Articles | Volume 22, issue 3
Hydrol. Earth Syst. Sci., 22, 1917–1929, 2018
https://doi.org/10.5194/hess-22-1917-2018
Hydrol. Earth Syst. Sci., 22, 1917–1929, 2018
https://doi.org/10.5194/hess-22-1917-2018

Research article 20 Mar 2018

Research article | 20 Mar 2018

Active heat pulse sensing of 3-D-flow fields in streambeds

Eddie W. Banks et al.

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Latest update: 19 Sep 2021
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Short summary
This study used a portable 56-sensor, 3-D temperature array with three heat pulse sources to measure the flow direction and magnitude below the water–sediment interface. Breakthrough curves from each of the sensors were analyzed using a heat transport equation. The use of short-duration heat pulses provided a rapid, accurate assessment technique for determining dynamic and multi-directional flow patterns in the hyporheic zone and is a basis for improved understanding of biogeochemical processes.