Particulate Loads Caused by Wind Erosion in the Great Plains

Abstract
Dust is always present in the air, but when wind erosion occurs, both the flux of soil particles into the air and the particulate concentration increase by orders of magnitude. Previous research1 indicated that median duststorm concentration was 4.85 mg/m3 and median annual hours with duststorms was 45 in the Great Plains during the 1950’s. Of the total soil moved by wind, the suspended particulates probably represent 10% or less.2-3

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