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Dong et al. 2003
Dong, Z., Wang, H., Zhang, X. and Ayrault, M. (2003). Height profile of particle concentration in an aeolian saltating cloud: A wind tunnel investigation by PIV MSD. Geophysical Research Letters 30: doi: 10.1029/2003GL017915. issn: 0094-8276.

Attempt is made to define the particle concentration in an aeolian saltating cloud and its variation with height using artificial spherical quartz sand in a wind tunnel. The height profiles of the relative particle concentration in aeolian saltating cloud at three wind velocities were detected by the state of the art PIV (Particle Image Velocimetry) MSD (Mie Scattering Diffusion) technique, and converted to actual concentration based on sand transport rate and the variation with height of velocity of the saltating cloud. The particle concentration was found to decay exponentially with height and to increase with wind velocity. It decayed more rapidly when the wind velocity decreased. The volume/volume concentration in the near-surface layer was at the order of 10-4. The results obtained by PIV MSD technique were in good agreement with those derived from the sand flux and velocity profiles, the former being about 15% greater than the later.

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Abstract

Keywords
Geodesy and Gravity, Ocean/Earth/atmosphere interactions, Meteorology and Atmospheric Dynamics, Land/atmosphere interactions, Meteorology and Atmospheric Dynamics, Boundary layer processes, Planetary Sciences, Erosion and weathering
Journal
Geophysical Research Letters
http://www.agu.org/journals/gl/
Publisher
American Geophysical Union
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