HR: 0800h
AN: A51B-09    [Abstracts]
TI: OMI measurements of aerosol absorption over Central America
AU: * Torres, O
AF: University of Maryland Baltimore County, 1000 Hilltop Circle, Baltimore, MD 21250, United States
AU: Bhartia, P
AF: NASA Goddard Space Flight Center, Code 613.3, Greenbelt, MD 20771, United States
AB: The Ozone Monitoring Instrument (OMI) on the Eos-Aura satellite retrieves information on column aerosol absorption using measurements of backscattered radiation in the near UV. OMI aerosol products include the UV Aerosol Index as well as estimates of aerosol extinction and absorption optical depth. Spring season biomass burning is the main source of absorbing aerosols in Central America. The horizontal spread of the Central American carbonaceous aerosol plume may extend over the oceans and as far north as NE United States depending on the meteorological conditions. Pollution aerosols from local sources as well as mineral aerosol from local and distant sources are also frequently detected by OMI over this region. The spatial and temporal distribution of aerosol absorption over Central America as derived from OMI will be discussed.
DE: 0300 ATMOSPHERIC COMPOSITION AND STRUCTURE
DE: 0305 Aerosols and particles (0345, 4801, 4906)
DE: 0345 Pollution: urban and regional (0305, 0478, 4251)
DE: 0360 Radiation: transmission and scattering
SC: Atmospheric Sciences [A]
MN: 2007 Joint Assembly