USGS Woods Hole, MA Field Activity Report for 79035

Alternate number:

077

Platform:

OCEANUS

Submersible:

Owner-Operator:

WHOI, Woods Hole, MA

Captain:

Paul C. Howland-WHOI, Master

Center Principal:

Brad Butman

Affiliate Principal
(if any):

Area of Operations:

Georges Bank, Mid-Atlantic Shelf, United States, North America, North Atlantic

Bounding Coordinates

North:

41.1

South:

38.6

West:

-75.7

East:

-67.5

Start and End Dates:

December 13, 1979 to December 20, 1979

Start and End Ports:

from Woods Hole, MA to Woods Hole, MA

Days at Sea:

Project Number:

Project Title:

Cruise Funding Source:

Contract:

Type of Activity:

Mooring work
Physical Oceanography

Objectives:

Deploy 5 tripod and current moorings; Recover 3 tripods and current moorings; repair/replace surface buoys; cross-shelf CTDs; grab samples; bathymetric, sidescan survey Great South Channel.

Information to be derived:

Time series data
Suspended Sediment Concentrations
Bathymetric Maps

Data Types (and Media) Produced:

Scientific Party
(USGS):

Brad Butman-Chi Sci; Janet Burke, Jeffrey Kerns, John Larson, Nicholas Lefteriou, Marlene Noble, Carol Parmenter, Richard Rendigs, Polly Shoukimas, William Strahle;

Scientific Party
(affiliate):

Andrew Eliason-Eliason Data Services;

Data Curator:

Scientific Equipment:

Northstar 6000 Loran-C
Plessey CTD
Klein sidescan sonar
Smith-MacIntyre grab sampler
12 kHz bottom profiler

Buoy equipment: AMF, tripod, current meter

Navigation techniques used:

Northstar Loran-C

Summary of Results:

Deployed tripods:5(#183,184,185,186,187 all recovered #80009 OCEANUS 081 May 23 - Jun. 1, 1980); Deployed current meters:5(#188 no recovery information, fishing boat netted buoys and camera Mar. 25, 1980),189,190,192 all recovered #80009 OCEANUS 081 May 23 - Jun. 1980); Recovered tripods:2(#176,179); Recovered current meters(VACM):5(#179,181,182) CTD:10; XBT:49; Surface salinity samples:57;

Number of Stations Occupied:

Station Description:

Number of Submersible Dives:

Continuous Data (in Km):

Seismic Line Descriptions:

Track Plot:

Related Web Sites:

Remarks:

The 2 tripods and 1 current mooring which we were unable to recover on OCEANUS were recovered in January 1980 with Tug WHITEFOOT (#80001). The release receiver batteries were defective and we could not communicate with the releases. 1 VACM was lost. Because of extensive grappling/search operations we did not have time to recover 1 buoy with current meter at Station B. Christmas and ship deadlines precluded another few hours of shiptime. We elected to deploy the new equipment and recover the instrument later. On return to site in January, the buoy was missing.

Contact:

Brad Butman (bbutman@usgs.gov)

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