USGS - science for a changing world

Pacific Coastal & Marine Science Center

Bedform Sedimentology Site—ripples, dunes, and cross-bedding

Grain Size from Digital Images of Sediment

Sample images

Click the photos for larger versions.

Sample image; see caption below and click for larger version.
Grand Canyon sand was photographed with hand-held point-and-shoot camera in underwater housing.
Sample image; see caption below and click for larger version.
 
Sample image; see caption below and click for larger version.
Bed sediment from the shelf of the Adriatic Sea was photographed with an autonomous tripod-mounted digital SLR camera. Top image shows sand silt and pellets; lower photo contains shell fragments.
Sample image; see caption below and click for larger version.
Carbonate sand from surf zone in Kauai, HI, was photographed underwater with hand-held point-and-shoot camera in waterproof housing.

 

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: http://walrus.wr.usgs.gov/seds/grainsize/images.html
Page Contact Information: PCMSC Web Team
Page Last Modified: 27 October 2010 (lzt)

Link to Grain-sizeHardware page. Link to sample grain-size images page. Link to list of grain-size publications. Link to grain-size computer code page.