Results 191 to 200 of about 4,028 (227)
Hyporheic hot moments: Dissolved oxygen dynamics in the hyporheic zone in response to surface flow perturbations [PDF]
Water Resources Research, 2017 AbstractDissolved oxygen (DO) is a key environmental variable that drives and feeds back with numerous processes. In the aquatic sediment that makes up the hyporheic zone, DO may exhibit pronounced spatial gradients and complex patterns which control the distribution of a series of redox processes.
Matthew H Kaufman +2 more
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The hyporheic habitat of river ecosystems
Nature, 1988Contemporary river ecology is based primarily on biogeochemical studies of the river channel and interactions with shoreline vegetation, even though most rivers have extensive floodplain aquifers that are hydraulically connected to the channel. The hyporheic zone, the interstitial habitat penetrated by riverine animals, is characterized as being ...
J. A. Stanford, J. V. Ward
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Hydrolysis of norfloxacin in the hyporheic zone: kinetics and pathways
Environmental Science and Pollution Research, 2022Understanding the hydrolysis behavior and pathway of norfloxacin (NOR) in the hyporheic zone (HZ) is important for predicting its environmental persistence. Therefore, the effects of different environmental factors on NOR hydrolysis were investigated, and the hydrolysis pathway of NOR in the HZ was determined by DFT calculations and UPLC/TOF-MS.
Jianping Zhang +6 more
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2020
<p>Changing climatic drivers significantly endanger the function of the hyporheic zone (HZ). Increased temperature leads to an increase in respiration and expansion of anoxic areas in river sediments. Under conditions of low stream discharge (with high proportion of groundwater) reduced substances enter the upper parts of the HZ ...
Robin Kaule +2 more
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<p>Changing climatic drivers significantly endanger the function of the hyporheic zone (HZ). Increased temperature leads to an increase in respiration and expansion of anoxic areas in river sediments. Under conditions of low stream discharge (with high proportion of groundwater) reduced substances enter the upper parts of the HZ ...
Robin Kaule +2 more
openaire +1 more source
Inter‐disciplinary perspectives on processes in the hyporheic zone
Ecohydrology, 2010AbstractThe interface between groundwater and surface water within riverine/riparian ecosystems—the hyporheic zone (HZ)—is experiencing a rapid growth of research interest from a range of scientific disciplines, often with different perspectives. The majority of the multi‐disciplinary research aims to elucidate HZ process dynamics and their importance ...
Krause, S. +8 more
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Environmental Pollution
Nano-plastics (NPs) present significant environmental risks due to their small size, high reactivity, and mobility, yet their migration behavior in hyporheic zones remains poorly understood. Previous models predominantly employed one-dimensional NPs permeation in porous media that neglected critical multi-physics processes including hyporheic exchange ...
Zijun, Yang +5 more
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Nano-plastics (NPs) present significant environmental risks due to their small size, high reactivity, and mobility, yet their migration behavior in hyporheic zones remains poorly understood. Previous models predominantly employed one-dimensional NPs permeation in porous media that neglected critical multi-physics processes including hyporheic exchange ...
Zijun, Yang +5 more
openaire +2 more sources
Engineered hyporheic zones: design and applications in stream health restoration – a review
Water Science and Technology: Water Supply, 2022Ankit Tewari +2 more
exaly
Integrated numerical modeling to quantify transport and fate of microplastics in the hyporheic zone
Water Research, 2023Franz Dichgans +2 more
exaly