2023 Early Hearing Detection & Intervention Conference
March 5-7, 2023 • Cincinnati, OH
5/26/2021 | 8:30 AM - 10:30 AM | HYPORHEIC ZONE HYDROLOGY IN EXPERIMENTAL ANNULAR FLUMES | Virtual Platform
HYPORHEIC ZONE HYDROLOGY IN EXPERIMENTAL ANNULAR FLUMES
Experimental flumes are useful analogs for the study of ground and surface water exchange in streams. Annular flumes containing stream substrate may serve as useful systems to study hyporheic hydrology because water is continuously in contact with the substrate. However, the conformity between annular flume hydrology and known hyporheic dynamics has never been explored. We monitored salt tracers under alternative annular flume configurations and compared results to a power law residence time distribution (RTD) commonly seen in natural systems. We explored variability in the RTD associated with sediment dune shape, water pump placement, and flume water draw-down. Annular flumes exhibited a power law RTD under a variety of configurations. Our results suggest that the use of annular flumes can reproduce realistic hyporheic hydrology, particularly the power law RTD.
- Flow
- Geomorphology
- Transport
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Presenters/Authors
Hayley Oakland
(), Montana State University, hayleyoakland@montana.edu;
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Elizabeth Mohr
(), Montana State University, elizabethjmohr@gmail.com;
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Samuel Fritz
(), Montana State University, samuel.fritz2@student.montana.edu;
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Geoffrey Poole
(), Montana State University, Montana Institute on Ecosystems, gpoole@montana.edu ;
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Lindsey Albertson
(), Montana State University , lindsey.albertson@montana.edu;
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