Article ID Journal Published Year Pages File Type
1781882 Planetary and Space Science 2009 5 Pages PDF
Abstract

Aeolian grain transport is a powerful erosion mechanism and a significant factor affecting atmospheric dynamics by the creation of particulate aerosols. Electric fields, both natural and man-made, occur widely at the Earths surface in environments where granular material is found. Such electric fields may induce electrification of granular material and affect the transport dynamics of the grains. In this laboratory study we show that the influence of such electric fields is significant at field strengths well below that at which breakdown occurs and present a simple semi-empirical expression which allows this mechanism to be quantified.

Related Topics
Physical Sciences and Engineering Earth and Planetary Sciences Geophysics
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