Location map of sand dunes described in this report. Kelso Dunes From Trexler and Melhorn, 1986. Grain size vs. standard deviation of grain size. Inclusive graphic mean grain size versus inclusive standard deviation for some California and Nevada sand dunes showing region in which booming sounds would be expected. Size classification after Udden-Wentworth.
Solid symbols indicate booming sound in field, open symbols indicate no sounds.
Shaded area indicates grain size and degree of sorting where acoustic phenomena should occur. Eureka Sand Dunes, California. Photo by R. Rust. Matt near the top of the Kelso Dunes. Sand dunes at Stovepipe Wells in the late afternoon.