AKA: none
Other ID: C-1-09-NC
Status: Completed
Organization(s): USGS, Pacific Coastal and Marine Science Center
Funding Program(s): California Seafloor Mapping (MU030)
Principal Investigator(s):
Affiliate Investigator(s):
Information Specialist(s):
Data Type(s): Imagery: Photo, Imagery: Video, Location-Elevation: Navigation, Seismics: Sparker
Scientific Purpose/Goals: Ground-truth geophysical data using video, digital seafloor imagery, sub-bottom profiling and physical sampling
Vehicle(s):
Start Port/Location: Crescent City, CA
End Port/Location: Crescent City, CA
Start Date: 2009-07-12
End Date: 2009-08-02
Equipment Used: underwatercamera, navigation, sparker, imagery
Information to be Derived: video, still camera, hi-definition video, shipboard observations , sampling
Summary of Activity and Data Gathered: 21 days spent collecting underwater video on transects over multibeam data coverage areas in 10 to 120 m water depths in the state waters of northern California. Video, photographs, sediment samples, and minisparker profiles were collected throughout cruise. Digital video tapes. Data files of video observations. Digital macro photos. Bottom grab samples.
Staff:
Affiliate Staff:
Eleyne Phillips (USGS
Menlo Park
CA) - Geologist
Lisa Krigsmans (NMFS
Santa Cruz
CA) - Research Biologist
Notes: Staff information imported from InfoBank
Guy Cochrane (USGS, Santa Cruz, CA) - Principal Investigator
Pete Dartnell (USGS, Menlo Park, CA) - Research Geologist
Eleyne Phillips (USGS, Menlo Park, CA) - Geologist
Lisa Krigsmans (NMFS, Santa Cruz, CA) - Research Biologist
Andrew Ritchie - Geologist
Hank Chezar (USGS, Menlo Park, CA) - Video Technician
Tim Elfers (USGS, Santa Cruz, CA) - MT
Dave Gonzales (USGS, Santa Cruz, CA) - ET
Pete Dal Ferro (USGS, Santa Cruz, CA) - MT
Jackson Currie (USGS, Santa Cruz, CA) - ET
Peter Harkins (USGS, Santa Cruz, CA) - MT
Nadine Golden (USGS, Santa Cruz, CA) - Geographer
Non USGS data manager = Eleyne Phillips
Location:
Northern California state waters (3 nmi)
| Boundaries | |||
|---|---|---|---|
| North: 42.04769 | South: 40.68313 | West: -124.413 | East: -124.08282 |
Platform(s):
 Coral Sea |
Cochrane, G.R., 2023, Bathymetry, backscatter intensity, and benthic habitat offshore of the Eel River, California: U.S. Geological Survey data release, https://doi.org/10.5066/P902YIF5.
Cochrane, G.R., 2024, Bathymetry, backscatter intensity, seismic reflection, and benthic habitat data offshore of Eureka, California: U.S. Geological Survey data release, https://doi.org/10.5066/P9EC35PF.
Cochrane, G.R., 2024, Bathymetry, backscatter intensity, seismic reflection, and benthic habitat offshore of Arcata, California: U.S. Geological Survey data release, https://doi.org/10.5066/P9J1K4QX.
FAN C109NC has data viewable in the CMGP Video and Photograph Portal. View the data in this application here. See the instructions for working with this application.
| Survey Equipment | Survey Info | Data Type(s) | Data Collected |
|---|---|---|---|
| underwatercamera | --- | Photo | C109NC_video_observations (This part of DS 781 presents video observations from cruise C109NC in northern California. The vector data file is included in ""c109nc_video_observations.zip,"" which is accessible from https://pubs.usgs.gov/ds/781/video_observations/data_catalog_video_observations.html.
In 2006 and 2007, the seafloor in northern California was mapped by California State University, Monterey Bay, Seafloor Mapping Lab (CSUMB), using both multibeam echosounders and bathymetric sidescan sonar units. This mapping mission collected bathymetry and acoustic-backscatter data from about the 10-m isobath to out beyond the 3-nautical-mile limit of California's State Waters. To validate the interpretations of sonar data in order to turn it into geologically and biologically useful information, the USGS ground-truth surveyed the data by towing camera sleds over specific locations throughout the region. During the 2009 ground-truth cruise, the camera sled housed two video cameras (one forward looking and the other vertical looking), a high-definition video camera, and an 8-megapixel digital still camera. The video was fed in real time to the research vessel, where USGS and NOAA scientists recorded both the geologic and biologic character of the seafloor into programmable keypads once every minute. In addition to recording the seafloor characteristics, a digital still photograph was captured once every 30 seconds. This ArcGIS shape file includes the position of the camera, the time each observation was started, and the visual observations of geologic and biologic habitat.) |
| navigation | --- | Navigation | Global positioning system (GPS) data c-1-09-nc.063 (Provisional best file) |
| sparker | --- | Sparker | Seismic FFID/Shot/CDP data c-1-09-nc.410_sparker (Provisional best file) Sediment thickness from seismic reflection data collected offshore of Eureka, California (Sediment thickness data raster for the Offshore of Eureka, California, map area is part of USGS Data Series 781) Sparker seismic reflection data collected during USGS field activity C109NC offshore of Eureka (High-resolution sparker seismic-reflection (Seismic) data for the Offshore of Eureka, California, map area is part of USGS Data Series 781) |
| imagery | --- | Photo Video | highlight imagery |
