USGS Coastal and Marine Geology Program

Coastal & Marine Geology Program

Field Activity Details for field activity 2002-020-FA

Other ID: none

Status: Completed

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

Funding Program(s):

Principal Investigator(s): David Twichell

Affiliate Investigator(s): Mark Rudin, UNLV

Information Specialist(s): David Foster

Data Type(s): Sonar: Sidescan, Seismics: Sub Bottom Profiler, Imagery: Photo, Imagery: Video, Sampling: Geology, Location-Elevation: Navigation

Scientific Purpose/Goals: Characterize the lake floor and map sediment thickness using sidescan sonar and chirp sub-bottom profiling techniques.


Start Date: 2002-04-15

Start Port/Location: Cottonwood Cove, NV

End Date: 2002-04-30

End Port/Location: Cottonwood Cove, NV

Equipment Used: Edgetech DF-1000 sidescan sonar, ISIS, Knudsen CHIRP Sub-bottom Profiler, ARGO, HYPACK

Information to be Derived: Sea floor map;

Summary of Activity and Data Gathered: A total of 223 km of 3.5 kHz Chirp sub-bottom and EdgeTech DF-1000 sidescan sonar data were collected. Navigation was with P-code DGPS.

Staff: David Foster, Kenneth E. Parolski, Mark Capone

Affiliate Staff:

Notes: Original Center People field contained: Chief scientist - Dave Foster; Technician - Kenneth Parolski; Data processor - Mark Capone.
Project = Lake Mohave, Lake Mohave


Lake Mohave, Nevada, Arizona, United States, North America;

North: 35.9 South: 35.2 West: -114.75 East: -114.55


photo of Houseboat-200


Cross, V.A.A., Foster, David S., and Twichell, David C., 2005, Lake Mohave geophysical survey 2002; GIS data release: URL:

Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
Edgetech DF-1000 sidescan sonar --- Sidescan
2002-020-FA-SO-001 ( Sidescan sonar images)
ISIS --- Sidescan
Knudsen CHIRP Sub-bottom Profiler --- Sub Bottom Profiler
Chirp seismic data ( )
2002-020-FA-SE-001 ( Seismics Data - 60 scanned record sections in JPEG format.)
2002-020-FA-SE-002 ( Raw seismic data)
ARGO --- Photo
HYPACK --- Navigation
2002-020-FA-LN-001 ( Navigation data)