Abstract
In their role as cloud condensation nuclei (CCN), aerosols are linked to, and often control, the hydrologic cycle and therefore major fluxes of the Earth’s radiation balance. Clouds, in tum, affect the levels and geographical distribution of aerosols by removing them in precipitation and by driving the general circulation. Aerosols are formed, evolve, and are eventually removed within the general circulation of the atmosphere. The characteristic time of many of the microphysical aerosol processes is days up to several weeks, hence longer than the residence time of the aerosol within a typical atmospheric compartment (e.g. the marine boundary layer, the free troposphere etc. …).To understand aerosol properties, one cannot confine the discussion to such compartments, but one needs to view aerosol microphysical phenomena within the context of atmospheric dynamics that connects those compartments. This paper attempts to present an integrated microphysical and dynamical picture of the global tropospher ic aerosol system. It does so by reviewing the microphysical processes and those elements of the general circulation that determine the size distribution and chemical composition of the aerosol
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Raes, F. (2002). Formation and Cycling of Aerosols in the Global Troposphere. In: Barnes, I. (eds) Global Atmospheric Change and its Impact on Regional Air Quality. NATO Science Series, vol 16. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-0082-6_3
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DOI: https://doi.org/10.1007/978-94-010-0082-6_3
Publisher Name: Springer, Dordrecht
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