifetime of methyl chloroform. The performance of the model utilizing the different meteorological fields is also evaluated by statistical comparison to measurements from ozone sondes, surface CO and ozone measurements, and other measurements The model results are used to diagnose the relative importance of different chemical and meteorological processes that determine concentrations of ozone and its precursors at regional and global scales, and how the characteristics of different meteorological fields influence these diagnosed budgets.
DE: 0365 Troposphere--composition and chemistry
DE: 0368 Troposphere--constituent transport and chemistry
SC: Atmospheric Sciences [A]
MN: 2004 AGU Fall Meeting