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Title: Turbidity threshold sampling: Methods and instrumentation

Author: Eads, Rand; Lewis, Jack;

Date: 2001

Source: Page Poster-27, in: Proceedings of the Seventh Federal Interagency Sedimentation Conference, 25-29 March 2001, Reno, Nevada. Federal Interagency Project, Technical Committee of the Subcommittee on Sedimentation.

Publication Series: Miscellaneous Publication

Description: Traditional methods for determining the frequency of suspended sediment sample collection often rely on measurements, such as water discharge, that are not well correlated to sediment concentration. Stream power is generally not a good predictor of sediment concentration for rivers that transport the bulk of their load as fines, due to the highly variable routing of sediment to the channel from hillslopes, roads, and landslides. A method, such as turbidity threshold sampling, that employs a parameter well correlated to concentration, can improve sampling efficiency by collecting samples that are distributed over a range of rising and falling concentrations.

Keywords: PSW4351, Caspar Creek, sediment, water discharge, turbidity threshold sampling, sediment concentration, data logger

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  • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

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Eads, Rand; Lewis, Jack 2001. Turbidity threshold sampling: Methods and instrumentation. Page Poster-27, in: Proceedings of the Seventh Federal Interagency Sedimentation Conference, 25-29 March 2001, Reno, Nevada. Federal Interagency Project, Technical Committee of the Subcommittee on Sedimentation.

 


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