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USGS Coastal and Marine Geology Program

Field Activity Details for field activity 2018-641-FA

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AKA: none

Other ID: none

Status: Completed

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

Funding Program(s): Marine Geomorphology, Evolution, and Habitats (ZP00FE6)

Principal Investigator(s): Guy Cochrane, Maureen Walton

Affiliate Investigator(s): Lisa Gilbane

Information Specialist(s): Evan Dailey

Data Type(s): Location-Elevation: Navigation, Seismics: Multichannel, Seismics: Sparker, Seismics: Sub Bottom Profiler, Sonar: Multibeam

Scientific Purpose/Goals: Geologic framework and habitat geophysics in Federal Waters of South Central California for offshore energy hazards and impacts.

Vehicle(s): None

Start Port/Location: San Francisco

End Port/Location: Los Angeles

Start Date: 2018-08-27

End Date: 2018-09-22

Equipment Used: Yonav, Other, Multichannel, 512 chirp-source, 512 chirp, Sparker, Other

Information to be Derived: Bathymetry, backscatter intesity, seismic profiles.

Summary of Activity and Data Gathered: Chirp, MCS, and YoNav data submitted to FAD by Maureen Walton 10/10/2018

Staff: Jackson Currie, Daniel Kennedy, Jared Kluesner, Rachel Marcuson, Ray Sliter, Robert Wyland

Affiliate Staff:

Notes: Cruise will be run on two legs on the NOAA Ship Rainier with some staff swap outs.

Location:

South Central California

Boundaries
North: 35.83 South: 34.53 West: -121.98 East: -120.94

Platform(s):


Rainier

Publications

Cochrane, G.R., Kuhnz, L.A., Dartnell, P., Gilbane, L., and Walton, M.A., 2022, Multibeam echosounder, video observation, and derived benthic habitat data offshore of south-central California in support of the Bureau of Ocean Energy Management Cal DIG I, offshore alternative energy project: U.S. Geological Survey data release, https://doi.org/10.5066/P9QQZ27U.

Kennedy, D.J., Walton, M.W., Cochrane, G.R., Balster-Gee, A.F., Kluesner, J.W., Hart, P.E., Sliter, R.W., Miller, J.K., and Gilbane, L., 2021, High-resolution multi-channel and Chirp seismic-reflection data from USGS cruise 2018-641-FA collected in south-central California in support of the Bureau of Ocean Energy Management Cal DIG I offshore alternative energy project: U.S. Geological Survey data release, https://doi.org/10.5066/P9JU17GE.

Portals/Viewers

Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
Yonav --- Navigation
Other --- --- ---
Multichannel --- Multichannel
High-resolution multi-channel seismic-reflection data (Multi-channel seismic (MCS) reflection data were collected as part of a geophysical survey aboard the NOAA Ship Rainier during two legs at sea, the first from 8/28/2018 to 9/7/2018 and the second from 9/10/2018 to 9/21/2018. The data were collected using a SIG 2-Mille minisparker and a 64-channel streamer, although the majority of the survey was conducted using a 56-channel setup due to technical issues with one 8-channel section early on in the survey. The MCS data were processed to post-stack time migration and include filtering and other noise removal corrections.)
512 chirp-source --- Sub Bottom Profiler
512 chirp --- Sub Bottom Profiler
High-resolution Chirp seismic-reflection data (High-resolution Chirp seismic-reflection data were collected offshore south-central California as part of a geophysical survey aboard the NOAA Ship Rainier during two legs at sea, the first from 8/28/2018 to 9/7/2018 and the second from 9/10/2018 to 9/21/2018. The data were collected using an Edgetech 512i towfish with a 1-6 kHz sweep. Consistently high winds and rough seas prevented additional Chirp data collection and caused noisy data in some cases, especially during the second leg of the survey, which largely took place in the southern part of the study area. The Chirp data were post-processed to include filtering and other noise removal corrections.)
Sparker --- Sparker
Other --- --- ---

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