Beach Behavior, North Shore, Long Island Sound

by Robert A. McCabe, Hydr. Engr.; Connecticut Water Resources Commission, Hartford, CT,

Serial Information: Journal of the Waterways, Harbors and Coastal Engineering Division, 1970, Vol. 96, Issue 4, Pg. 781-794

Document Type: Journal Paper


Artificial beaches along the north shore of Long Island Sound demonstrated significant natural patterns of beach behavior. Wave action produced slopes of about 1 in 10 between low water and about 5 ft above high water. Low tide benches formed offshore. Groins and other barriers retained sand up to the point where overtopping occurred within the range of common wave action. Where beaches were placed at a skew to resultant wave direction, wave action caused them to rotate and assume a position facing the wave direction. The resulting beach widths were determined either by the capacities of the barriers' ends or by the quantity of sand involved, whichever was the limiting factor. Construction practices and the survey program also are briefly described.

Subject Headings: Wave action | Beaches | Islands | Sand (hydraulic) | Sandy soils | Wave overtopping | Slopes | Water level

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