“Flying Eyeball” Measures Grand Canyon Sand

Science Center Objects

Information about the  USGS Pacific Coastal and Marine Science Center's development of an instrument called the "flying eyeball" to measure river sand, from 1993-2004.

Poster composed of photographs and text.

USGS Sound Waves newsletter article:
Sedimentologic Engineering in Grand Canyon

Publications by USGS collaborators:

Buscombe, D., 2008, Estimation of grain size distributions and associated parameters from digital images of sediment: Sedimentary Geology, v. 210, i. 1-2, p. 1-10, doi:  10.1016/j.sedgeo.2008.06.007

Buscombe, D., and Masselink, G., 2009, Grain size information from the statistical properties of digital images of sediment: Sedimentology, v. 56, i. 2, p. 421-438, doi:10.1111/j.1365-3091.2008.00977.x