Systematic Variations in Offshore Bathymetry

Principal component analysis is applied to describe the bathymetrie form (profile) and regional variation of the inner continental shelf along the Atlantic and Gulf coasts of the United States. The first two eigenvectors ($E_{1}$and$E_{2}$) account for 93% of the shelf variance within 9 miles (14 km...

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Bibliographic Details
Published in:The Journal of geology 1977-01, Vol.85 (1), p.105-113
Main Authors: Resio, Donald T., Dolan, Robert, Hayden, Bruce P., Vincent, C. Linwood
Format: Article
Language:English
Subjects:
Bathymetry
Coasts
Eigenvectors
Geological Notes
Gulfs
River deltas
Sediment transport
Sediments
Shorelines
Statistical variance
Term weighting
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Summary:Principal component analysis is applied to describe the bathymetrie form (profile) and regional variation of the inner continental shelf along the Atlantic and Gulf coasts of the United States. The first two eigenvectors ($E_{1}$and$E_{2}$) account for 93% of the shelf variance within 9 miles (14 km) of the coast.$E_{1}$characterizes profile steepness and$E_{2}$variance in slope convexity. Weightings on the eigenfunctions vary systematically along the coast and are correlated with the width of barrier islands and the length of unbroken coastal reaches.
ISSN:0022-1376
1537-5269
DOI:10.1086/628271