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UNIVERSITY OF BUCHAREST
FACULTY OF PHYSICS Guest
2024-11-23 18:07 |
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Conference: Bucharest University Faculty of Physics 2009 Meeting
Section: Atmosphere and Earth Science; Environment Protection
Title:
The Direct Radiative Forcing of the PM10 for Urban and Rural Zones
Authors:
Raluca Barladeanu, Sabina Stefan
Affiliation:
University of Bucharest, Faculty of Physics, Atmospheric Physics Dept, P.O.BOX, MG-11, 077125 Magurele, Romania, raluca_barladeanu@yahoo.com
E-mail
raluca_barladeanu@yahoo.com
Keywords:
radiative forcing; radiative budget; PM10
Abstract:
Today the interest in aerosols is high mainly because of their effect on human health and their role in climate change. Observations and model calculations show that the increase in the atmospheric aerosol burden is delaying the global warming expected from the increase in greenhouse gasses. The aim of present paper is to analyze the direct effect of the aerosol and to compute the aerosol radiative forcing at surface of the Earth in five air quality monitoring stations, from Bucharest region. The determination of PM10 direct effect and radiative forcing are based by using of the concentrations, the types of chemical species and how these are transformed and mixed in the atmosphere and of optical parameters. In this idea we performed a statistical analysis of the concentrations of the PM10 for three years (2005-2007). The optical parameters are obtained by used OPAC soft (Optical Properties of Aerosols and Clouds). The meteorological conditions in connection to PM10 concentrations were studied to asses the radiative forcing. The results have shown that the radiative forcing in urban zone is larger than in rural zone. Consequently, the radiative budget in an urban zone are strongly modified in comparison with rural zone due to atmospheric pollution and the changes to the surface of the land caused by urban development.
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