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Online Simulations and Forecasts of the Global Aerosol Distribution in the NASA GEOS-5 ModelWe present an analysis of simulations of the global aerosol system in the NASA GEOS-5 transport, radiation, and chemistry model. The model includes representations of all major tropospheric aerosol species, including dust, sea salt, black carbon, particulate organic matter, and sulfates. The aerosols are run online for the period 2000 through 2005 in a simulation driven by assimilated meteorology from the NASA Goddard Data Assimilation System. Aerosol surface mass concentrations are compared with existing long-term surface measurement networks. Aerosol optical thickness is compared with ground-based AERONET sun photometry and space-based retrievals from MODIS, MISR, and OMI. Particular emphasis is placed here on consistent sampling of model and satellite aerosol optical thickness to account for diurnal variations in aerosol optical properties. Additionally, we illustrate the use of this system for providing chemical weather forecasts in support of various NASA and community field missions.
Document ID
20070010480
Acquisition Source
Goddard Space Flight Center
Document Type
Conference Paper
Authors
Colarco, Peter
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Date Acquired
August 23, 2013
Publication Date
January 1, 2006
Subject Category
Meteorology And Climatology
Meeting Information
Meeting: Joint CACGP/IGAC/WMO Symposium: Atmospheric Chemistry at the Interfaces 2006
Location: Cape Town
Country: South Africa
Start Date: September 9, 2006
End Date: September 24, 2006
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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