Author(s)

S. Grigoryan, M. Galperin and M. Sofiev

Abstract

Numerical Approaches to the Simulation of Wind Elevation of Polydispersional Particles from Land Surface to the Atmosphere A contribution to subproject AEROSOL S. Grigoryan, M. Galperin and M. Sofiev Stroiteley str., 4 -1 - 18, Moscow, 117311, Russia Introduction Long-range transport of dust is one of the important environmental problems. Two main sources of atmospheric dust are wind erosion of soils and anthropogenic emissions. Natural dust is elevated by strong winds during storm episodes and from long-range atmospheric transport. An example of this effect is the impact of Saharan desert to the Mediterranean. Anthropogenic dust is mainly emitted to the atmosphere from industry. Some part of the emitted dust is deposited locally, the rest can be transported over long distances. Under certain conditions the deposited particles can be elevated by wind and then return to the atmosphere. A numerical model was develop

Keywords