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Summary for Field Activity Number 1987-002-FA

Alternate Leg ID: AST87A

Area of Operations: Boston Harbor, Massachusetts Bay, Massachusetts, United States, North America, North Atlantic

Dates: January 20, 1987 to January 22, 1987

Objectives: Conduct detailed sidescan survey around 3 sites to aid in location of bottom tripod system.

Type of Activity: Sidescan survey

Information to be derived: Sidescan data

Summary: About 57 km of sidescan data was collected which indicated an extremely patchy sediment surface, presumably associated with the glacial origin of the region. A second day of sidescan and grab sampling had been planned to further define the sediment texture, but was cancelled because of an impending major winter storm. ASTERIAS returned to Woods Hole immediately following the survey. REMOTES and ROV surveys and existing sediment data will be used to select the tripod sites. Additional sediment samples will be collected when instruments are deployed.

USGS Project Number: PTRACE

Contact: Brad Butman (bbutman@usgs.gov)

InfoBank: uses the identifier A-1-87-BH. Visit this site for more information.

Map for Area of Operations :

Map of field activity boundary.

Platform Info:
photo of ASTERIAS
ASTERIAS

The following materials for this field activity are available in the Information Archives:

Paper seismic/sidescan bottom profiles:

Inventory #LinesFolderStart TimeEnd TimeProfile TypeRemarks
043471-8 00108:58 01/21/198712:49 01/21/1987 SSS-
043488-19 00212:48 01/21/198717:43 01/21/1987 SSS-
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