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USGS Coastal and Marine Geology Program

Field Activity Details for field activity 2018-644-FA

AKA: DL158

Other ID: none

Status: Completed

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

Funding Program(s): Applied sediment transport (ZP009TV)

Principal Investigator(s): Jessica Lacy

Affiliate Investigator(s):

Information Specialist(s): Joanne C. Ferreira

Data Type(s): Location-Elevation: Navigation, Sampling: Geology

Scientific Purpose/Goals: To improve the scientific basis for shallow water habitat restoration to support fisheries in the San Francisco Bay Delta, in collaboration with scientists from the CA Water Science Center.

Vehicle(s): MarFac; crewcab - G63-2147R

Start Port/Location: Rio Vista, CA

End Port/Location: Rio Vista, CA

Start Date: 2018-06-20

End Date: 2018-06-20

Equipment Used: Push corer, Garmin

Information to be Derived: Grain size and bulk density of bed sediments.

Summary of Activity and Data Gathered: Grain size, bulk density

Staff: Evan Dailey, Cordell Johnson

Affiliate Staff:

Notes: Entries for this field activity are based on entries from Field Activity 2018-626-FA


San Francisco Bay Delta, Little Holland Tract, California

North: 38.34440275 South: 38.22842333 West: -121.729 East: -121.63231728


photo of Fast Eddy (SC)
Fast Eddy (SC)


Lacy, J.R., Dailey, E.T., and Carlson, E.M., 2020, Bed sediment properties in Little Holland Tract and Liberty Island, Sacramento-San Joaquin Delta, California, 2014 to 2019 (ver. 2.0, May 2020): U.S. Geological Survey data release,


Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
Push corer --- Biology
GarminUsed to locate sampling sites.Navigation

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