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Open-File Report 99–189

Prepared in cooperation with the San Francisco Regional Water Quality Control Board, and the U.S. Army Corps of Engineers

Summary of Suspended-Solids Concentration Data, San Francisco Bay, California, Water Year 1997

By Paul A. Buchanan and David H. Schoellhamer

Abstract

Suspended-solids concentration data were collected in San Francisco Bay during water year 1997 (October 1, 1996–September 30, 1997). Optical backscatterance sensors and water samples were used to monitor suspended solids at two sites in Suisun Bay, three sites 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 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 1996 through September 1997 (water year 1997). Calibration plots and plots of edited data for each sensor also are presented.

For additional information contact:
Director, California Water Science Center
U.S. Geological Survey
6000 J Street, Placer Hall
Sacramento, California 95819 /> http://ca.water.usgs.gov/

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Suggested citation:

Buchanan, P.A., and Schoellhamer, D.H., 1999, Summary of Suspended-Solids Concentration Data, San Francisco Bay, California, Water Year 1997: U.S. Geological Survey Open-File Report 99-189, 52 p.



Contents

Abstract

Introduction

Methods

Sensor Calibration and Suspended-Solids Concentration Data

Summary

References


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