USGS - science for a changing world

USGS Coastal and Marine Geology Program

Field Activity Details for field activity L1111BS

AKA: none

Other ID: L-11-11-BS,MGL1111

Status: Completed

Organization(s): National Oceanic and Atmospheric Administration, Bureau of Ocean Energy Management, University of Wyoming, USGS, Pacific Coastal and Marine Science Center

Funding Program(s):

Principal Investigator(s): Ginger Barth

Affiliate Investigator(s): Warren Wood

Information Specialist(s):

Data Type(s): Electro-Magnetic: Gravity, Environmental Data: CTD, Location-Elevation: Navigation, Seismics: Multichannel, Seismics: Ocean Bottom Seismometer, Seismics: Sonobuoy, Sonar: Multibeam

Scientific Purpose/Goals: sediment thickness, velocity structure and sedimentary architecture for Law of the Sea


Start Port/Location: Dutch Harbor, AK

End Port/Location: Dutch Harbor, AK

Start Date: 2011-08-06

End Date: 2011-09-01

Equipment Used: gravity, GPS, Multichannel, multibeam, CTD

Information to be Derived:

Summary of Activity and Data Gathered:

Staff: Ginger Barth, David Scholl, Ray Sliter, Peter Triezenberg, Jennifer White

Affiliate Staff:
Tom O'Brien
Warren Wood - NRL
Jennifer Henderson (NGDC) - OAA
Jorden Hayes - U Wyoming

Notes: AKA MGL11-11 2011 Bering Sea, U.S. Extended Continental Shelf Project,

Staff information imported from InfoBank
Ginger Barth
Dave Scholl
Peter Triezenberg
Tom O'Brien
Wayne Baldwin
Nina Ivanova
Jenny White
Warren Wood - NRL
Jennifer Henderson (NGDC) - OAA
Jorden Hayes - U Wyoming


Aleutian Basin of the central Bering Sea

North: 60.11548266 South: 53.89318 West: -179.1109 East: -166.47903


photo of Marcus G. Langseth
Marcus G. Langseth


Barth, G.A., Baldwin, W.E., Reece, R.S., Gulick, S.S., Danforth, W.W., and Wong, F.L., 2022, Multibeam bathymetry and acoustic backscatter from the Alaskan region, Extended Continental Shelf Project, 2011 field season: Gulf of Alaska and Bering Sea: U.S. Geological Survey data release,


FAN L1111BS has data viewable in the GeoMappApp/Virtual Ocean applications. To view this data in these applications go to and See the instructions for locating USGS data in these applications. You can also view the imagery created from the SEGY data at

Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
gravity --- Gravity
GPS --- Navigation
Best file with nav in ArcInfo E00 format
Global positioning system (GPS) data l-11-11-bs.060
Integrated navigation (SINS) data l-11-11-bs.050
Global positioning system (GPS) data l-11-11-bs.061 (Provisional best file)
Multichannel --- Multichannel
Seismic FFID/Shot/CDP data l-11-11-bs.410_mcs (Provisional best file)
multibeam --- Multibeam
Raw depth (bathymetry) data l-11-11-bs.300_060 (Provisional best file)
CTD --- Surveys (geochemical)
Experiments (geochemical)

Accessibility FOIA Privacy Policies and Notices

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