As part of the proposed Federal Harbor improvement and maintenance dredging of Fall River and Mt. Hope Bay, a dump site for the dredge spoils is proposed for an area 2 miles southeast of Browns Ledge in Eastern Rhode Island Sound. This site is also being considered as a regional disposal ground for state and private organizations performing dredging for the Corps. The USGS in cooperation with the New England Division of the U.S. Army Corps of Engineers will conduct a sidescan sonar survey as part of a continuing program to determine the suitability and potential environmental impact of ocean dumping of dredge spoil material at the site. Available ship time will also permit acquisition of sonograph data of the sea floor beneath Vineyard Sound to study a massive beach and shoal complex underlying most of the sound and to identify possible sites for bottom grab sampling and coring.
Location
proposed Browns Ledge dredge spoil dump site, Eastern Rhode Island Sound, Rhode Island, Vineyard Sound, Elizabeth Islands, Martha's Vineyard, Massachusetts, United States, North America, North Atlantic;
Summary
Eastern Rhode Island Sound sidescan sonar: 104 km; Vineyard Sound sidescan sonar: 120 km.
Info derived
Sea floor map;
Comments
Original Center People field contained: Chuck O'Hara - Scientist-in-charge, Bob Oldale - geologist, Wayne Mac Ferrebee - geologist, Harley Knebel - geologist, Charles E. Franks - GFA, David Forrier - USGS/Northeastern Co-op. Student, Dave Twichell - USGS/URI Student.
Charles E. Franks - GFA, David Forrier - USGS/Northeastern Co-op. Student; Charles Finkelstein - engineer, Klein Assoc., Salem, NH; Scott Briggs - student, WHOI/MIT; David Johnson - Assoc. Sci., WHOI; Steve Yokubaitis - student, URI; Shigeaki Kubo - geologist, Sanyo Hydrologic Survey, Tokyo, Japan; Tadahiko Katsura - geologist, Japan Hydrologic Office, Tokyo, Japan
