Suspended-solids concentration data were collected in San Francisco Bay during water year 1994. Optical backscatterance sensors and water samples were used to monitor suspended solids continuously at two sites in Suisun Bay, two sites in Central San Francisco Bay, and three sites in South San Francisco Bay. Sensors were positioned at two depths at each site. In addition, a shallow-water instrument package was deployed in South San Francisco Bay three times for periods of several weeks to measure suspended-solids concentration and water velocity. Water samples were collected periodically and were analyzed for concentrations of suspended solids. The results of the analyses were used to calibrate the electrical output of the optical backscatterance sensors. This report presents the data-collection methods used and summarizes the suspended-solids concentration data collected from October 1993 through September 1994. Calibration plots and edited data for each sensor also are presented.
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USGS Numbered Series
Summary of suspended-solids concentration data, San Francisco Bay, California, water year 1994
U.S. Geological Survey ;
Earth Science Information Center, Open-File Reports Section [distributor],