By Paul A. Buchanan and Neil K. Ganju
U.S. GEOLOGICAL SURVEY
Data Series 113
Sacramento, California 2005
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Suspended-sediment concentration data were collected in San Francisco Bay during water year 2003 (October 1, 2002-September 30, 2003). Optical sensors and water samples were used to monitor suspended-sediment concentration at two sites in Suisun Bay, three sites in San Pablo Bay, one site in Central San Francisco Bay, and three sites in South San Francisco Bay. Sensors were positioned at two depths at most sites. Water samples were collected periodically and analyzed for concentrations of suspended sediment. The results of the analyses were used to calibrate the output of the optical sensors so that a record of suspended-sediment concentrations could be derived. This report presents the data-collection methods used and summarizes the suspended-sediment concentration data collected from October 2002 through September 2003. Calibration curves and plots of edited data for each sensor also are presented.
Abstract
Introduction
Purpose and Scope
Study Area
Acknowledgments
Methods
Instrument Description and Operation
Monitoring Sites
Suisun Bay Installations
San Pablo Bay Installations
Central San Francisco Bay Installations
South San Francisco Bay Installations
Water-Sample Collection
Data Processing
Sensor Calibration and Suspended-Sediment Concentration Data
Suisun Bay
Mallard Island
Benicia Bridge
San Pablo Bay
Carquinez Bridge
Mare Island Causeway
Channel Marker 9
Central San Francisco Bay
Point San Pablo
South San Francisco Bay
San Mateo Bridge
Dumbarton Bridge
Channel Marker 17
Summary
References Cited
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