Beach cusps of Monterey Bay, California
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Authors
Brueggeman, John Lyle
Subjects
Advisors
Andrews, Robert S.
Date of Issue
1971-06
Date
Publisher
Monterey, California. Naval Postgraduate School
Language
en_US
Abstract
A radiographic study was conducted on impregnated sand
samples taken from beach cusps on Marina Beach, Monterey Bay,
California, over a 7-month period from September 1970 to
April 1971. The radiographs revealed much more structure
than is discernable with the unaided eye in trenching or
peeling. The microstructure found consisted of crosslamination,
rhythmic stratification, and distinct mineral
layering. Migration of these cusps was studied by means
of visual observations and time-lapse photography. Cyclic
changes in the cusp profile were found to correspond with
wave action and tidal influences. No simple relation
between ocean action and cusp structure or development was
evident.
Type
Thesis