2014
DOI: 10.1002/2012rg000417
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Hyporheic flow and transport processes: Mechanisms, models, and biogeochemical implications

Abstract: Fifty years of hyporheic zone research have shown the important role played by the hyporheic zone as an interface between groundwater and surface waters. However, it is only in the last two decades that what began as an empirical science has become a mechanistic science devoted to modeling studies of the complex fluid dynamical and biogeochemical mechanisms occurring in the hyporheic zone. These efforts have led to the picture of surface-subsurface water interactions as regulators of the form and function of f… Show more

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Cited by 755 publications
(892 citation statements)
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References 549 publications
(1,434 reference statements)
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“…Research interest about these morphologies derives from their relevance in hydraulic engineering and environmental applications. River bedforms not only interfere with river navigation [1,2] and human infrastructure [3,4], they also induce differential pressure gradients that modify the flow field and consequently the overall hydraulic resistance, induce hyporheic fluxes [5,6], and affect underground flows through preferential patterns within ancient sedimentary deposits [7,8]. The present work focuses on dunes and antidunes (see Fig.…”
Section: Introductionmentioning
confidence: 99%
“…Research interest about these morphologies derives from their relevance in hydraulic engineering and environmental applications. River bedforms not only interfere with river navigation [1,2] and human infrastructure [3,4], they also induce differential pressure gradients that modify the flow field and consequently the overall hydraulic resistance, induce hyporheic fluxes [5,6], and affect underground flows through preferential patterns within ancient sedimentary deposits [7,8]. The present work focuses on dunes and antidunes (see Fig.…”
Section: Introductionmentioning
confidence: 99%
“…Travel times in rivers and watersheds are very broadly distributed [Kirchner et al, 2000;Haggerty et al, 2002;Stonedahl et al, 2012;Aubeneau et al, 2014], but the mechanisms that produce travel time distributions over many orders of magnitude are not known precisely [Boano et al, 2014]. The exchange of water between surface and subsurface flows, generally termed hyporheic exchange, plays a critical role in structuring fluvial ecosystems [Boulton et al, 1998;Aubeneau et al, 2015].…”
Section: Introductionmentioning
confidence: 99%
“…As a result, the streambed and its biofilm microbiome contribute to biogeochemical fluxes 8 . Indeed, stream biofilms are now recognized as substantial contributors to global carbon fluxes by degrading organic matter and ultimately emitting an unexpectedly large amount of carbon dioxide into the atmosphere 9,10 .…”
mentioning
confidence: 99%
“…may even be considered to have undergone a 'co evolutionary' relationship, as biofilms adapt and evolve in response to the physical and chemical structure of the streambed environment, and simultaneously modify this environment by changing its hydrodynamics 6,64,65 and establishing chemical gradients 8 . These interactions between the biofilm and the sediment regulate not only physical patterns of the porous space but also the ecology of the biofilms therein.…”
mentioning
confidence: 99%