Grain-size spectra maps of beaches in W. Peloponnese, Greece |
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| Authors: | N Kontopoulos |
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| Institution: | (1) Department of Geology, University of Patras, Patras, Greece |
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| Abstract: | Grain-size spectra maps of sands from beaches of the western Peloponnese are related to statistical parameters and can be used to infer characteristics of the sedimentation process involved which were unresolved by previous statistical analysis. On the basis of similarities in spectral patterns, the studied beaches fall into four groups: A, B, C, and D. The periodicity observed on the sinuous pattern of the spectra map of groups A and B is interpreted as indicating edge-wave activity. Regarding group D, the gradual W—E increase of particle size along the coast suggests a W—E increase of wave energy, which is also reflected by the inclined trend of the spectra map. Lack of periodicity on the contour pattern of group C probably reflects intensive sample-to-sample sorting variation. |
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| Keywords: | grain-size spectra map beach sand edge wave wave energy |
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