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Summary for Field Activity Number 78031

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Alternate Leg: ID (103)

Area of Operations : Mid-Atantic Shelf, Wilmington Canyon, Mud Patch, Great South Channel, United States, North America, North Atlantic

Dates: September 28, 1978 to October 5, 1978

Chief scientist: Brad Butman
   

Objectives: Deploy 5 tripod systems, 6 current moorings; Recover 2 tripods and 2 current moorings. Monitor near-bottom circulation along the southern flank of Georges Bank, through Great South Channel, investigate coherence of flow between Georges Bank and mid-Atlantic shelf. Study currents and sediment movement in region of fine-grained sediments south of Martha s Vineyard.2.Conduct temperature, salinity/suspended matter observations along shelf sections to determine position of moorings relative to coastal water masses to aid data interpretation.3.Sidescan-sonar survey to determine large-scale bedform distribution and direction of movement.4.Recover, relight, and replace necessary surface marker floats at tripod and current locations (so fishermen can avoid fouling their nets and leave instrumentation undisturbed.)

Type of Activity: Mooring work;

Information to be derived: Times series data;

Summary: Recovered tripods:2(#148,149 deployed #78010 OCEANUS 045 May 10-18, 1978); Recovered current mooring:2(#150,151 deployed #78010 OCEANUS 045 May 10-18, 1978); Deployed tripod:5(#155,156 both recovered #79002 OCEANUS 056 Mar 6-15, 1979; #157 recovered #78035 WHITEFOOT Oct 30-Nov 2, 1978; #158,159 both recovered #79002 OCEANUS 056 Mar 6-15, 1979); Deployed current mooring:6(#160 recovered #79002 OCEANUS 056 Mar 6-15, 1979; #161 incomplete recovery information; #162 partial recovery by fisherman OCEAN STATE Oct 16, 1978; #163 recovered #79002 OCEANUS 056 Mar 6-15, 1979; #164 recovered Jan 30, 1979 no ship and cruise information; #165 recovered #79002 OCEANUS 056 Mar 6-15, 1979); XBT s:61; CTD/Transmission:33; Surface salinity:91; Surface grab samples:7 (#4727-4733); Sidescan sonar:18km

USGS Project Number:

Contact: Brad Butman (bbutman@usgs.gov)

Click to get Google Software - Download 78031.kmz to view this field activity in Google Earth

Map for Area of Operations :

Map of field activity boundary.

Platform: ATLANTIS II

Platform Info:
photo of ATLANTIS II
ATLANTIS II
On-Line Resources: Station Descriptions Seismic Line DescriptionsTrack PlotRelated Web Site

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

Comprehensive listing of data items by form :

Inventory #Data TypeFormFormatAmountSourceNatureRemarks
100485NOTEBOOKMIXED1TECHMONITOR
FD0888-FD0891FOLDERPROFILE412K/SSSANALOG
T 2449-T 2451MAGTAPECTD3CTDDATA
TK0255-TK0256TRKCHTMAP2TECHORIGGEORGES BANK (POSTCRU)

Paper/mylar track lines:

Inventory #ProjectionScaleFormSourceMap IDNumber of MapsRemarks
255MER 62MYLARORIGSIDE SCAN SONAR SURVEY AT SITE K GEORGES BANK (POS
256MER 62MYLARORIGSIDE SCAN SONAR SURVEY AT SITE D GEORGES BANK (POS

Paper seismic/sidescan bottom profiles:

Inventory #LinesFolderStart TimeEnd TimeProfile TypeRemarks
00888 00119:28 09/30/197823:57 09/30/1978 SSS- GEORGES BANK
00889 00216:01 10/03/197816:55 10/03/1978 SSS- MID ATLANTIC GEORGES BANK SITE D
00889 00216:55 10/03/197818:43 10/03/1978 SSS- MID ATLANTIC GEORGES BANK SITE D
00890 00113:18 10/03/197818:39 10/03/1978 12K- E/SMID ATLANTIC GEORGES BANK
00891 00219:28 09/30/197823:55 09/30/1978 12K- E/SGEORGES BANK

Seismic/sidescan paper records archived on 35mm film:

These items are at the WHOI data library in the film vault.
DatesContentMCLN #Remarks
19780930-19781003SSS105* 0*SMALL CAN

Films (35 and 16mm) containing original data films and archived data microfilm. Original films are stored in the WHOI Data Library/Archive film vault. Cabinet storage is in the USGS-WHSC Data Library/Archive
Inventory #Other #SourceData TypeContentsLocationRemarks
105155155USGS-WHFCBOTTOMPHOTOTRIPOD 155; 19781001-19790310WHOI-DLORIGINAL COLOR
105156156USGS-WHFCBOTTOMPHOTOTRIPOD 156; 19780930-19790310WHOI-DLORIGINAL B+W
105157157USGS-WHFCBOTTOMPHOTOTRIPOD 157; 19781005-19781031WHOI-DLORIGINAL B+W, 2ND NEGATIVE
105158158USGS-WHFCBOTTOMPHOTOTRIPOD 158; 19781004-19790309WHOI-DLORIGINAL COLOR
105159159USGS-WHFCBOTTOMPHOTOTRIPOD 159; 19781003-19790309WHOI-DLORIGINAL B+W

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