USGS - science for a changing world

USGS Coastal and Marine Geology Program

Field Activity Details for field activity 2002-020-FA

View new CMGDS report form

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.

Vehicle(s):

Start Port/Location: Cottonwood Cove, NV

End Port/Location: Cottonwood Cove, NV

Start Date: 2002-04-15

End Date: 2002-04-30

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

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 F. 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
Information from Foghorn: EdgeTech sidescan sonar;ORE sidescan winch: acoustic ranging for sidescan;ISIS data acquisition system;Knudsen sub-bottom profiler;P-code GPS navigation and HYPACK;sidescan/seismic processing computer;

Location:

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

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

Platform(s):


Houseboat-200

Publications

Cross, V.A., Foster, DS., and Twichell, DC., 2005, Lake Mohave geophysical survey 2002—GIS data release: U.S. Geological Survey Open-File Report, https://doi.org/10.3133/ofr20041247.

Foster, D.S., Capone, M.K., Parolski, K.F., Twichell, D.C., and Rudin, M.J., 2004, Surficial geology and analysis of post-impoundment sediment of Lake Mohave; interpretation of sidescan sonar and seismic-reflection data: U.S. Geological Survey Open-File Report 2004-1256, https://doi.org/10.3133/ofr20041256.

Portals/Viewers

FAN 2002-020-FA has data viewable in the GeoMappApp/Virtual Ocean applications. To view this data in these applications go to http://www.geomapapp.org/ and http://www.virtualocean.org/. See the instructions for locating USGS data in these applications. You can also view the imagery created from the SEGY data at https://cmgds.marine.usgs.gov/images.php?cruise=2002-020-FA.

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
2002-020-FA-SE-001 (Seismics Data - 60 scanned record sections in JPEG format.)
2002-020-FA-SE-002 (Raw seismic data)
Chirp seismic data
HYPACK --- Navigation
2002-020-FA-LN-001 (Navigation data)
P-code GPS --- Navigation

Accessibility FOIA Privacy Policies and Notices

U.S. Department of the Interior | U.S. Geological Survey
Questions or Comments? Contact CMGDS Team
https://cmgds.marine.usgs.gov