Large-scale poster describing USGS work.
USGS scientists needed a better way to measure river sand in the Grand Canyon. Traditionally, scientists used a bucket to get about 75 sand samples on each trip, which were analyzed weeks later in a lab.
“Flying Eyeball” Measures Grand Canyon Sand
Completed
By Pacific Coastal and Marine Science Center
January 1, 2005
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.
Media
Sources/Usage: Public Domain. View Media Details
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
Full-scale poster image file
Flying Eyeball Measures Grand Canyon Sand
Large-scale poster describing USGS work.
USGS scientists needed a better way to measure river sand in the Grand Canyon. Traditionally, scientists used a bucket to get about 75 sand samples on each trip, which were analyzed weeks later in a lab.
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.
Media
Sources/Usage: Public Domain. View Media Details
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
Full-scale poster image file
Flying Eyeball Measures Grand Canyon Sand
Large-scale poster describing USGS work.
USGS scientists needed a better way to measure river sand in the Grand Canyon. Traditionally, scientists used a bucket to get about 75 sand samples on each trip, which were analyzed weeks later in a lab.
Large-scale poster describing USGS work.
USGS scientists needed a better way to measure river sand in the Grand Canyon. Traditionally, scientists used a bucket to get about 75 sand samples on each trip, which were analyzed weeks later in a lab.