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USGS Coastal and Marine Geology Program

Field Activity Details for field activity 1998-050-FA

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Other ID: none

Status: Completed

Organization(s): USGS, Woods Hole Coastal and Marine Science Center

Funding Program(s):

Principal Investigator(s): David Nichols

Affiliate Investigator(s): Tom Mack - WRD Section Chief, Pembroke, NH

Information Specialist(s): David Nichols

Data Type(s): Sonar: Sidescan, Seismics: Air Gun / Water Gun, Seismics: Boomer, Seismics: Bubble Gun, Seismics: Sparker, Seismics: Sub Bottom Profiler, Sonar: Single Beam, Location-Elevation: Navigation

Scientific Purpose/Goals: Sidescan/high-resolution sub-bottom survey of Great Bay, New Hampshire, mapping groundwater discharge areas.

Vehicle(s):

Start Port/Location: Portsmouth, NH

End Port/Location: Portsmouth, NH

Start Date: 1998-11-16

End Date: 1998-11-20

Equipment Used: Edgetech DF-1000 sidescan sonar, ISIS, Elics Data Acquisition System, ORE 140 transceiver/1036 transducer sub-bottom profiler, ODOM 200 kHz depth recorder, P-code GPS

Information to be Derived: Sea floor map;

Summary of Activity and Data Gathered: Thirteen lines of sidescan collected in ISIS Qmips format. Seven lines of seismic collected in SEGY format on Jazz. All navigation data recorded on floppy. Sidescan tapes (1-3) and navigation floppy stored in Woods Hole. Jazz drive recordings and all hard copy data given to Tom Mack, USGS-WRD. Barry Irwin processing navigation data to provide trackline chart. ISIS Log stored in Woods Hole and copy sent to Tom Mack. Sidescan sonar: 150 km (13 lines); 3.5kHz: ? km (7 lines).

Staff: David Nichols

Affiliate Staff:
Tom Mack - Geohydrologic Section Chief
NH/VT District
Pembroke
NH - PI

Notes:

Location:

Great Bay, New Hampshire, United States, North America, North Atlantic;

Boundaries
North: 43.1 South: 43.05 West: -70.95 East: -70.85

Platform(s):

photo of Whaler
Whaler

Publications

Portals/Viewers

Documents associated with this activity

Title Survey Equipment Description
Geophysics log (document not focused on specific equipment) Sidescan sonar and 3.5 kHz logbook containing line and file start and end times, comments.

Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
Edgetech DF-1000 sidescan sonar --- Sidescan
ISIS --- Sidescan
Elics Data Acquisition System --- Air Gun / Water Gun
Boomer
Bubble Gun
Sparker
ORE 140 transceiver/1036 transducer sub-bottom profiler --- Sub Bottom Profiler
ODOM 200 kHz depth recorder --- Single Beam
P-code GPS --- Navigation

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