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Abstract Review
Corresponding Author |
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Authors |
Name | | Affiliation |
Sethu Raman |
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North Carolina State University |
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Abstract |
Session | | 1 (Instrumentation and observations to quantify the magnitude and distribution of atmospheric optical turbulence.) |
Title | | 'Influence of Coastal Meteorological Processes on Aerosol Transport ' |
Abstract | | Observations from studies in two regions where aerosol transport is dominated by the coastal land-air-sea interaction will be presented. An observational and modeling study was performed over the Arabian Gulf region to investigate the coastal circulations and aerosol transport in the area. Climatological data and observations from the United Arab Emirates – Unified Aerosol Experiment (UAE2) were used to develop a better understanding of the complex meteorological processes in the Arabian Gulf region. The geography of this region is unique because it can cause land-sea-air-land interactions that will modify the overlying air masses. Measurements of aerosol concentration taken during the UAE2 experiment are used to investigate aerosols, namely dust, transported in the Arabian Gulf region. Vertical profiles of dust concentration along with vertical profiles of potential temperature and wind are used to determine the source region, transport distance, and height of the dust layer. The aircraft aerosol vertical profiles suggest highest dust concentrations occur near the surface.
Observations of aerosol distribution over another region, the Indian ocean, obtained during INDOEX(1999) will be presented in relation to their long range transport and the coastal meteorological processes. Highest concentrations occur immediately above the marine boundary layer.
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