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USGS Coastal and Marine Geology Program

Field Activity Details for field activity 2020-630-FA

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AKA: ERO20 Trip 15

Other ID: none

Status: Completed

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

Funding Program(s): Sediment Transport in Coastal Environments (ZP00FDB)

Principal Investigator(s): Jessica Lacy

Affiliate Investigator(s):

Information Specialist(s): Other

Data Type(s): Sampling: Geology

Scientific Purpose/Goals: To collected sediment samples in San Francisco Bay

Vehicle(s): MarFac; Ford F350 MT use only; pickup - white; G43-2784H, Mitsubishi Outlander G61-0912R

Start Port/Location: Benicia, CA

End Port/Location: Benecia, CA

Start Date: 2020-09-23

End Date: 2020-09-23

Equipment Used: Gomex Core

Information to be Derived: Grain Size, Bulk density

Summary of Activity and Data Gathered: Collected sediment cores from Grizzly and San Pablo Bays, which were analyzed for grain size and bulk density

Staff: Jennifer McKee

Affiliate Staff:



Grizzly Bay, San Pablo Bay, California

North: 38.19061799 South: 37.92756076 West: -122.66592387 East: -121.77756988


R/V Jewell


McGill, S.C., Lacy, J.R., Ferreira, J.C.T., Allen, R.M., WinklerPrins, L., and Tan, A.C., 2021, Hydrodynamic and sediment transport data from San Pablo Bay and Grizzly Bay, California, 2020: U.S. Geological Survey data release,


Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
Gomex CoreThe gomex core was deployed off the Jewel, the core was subsampled once back onboard, using pushcore/syringes. Two cores were collected and subsampled from each Bay.Geology

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