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Cobble cam: grain-size measurements of sand to boulder from digital photographs and autocorrelation analyses

Auteur(s) et Affiliation(s)

WARRICK, J.A.
US Geological Survey, Coastal and Marine Geology, Santa Cruz, Etats-Unis
RUBIN, D.M.
US Geological Survey, Coastal and Marine Geology, Santa Cruz, Etats-Unis
RUGGIERO, P.
Geosciences Dep., Oregon State Univ., Corvallis, Etats-Unis
HARNEY, J.N.
Coastal and Ocean Resources Inc., BC, Sidney, Canada
DRAUT, A.E.
US Geological Survey, Coastal and Marine Geology, Santa Cruz, Etats-Unis
BUSCOMBE, D.
US Geological Survey, Coastal and Marine Geology, Santa Cruz, Etats-Unis


Description :
The goal of this study is to provide a technique that could be used to rapidly characterize grain sizes of remote sites with acceptable levels of accuracy. The AA. use the mixed-sediment beach of the Elwha River delta (Warrick et al., 2009) for method development and application, and demonstrate its potential transferability with an assessment of a mixed-sediment beach of Kachemak Bay, Alaska. The approach is considerably less sensitive to lighting conditions than object-detection methods. The effects of wet and dry conditions are also evaluated and discussed.


Type de document :
Article de périodique

Source :
Earth surface processes and landforms, issn : 0197-9337, 2009, vol. 34, n°. 13, p. 1811-1821, nombre de pages : 11, Références bibliographiques : 30 ref.

Date :
2009

Editeur :
Pays édition : Royaume-Uni, Chichester, Wiley

Langue :
Anglais
Droits :
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