Assessing the power law hypothesis for the size-frequency distribution of terrestrial and martian dust devils

Pathare, A. V.; Balme, M. R.; Meztger, S. M.; Spiga, A.; Towner, M. C.; Renno, N. O. and Saca, F. (2010). Assessing the power law hypothesis for the size-frequency distribution of terrestrial and martian dust devils. Icarus, 209(2) pp. 851–853.

DOI: https://doi.org/10.1016/j.icarus.2010.06.027

Abstract

Competing hypotheses for the diameter dependence of terrestrial and martian dust devil frequency are assessed using new field observations from two sites in the southwestern United States. We show that at diameters less than 12m, our observed dust devil size–frequency distributions are better fit by an exponential function than by a power law formulation, and discuss the implications for larger dust devils on Earth and Mars.

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