Field Activity 2019-626-FA

Identifier 2019-626-FA
Also known as San Pablo wildfire runoff study
Purpose Characterize sediment and contaminant runoff from wildfire-impacted watersheds to north San Francisco Bay
Location San Pablo Bay, California
Summary Seventeen bottom sediment samples were collected.
Info derived Sediment geochemistry, grain size, carbon, carbon isotopes, and contaminant concentrations (PAHs, PFAS).
Comments Project: Ecosystems San Francisco Bay PES FY19 mid-year; Platform: R/V Jewell;
MarFac; Ford F350 MT use only; pickup - white; G43-2784H
Start Napa, CA 2019-06-03
End Napa, CA 2019-06-04
Days in the field 2
West -122.69138575
East -121.87869787
North 38.47200328
South 37.96651388


2885 Mission Street
Santa Cruz, CA95060
(831) 460-7401
Principal investigators Renee K Takesue
Crew members
Timothy C Elfers
Scientist, Staff
McKee, Jennifer
Scientist, Staff
Information specialist(s)
Renee K Takesue
Specialist, Information

Data types and categories

Data category: Location-Elevation, Sampling
Data type: Navigation, Geology

Equipment used

Equipment Usage description Data types Datasets
Handheld GPS Navigation (no data reported)
Ponar grab sampler Biology, Chemistry, Geology 1


Datasets compiled from multiple sources

Dataset name Equipment Description Dataset contact
Parent and alkylated polycyclic aromatic hydrocarbons (PAHs) and per- and polyfluoroalkyl substances (PFAS) in north San Francisco Bay, Napa River, and Sonoma Creek in 2018 and 2019 Ponar grab sampler Sediment grain-size distributions, stable carbon isotope ratios (d13C), total carbon to total nitrogen ratios (C:N), short-lived radionuclides (Beryllium-7, Cesium-137, and Lead-210), concentrations of 76 parent and alkylated polycyclic aromatic hydrocarbons (PAHs) and concentrations of 33 per- and polyfluoroalkyl substances (PFAS) were measured in the northern reach of San Francisco Bay (San Pablo and Suisun Bays), and in stream beds of the lower reaches of Napa River and Sonoma Creek, 5 months and 20 months after the 2017 Atlas and Nuns wildfires. New sites for sediment geochemistry analyses added 20 months post-fire included the lower reaches of Petaluma Creek and Suisun Slough, and in marsh sediment on Napa River and Sonoma Creek. Renee K Takesue


Samples collected during this field activity