Continuous turbidity monitoring in streams of northwestern California

Rand Eads; Jack Lewis

Treesearch

Continuous turbidity monitoring in streams of northwestern California

Informally Refereed

Authors:

Rand Eads, Jack Lewis

Year:

2002

Type:

Miscellaneous Publication

Station:

Pacific Southwest Research Station

Source:

In: Turbidity and other sediment surrogates workshop (ed. by G.D. Glysson & J.R. Gray). 30 April - 02 May 2002, Reno, Nevada. 3 p.

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Abstract

Abstract - Redwood Sciences Laboratory, a field office of the USDA Forest Service, Pacific Southwest Research Station has developed and refined methods and instrumentation to monitor turbidity and suspended sediment in streams of northern California since 1996. Currently we operate 21 stations and have provided assistance in the installation of 6 gaging stations for agencies, municipalities, universities, and citizens groups. These installations employ a method called Turbidity Threshold Sampling (TTS), an automated data collection and sampling system in which a data logger employs real-time turbidity to control a pumping sampler (Lewis and Eads, 2001; Lewis, 1996). It is common in streams and rivers for most of the annual suspended sediment to be transported during a few, large rainstorm events. Automated data collection is essential to effectively capture such events.

Keywords

PSW4351, sediment, water, turbidity threshold sampling, suspended sediment, data logger, data collection

Citation

Eads, Rand; Lewis, Jack. 2002. Continuous turbidity monitoring in streams of northwestern California. In: Turbidity and other sediment surrogates workshop (ed. by G.D. Glysson & J.R. Gray). 30 April - 02 May 2002, Reno, Nevada. 3 p.