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Is the Hyporheic Zone Relevant beyond the Scientific Community?

1
Department Ecohydrology, Leibniz-Institute of Freshwater Ecology and Inland Fisheries, 12587 Berlin, Germany
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Geography Department, Humboldt University of Berlin, 12489 Berlin, Germany
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Zuckerberg Institute for Water Research, The Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Midreshet Ben-Gurion 84990, Israel
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National Centre for Groundwater Research and Training (NCGRT), College of Science & Engineering, Flinders University, Adelaide, SA 5001, Australia
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Eawag, Swiss Federal Institute of Aquatic Science and Technology, 8600 Dübendorf, Switzerland
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AAWA-Autorità di distretto idrografico delle Alpi Orientali, 38122 Trento, Italy
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Chair of Water Resources Management and Modeling of Hydrosystems, Technische Universität Berlin, 10623 Berlin, Germany
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Department of Environmental Science and Analytical Chemistry (ACES), Stockholm University, 11418 Stockholm, Sweden
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School of Geography, Earth and Environmental Sciences, University of Birmingham, Birmingham B15 2TT, UK
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Biology, Chemistry and Pharmacy Department, Free University Berlin, 14195 Berlin, Germany
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Civil and Environmental Engineer Department, University of Trento, 38123 Trento, Italy
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Department of Civil and Environmental Engineering, Vanderbilt University, Nashville, TN 37205, USA
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School of Water, Energy and Environment, Cranfield University, Cranfield MK43 0AL, UK
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O’Neill School of Public and Environmental Affairs, Indiana University, Bloomington, IN 47405, USA
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School of Earth Sciences, University of Western Australia, Crawley, Western Australia 6009, Australia
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Department of Ecological Microbiology, University of Bayreuth, 95440 Bayreuth, Germany
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Institute of Microbiology, Leibniz University of Hannover, 30419 Hannover, Germany
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Naturalea Conservació, SL, 08211 Castellar del Vallès, Spain
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Istituto di Scienza e Tecnologie dell’Informazione (ISTI) National Research Council (CNR), Area della Ricerca CNR di Pisa, 56124 Pisa, Italy
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Julius Kühn-Institute, Institute for Ecological Chemistry, Plant Analysis and Stored Product Protection, 14195 Berlin, Germany
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Department of Sustainable Development, Environmental Science and Engineering, KTH Royal Institute of Technology, 10044 Stockholm, Sweden
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Department of Environmental Science and Technology, Chair Water Quality Engineering, Technische Universität Berlin, Straße des 17. Juni 135, 10623 Berlin, Germany
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Department of Life Sciences, University of Roehampton, London SW15 4JD, UK
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Department of Environmental Systems Science, ETH Zurich, 8000 Zurich, Switzerland
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Institute for Hygiene and Environment, Free and Hanseatic City of Hamburg, 20539 Hamburg, Germany
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IWW Water Centre, 45476 Mülheim an der Ruhr, Germany
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Institute of Applied Geosciences, Technische Universität Darmstadt, 64287 Darmstadt, Germany
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Department of Earth Science, Free University Berlin, 12249 Berlin, Germany
*
Author to whom correspondence should be addressed.
Water 2019, 11(11), 2230; https://doi.org/10.3390/w11112230
Received: 29 September 2019 / Revised: 20 October 2019 / Accepted: 21 October 2019 / Published: 25 October 2019
(This article belongs to the Special Issue Groundwater-Surface Water Interactions)
Rivers are important ecosystems under continuous anthropogenic stresses. The hyporheic zone is a ubiquitous, reactive interface between the main channel and its surrounding sediments along the river network. We elaborate on the main physical, biological, and biogeochemical drivers and processes within the hyporheic zone that have been studied by multiple scientific disciplines for almost half a century. These previous efforts have shown that the hyporheic zone is a modulator for most metabolic stream processes and serves as a refuge and habitat for a diverse range of aquatic organisms. It also exerts a major control on river water quality by increasing the contact time with reactive environments, which in turn results in retention and transformation of nutrients, trace organic compounds, fine suspended particles, and microplastics, among others. The paper showcases the critical importance of hyporheic zones, both from a scientific and an applied perspective, and their role in ecosystem services to answer the question of the manuscript title. It identifies major research gaps in our understanding of hyporheic processes. In conclusion, we highlight the potential of hyporheic restoration to efficiently manage and reactivate ecosystem functions and services in river corridors. View Full-Text
Keywords: hyporheic zone; hyporheic exchange flow; surface water–groundwater exchange; ecosystem services; nutrient turnover; refuge; hyporheos; removal of trace organic compounds; emerging pollutants; self-purification capacity hyporheic zone; hyporheic exchange flow; surface water–groundwater exchange; ecosystem services; nutrient turnover; refuge; hyporheos; removal of trace organic compounds; emerging pollutants; self-purification capacity
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Lewandowski, J.; Arnon, S.; Banks, E.; Batelaan, O.; Betterle, A.; Broecker, T.; Coll, C.; Drummond, J.D.; Gaona Garcia, J.; Galloway, J.; Gomez-Velez, J.; Grabowski, R.C.; Herzog, S.P.; Hinkelmann, R.; Höhne, A.; Hollender, J.; Horn, M.A.; Jaeger, A.; Krause, S.; Löchner Prats, A.; Magliozzi, C.; Meinikmann, K.; Mojarrad, B.B.; Mueller, B.M.; Peralta-Maraver, I.; Popp, A.L.; Posselt, M.; Putschew, A.; Radke, M.; Raza, M.; Riml, J.; Robertson, A.; Rutere, C.; Schaper, J.L.; Schirmer, M.; Schulz, H.; Shanafield, M.; Singh, T.; Ward, A.S.; Wolke, P.; Wörman, A.; Wu, L. Is the Hyporheic Zone Relevant beyond the Scientific Community? Water 2019, 11, 2230.

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