USGS - science for a changing world

USGS Coastal and Marine Geology Program

Field Activity Details for field activity 1998-050-FA

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.


Start Port/Location: Portsmouth, NH

End Port/Location: Portsmouth, NH

Start Date: 1998-11-16

End Date: 1998-11-20

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



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

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


photo of Whaler



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
Bubble Gun
ORE 140 transceiver/1036 transducer sub-bottom profiler --- Sub Bottom Profiler
ODOM 200 kHz depth recorder --- Single Beam
Plugger GPS --- Navigation

Accessibility FOIA Privacy Policies and Notices

U.S. Department of the Interior | U.S. Geological Survey
Questions or Comments? Contact CMGDS Team