Survey Number 4--SIDESCAN SONAR IMAGE, SURFICIAL GEOLOGICAL INTERPRETATION, AND
BATHYMETRY OF THE LONG ISLAND SOUND SEA FLOOR OFF MILFORD, CONNECTICUT
David C. Twichell1, Roman N. Zajac2, Lawrence J.
Poppe1, Ralph S. Lewis3,
VeeAnn A. Cross1, David R. Nichols1, Mary L. DiGiacomo-Cohen3,
1
US Geological Survey, Woods Hole, MA 02543
2Department of Biology, University of New Haven, New Haven, CT
3Long Island Sound Resource Center, Connecticut Geological and Natural History
Survey,
Department of Environmental Protection, 1084 Shennecossett Road, Avery Point, Groton, CT
06340
TABLE OF CONTENTS
INTRODUCTION
GEOLOGIC SETTING
DATA COLLECTION
DATA PROCESSING
GEOLOGIC INTERPRETATION
Bathymetry and Tracklines
Near-Surface Seismic Facies and Stratigraphy
Sidescan Sonar Mosaic
Surficial Sediment Distribution
CONCLUSIONS
ACKNOWLEDGMENTS
REFERENCES CITED
FIGURE CAPTIONS
SIDESCAN-SONAR MOSAIC
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