1. Sediment Dynamics Drive
Contaminant Dynamics
David Schoellhamer
Greg Shellenbarger Neil Ganju
U.S. Geological Survey
Jay Davis
Lester McKee
San Francisco Estuary Institute
NASA

2. Why study sediment dynamics? Contaminants are associated with sediment
RMP

3. Sediment
Stations
Clean sensor
and cable
Fouled sensor
and cable
Data retrieval
in gage house
Van Dorn sampler

4. Point San Pablo SSC and Mercury

5. Point San Pablo, 4-day Average
25% above WQO

6. Mallard Island RMP Sources, Pathways, and Loadings Workgroup:
What is the loading from the Central Valley?
Mallard
Island

7. Delta Sediment Inflow
Gilbert, Porterfield, Krone, OBA, McKee et al.

8. Contaminant Distribution: Petaluma River
2000 RMP Pulse of the Estuary

9. NASA
UCD/USGS

10. UCD/USGS

11. UCD/USGS

12. Petaluma River Trapped sediment mass Tidal oscillation
Persists throughout year
Large suspended- sediment concentration
Sonoma Creek too
2000 RMP Pulse of the Estuary

13. Sediment and Contaminant Budgets
Sources and sinks
New data and studies
Sediment supply decreasing
Proposed alterations
Revising sediment budget
Legacy contaminants in bed
Add sediment and PCBs to salinity box model
San Pablo Bay
Jaffe and Smith, in review
Uncles and Peterson 1995

14. Sedimentation Studies Scientific Integration
Physics
Chemistry
Ecology
Watershed
Wetlands
Oceanography

15. Sedimentation Studies Programmatic Integration
U.S. Army Corps of Engineers (RMP)
SF Regional WQ Control Board
CV Regional WQ Control Board
Calif. Coastal Conservancy/USFWS/DFG
CALTRANS/UC Davis
CALFED Bay/Delta Program
Interagency Ecological Program
USGS Place-based Program
USGS Federal/State Coop Program

16. Future of RMP Sediment Studies
Long-term data: watershed supply
Variability of contaminants: Petaluma River
Legacy contaminant trends: bed dynamics
Development and restoration projects

17. Project staff 1993-present
Lee Bergfeld, Matt Brennan, Greg Brewster, Paul Buchanan, Laurie Campbell, Randal Dinehart, Trinia Dzurny, Neil Ganju, Tom Hankins, Jessica Lacy, Larry Lindsay, Megan Lionberger, Cathy Ruhl, David Schoellhamer, Greg Shellenbarger, Rob Sheipline, Brad Sullivan, Ann Tobin, Rob Turner, John Warner, and Scott Wright

18. Collaborators and Colleagues
Rick Adorador, Mike Barad, Curt Battenfeld, Brian Bergamaschi, Matt Brennan, Jeremy Bricker, Jon Burau, Melissa Carlozzi, Ralph Cheng, Jim Cloern, Jay Cuetara, Jay Davis, Jim DeRose, Judi DeVarnne, Judy Drexler, Jeff Gartner, Roger Fujii, Bruce Jaffe, Brian Jennings, Noah Knowles, Jeff Koseff, Kathryn Kuivila, Jessica Lacy, Lisa Lucas, Lester McKee, Kris May, Keith Miles, Ed Moon, Steve Monismith, Rick Oltmann, Francis Parchaso, Cathy Ruhl, Carol Sanchez, Geoff Schladow, Mike Simpson, Larry Smith, Pete Smith, Rich Smith, Mark Stacey, Robin Stewart, Rick Stumpf, John Takekawa, Jan Thompson, John Warner, Jon Yokomizo, Tom Young, and more …

19. Reports and Data http://ca. water. usgs
Reports and Data sfbay/sfbaycontbib.html