Double-peaked breakthrough curves as a consequence of solute transport through underground lakes: a case study of the Furfooz karst system, Belgium

Citation

Material Information

Title:
Double-peaked breakthrough curves as a consequence of solute transport through underground lakes: a case study of the Furfooz karst system, Belgium
Series Title:
Hydrogeology Journal
Creator:
Dewaide, Lorraine
Collon, Pauline
Poulain, Amaël
Rochez, Gaëtan
Hallet, Vincent
Publication Date:
Language:
English

Subjects

Subjects / Keywords:
Karst ( local )
Tracer Tests ( local )
Double-Peaked Breakthrough Curve ( local )
Underground Lake ( local )
Belgium ( local )
Genre:
serial ( sobekcm )

Notes

Abstract:
The existence of double-peaked breakthrough curves (BTC), which are the result of the transport of a dye tracer through underground lakes, is reported. Investigations were undertaken on the Furfooz karst system in southern Belgium. In this system, the River Lesse sinks partially into a swallow hole. The water follows a solitary conduit leading to an underground lake that is directly connected to a second underground lake. Double-peaked BTCs were detected in the resurgent water, downstream of this second lake. The report first describes field data (tracer tests in various hydrologic conditions) which point towards the double peak being linked to a nonlinear process that originates within the lakes. Complementary investigations within the lakes show a complex behavior of the dye tracer related to a specific hydrodynamic feature that leads to the separation of the solute plume. A conceptual model of the solute transport within the lakes is proposed. This model emphasizes the physical effect of the lakes on the dye flow-through process.
Original Version:
Hydrogeology Journal, Vol. 26, no. 2 (2017-09-26).

Record Information

Source Institution:
University of South Florida Library
Holding Location:
University of South Florida
Rights Management:
This object is protected by copyright, and is made available here for research and educational purposes. Permission to reuse, publish, or reproduce the object beyond the bounds of Fair Use or other exemptions to copyright law must be obtained from the copyright holder.

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