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Investigations of wind-field modification due to the presence of saltating sediments have relied heavily on wind tunnels, which are known to impose geometric constraints on full boundary layer development. There remains great uncertainty as to which portion of the vertical wind-speed profile to analyze when deriving estimates of shear velocity or surface roughness length because the lower sections...
Within a landscape developed on the deeply weathered, dominantly granitic rocks of the Yilgarn Craton in southwestern Australia, there is strong evidence of prior aeolian activity. Multiple arrays of clayey saltation deposits occur as clay dunes or lunettes extending up to 5 km to the southeast of playas, and quartzose sand dunes and sheets occur in a 2-km wide band that extends 10 km southeast of...
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