AKA: none
Other ID: 2019 Cascadia Margin Mapping; W00474; W00475
Status: Completed
Organization(s): USGS, Pacific Coastal and Marine Science Center
Funding Program(s): Other (Other)
Principal Investigator(s): James Conrad, Peter Dartnell, Janet Watt
Affiliate Investigator(s):
Information Specialist(s): Peter Dartnell
Data Type(s): Electro-Magnetic: Magnetics, Location-Elevation: Navigation, Sonar: Multibeam
Scientific Purpose/Goals: Collect multibeam bathymetry, acoustic-backscatter, water-column backscatter, and magnetics data along the slope of the Cascadia margin to fill in gaps in hi-resolution multibeam imagery for subduction zone hazard characterization
Vehicle(s): Grand Caravan G41-1761S
Start Port/Location: Newport, OR
End Port/Location: Newport, OR
Start Date: 2019-08-12
End Date: 2019-08-23
Equipment Used: Magnetometer, Kongsberg EM-710, Differential GPS
Information to be Derived: bathymetry, acoustic-backscatter, water-column backscatter, magnetics
Summary of Activity and Data Gathered: Bathymetry, backscatter, water-column, and magnetics data collected were collected offshore Coos bay and in the eel basin
Staff: James Conrad, Peter Dartnell
Affiliate Staff:
Notes:
Location:
central and southern Cascadia margin
| Boundaries | |||
|---|---|---|---|
| North: 46.4378569 | South: 40.27952567 | West: -126.18896484 | East: -123.59619141 |
Platform(s):
 Fairweather |
Dartnell, P., Conrad, J.E., Watt, J.T., and Hill, J.C., 2021, Composite multibeam bathymetry surface and data sources of the southern Cascadia Margin offshore Oregon and northern California: U.S. Geological Survey data release, https://doi.org/10.5066/P9C5DBMR.
Dartnell, P., Watt, J.T., Hill, J.C., and Conrad, J.E., 2023, Composite multibeam bathymetry surface and data sources of the central Cascadia Margin offshore Oregon: U.S. Geological Survey data release, https://doi.org/10.5066/P9PERGFK.
| Survey Equipment | Survey Info | Data Type(s) | Data Collected |
|---|---|---|---|
| Magnetometer | G-882 marine magnetometer was towed behind the vessel and collected total field magnetic data during the cruise | Magnetics | |
| Kongsberg EM-710 | Collected multibeam, backscatter, and water column data | Multibeam | |
| Differential GPS | Pos-mv used for multibeam data | Navigation | No data was collected |
