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Diffusive Behavior of Bedform-Induced Hyporheic Exchange in Rivers
Journal of Environmental Engineering, 2005Solute transport in natural streams is a complex phenomenon that involves both in-stream dispersion and mass exchange with the porous zones surrounding the water body. Due to the complex nature of the riverine systems several models may be used to simulate and analyze the transport of solutes with different degrees of complexity.
MARION, ANDREA, ZARAMELLA M.
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Seasonal variation in cascade‐driven hyporheic exchange, northern Honduras
Hydrological Processes, 2010AbstractA characterization of hyporheic exchange for dry and wet season baseflow, as well as partially dewatered discharge, was done in Prieta Creek, a first‐order cascade in northern Honduras. The cascade had discharges from 1 to 15 l s−1, had average slopes of 12%, pool spacing of 3 m, and shallow substrate of sand and gravel.
Fabian M. W. +3 more
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RIVERBED MORPHOLOGY, HYDRODYNAMICS AND HYPORHEIC EXCHANGE PROCESSES
2020Hyporheic exchange is key to buffer water quality and temperatures in streams and rivers, while also providing localized downwelling and upwelling microhabitats. In this research, the effect of geomorphological parameters on hyporheic exchange has been assessed from a physical standpoint: surface and subsurface flow fields, pressure distribution across
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Numerical modeling of bed form induced hyporheic exchange
Paddy and Water Environment, 2014The hyporheic zone is a region beneath and alongside a stream, river, or lake bed where shallow groundwater and surface water mix. Field and experimental observations, along with modeling studies, indicate that hyporheic exchange occurs mainly in response to pressure gradients driven by the geomorphological features of stream beds.
Du Han Lee, Young Joo Kim, Samhee Lee
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Lateral hyporheic exchange throughout the Mississippi River network
Nature Geoscience, 2014River water circulates through river bed and bank sediments. Model simulations suggest that practically all of the river water that reaches the mouth of the Mississippi River network has circulated laterally through its banks.
Brian A. Kiel, M. Bayani Cardenas
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Hyporheic exchange and streambed filtration of suspended particles
Water Resources Research, 2012Fine particles are necessary for watershed biogeochemical cycling and stream metabolic processes but pose a risk to water quality if present in excess or if carrying sorbed contaminants. Despite having low settling velocities, these particles can leave suspension during downstream transport by a series of processes such as hyporheic filtration ...
Diana L. Karwan, James E. Saiers
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Effect of streamflow stochasticity on bedform-driven hyporheic exchange
Advances in Water Resources, 2010Abstract The interactions between the stream and the geomorphologic units that compose the stream channel result in an exchange of water, heat, and chemicals that is an important component of the flows of energy and nutrients in the river ecosystem.
BOANO, Fulvio +2 more
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Hyporheic exchange processes in a coastal headwater stream
2007Hyporheic exchange flow involves the two-way movement of water between the stream channel and the bed and banks. These exchange flows create distinctive habitats and influence biogeochemical processes and water temperatures. This study focused on the characterization of the spatial distribution of subsurface flow pathways and associated travel times ...
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Effects of bed geometric characteristics on hyporheic exchange
Journal of Hydro-environment Research, 2022Guangqiu Jin +6 more
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Effect of Mid‐Channel Bar Geometry on Hyporheic Exchange
River Research and ApplicationsABSTRACT Hyporheic exchange has been shown to provide essential ecosystem functions such as biogeochemical opportunities for nutrient processing. Hyporheic exchange flux (HEF) and residence time (RT) in the hyporheic zone are highly influenced by the size of instream morphological structures ranging from ripples ...
Sara Jamali +4 more
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