. Collected reprints / Atlantic Oceanographic and Meteorological Laboratories [and] Pacific Oceanographic Laboratories. Oceanography Surficial sediments 91. Fig. 1. Index to detailed study areas and topo- graphic features in the New York Bight. (Bathym- etry from Uchupi 1970.) Contour intervals 4 and 200 m lA—New Jersey nearshorc ridge and swale study area and the Atlantic generating station site; IB—New Jersey central shelf ridge and swale study area; LINS—Long Island nearshorc study area; SCO A—Suffolk County outfall area; 2D1, 2D2— proposed interim alternative dumpsites. line
. Collected reprints / Atlantic Oceanographic and Meteorological Laboratories [and] Pacific Oceanographic Laboratories. Oceanography Surficial sediments 91. Fig. 1. Index to detailed study areas and topo- graphic features in the New York Bight. (Bathym- etry from Uchupi 1970.) Contour intervals 4 and 200 m lA—New Jersey nearshorc ridge and swale study area and the Atlantic generating station site; IB—New Jersey central shelf ridge and swale study area; LINS—Long Island nearshorc study area; SCO A—Suffolk County outfall area; 2D1, 2D2— proposed interim alternative dumpsites. line advanced to its present position; many features of the shelf are the result of sev- eral sea level fluctuations. Morphologic fea- tures are discussed in cur companion paper in this volume (Swift et al. 1976) and else- where ( McKinney and Friedman 1970; McKinney et al. 1974; Stubblefield et al. 1974, 1975; Knott and Hoskins 1968; Duane etal. 1972; Williams 1976). Surficial sediments A comprehensive sampling program for the outer shelf was conducted by the Woods Hole Oceanographic Institution and the Geological Survey, who sampled on an 18-km spacing. The Corps of Engineers Coastal Engineering Research Center has collected about 4,200 km of geophysical data and over 300 cores as a part of its stud- ies on the inner shelf of the bight (Duane 1969; Williams and Duane 1974; Williams 1976). MESA work had been conducted primarily in New Jersey nearshorc and cen- tral shelf areas, the bight apex, the near- shore of Long Island eastward to Fire Is- land, two central shelf alternative dumping areas, and the Hudson Shelf Valley (Fig. 1). Emphasis here is on the bight apex and the central shelf alternative dumping areas. Source and age of sediments—Sediments covering the floor of the bight were mostly deposited during lowered sea level and were reworked during the landward-seaward migrations of the shoreline. As transgression progressed, fluvial and older sediments we
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