New information and guidance for collapsible bag-type sediment samplers

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Answers for many critical water-related issues require solid-phase water-quality data that are representative, accurate, and consistent. Collection of suspended sediment samples for subsequent analyses of solid-phase constituents that represent water-column sediment concentrations requires use of appropriate isokinetic samplers and sampling techniques (Davis, 2005a). Recent review of field and laboratory data indicates that the Federal Interagency Sedimentation Project (FISP) collapsible bag-type sediment samplers may not function isokinetically under certain low velocity and/or low temperature conditions. Updated guidance and operational limits for FISP bag-type samplers were issued in FISP Memorandum 2013.01 (2013). This paper describes new information and guidance for operation of FISP bag-type samplers and ongoing efforts to further characterize the factors that influence bag-type sampler efficiency.

Publication type Conference Paper
Publication Subtype Conference Paper
Title New information and guidance for collapsible bag-type sediment samplers
Year Published 2015
Language English
Publisher SEDHYD 2015 Conference Proceedings
Contributing office(s) WMA - Observing Systems Division
Description 10 p.
Larger Work Type Book
Larger Work Subtype Conference publication
Larger Work Title Proceedings of the 5th Federal Interagency Hydrologic Modeling Conference and the 10th Federal Interagency Sedimentation Conference
First page 458
Last page 467
Conference Title 3rd Joint Federal Interagency Conference on Sedimentation and Hydrologic Modeling
Conference Location Reno, NV
Conference Date April 19-23, 2015
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