USGS - science for a changing world

USGS Coastal and Marine Geology Program

Field Activity Details for field activity 2020-603-FA


Other ID: none

Status: Completed

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

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

Principal Investigator(s): Jessica Lacy

Affiliate Investigator(s): Maureen Downing-Kunz, CAWSC Francis Parchaso, WMA

Information Specialist(s): Joanne C. Ferreira

Data Type(s): Imagery: Photo, Location-Elevation: Navigation, Sampling: Geology, Time Series: Mooring (physical oceanography)

Scientific Purpose/Goals: Determine temporal variability in bed sediment erodibility and investigate its causes

Vehicle(s): MarFac; Dodge Ram truck G43-1698S, MarFac; Ford F350 pickup/stake truck; 6 pass; G82-0317H

Start Port/Location: Vallejo, CA

End Port/Location: Vallejo, CA

Start Date: 2020-01-21

End Date: 2020-06-02

Equipment Used: camera, GPS, Gomex Core, Moorings - Tripods

Information to be Derived: Wave properties, currents, suspended-sediment concentration, salinity, water level, bed sediemnt grains size, bulk density, and carbon content.

Summary of Activity and Data Gathered: Platforms were not recovered until June 2, 2020 due to COVID. Bed sediments were sampled 5 times during deployment and once in June. Data collection was successful.

Staff: Rachel (Contractor) Allen, Peter Dal Ferro, Joanne C. Ferreira, Cordell Johnson, Jessica Lacy, Daniel Powers, Andrew Stevens

Affiliate Staff:

Notes: Entries for this field activity are based on entries from Field Activity 2019-625-FA


northern San Francisco Bay

North: 38.17127344 South: 37.96368875 West: -122.55523682 East: -121.86584473


photo of Parke Snavely
Parke Snavely


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
camera --- Photo
GPS --- Navigation
Gomex Core --- Geology
Moorings - Tripods --- Mooring (physical oceanography)

Accessibility FOIA Privacy Policies and Notices

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