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Surficial geology of the sea floor in west-central Long Island Sound as shown by sidescan-sonar imagery

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Surficial geology of the sea floor in west-central Long Island Sound as shown by sidescan-sonar imagery; 2005; Article; Journal; Northeastern Geology and Environmental Sciences; McMullen, K. Y.; Poppe, L. J.; DiGiacomo-Cohen, M. L.; Moser, M. S.; Christman, E. B.

Summary

We used sidescan-sonar imagery detailing almost 300 km2 of the sea floor in west-central Long Island Sound in conjunction with bathymetry, sediment samples, bottom video, and seismic data to interpret the area's surficial geology. The distribution of sediments and sedimentary environments interpreted from these data sets represents the Quaternary geology, regional bathymetry, and effects of modern tidal- and wave-driven currents. Four distinct sedimentary environments consisting of 1) fine-grained deposition, 2) sorting and reworking, 3) coarse-grained bedload transport, and 4) erosion or nondeposition, were identified and mapped. Relatively low-energy environments prevail where deposition of clayey silts occurs in deeper water throughout [...]

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Type Scheme Key
local-index unknown 70029232
local-pk unknown 70029232
series unknown Northeastern Geology and Environmental Sciences

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citationTypeArticle
journalNortheastern Geology and Environmental Sciences
languageEnglish
parts
typevolume
value27
typeissue
value1

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