Results 41 to 50 of about 4,028 (227)

Impact of flow alteration and temperature variability on hyporheic exhange [PDF]

open access: yes, 2020
Coupled groundwater flow and heat transport within hyporheic zones extensively affect water, energy, and solute exchange with surrounding sediments. The local and cumulative implications of this tightly coupled process strongly depend on characteristics ...
Stefan Krause   +19 more
core   +1 more source

Laboratory experiments on lateral hyporheic exchange in riverbanks with curved bank morphology

open access: yesShui kexue jinzhan, 2013
As an important component of stream-subsurface exchange processes,lateral hyporheic exchange plays a crucial role in maintaining health of river and riparian ecosystems.In order to reveal the discipline of lateral hyporheic exchange induced by bank ...
LIN Junqiang, YAN Zhongmin, XIA Jihong
doaj   +1 more source

Organic Carbon in Shallow Subterranean Habitats

open access: yesActa Carsologica, 2013
subterranean habitatsOrganic carbon is likely to be a limiting factor in shallow subterranean habitats (SSHs). Data on dissolved organic carbon (DOC) in three SSHs are reviewed: (1) hypotelminorheic and associated seepage springs (Nanos Mountain ...
Tanja Pipan, David C. Culver
doaj   +1 more source

Benthic and hyporheic invertebrate community responses to seasonal flow recession in a groundwater-dominated stream

open access: yes, 2010
Natural hydrological variability in lotic ecosystems can include prolonged periods of flow recession. A reduction in discharge is accompanied by abiotic changes in benthic and hyporheic habitats, often including reductions in s habitat availability ...
Wood, PJ   +7 more
core   +1 more source

The hyporheic zone as an invertebrate refuge: a review of variability in space, time, taxa and behaviour [PDF]

open access: yes, 2012
The hyporheic zone is a potential refuge that can promote persistence of benthic invertebrates during adverse conditions in surface streams. For decades, changes in invertebrate depth distribution have been investigated in relation to flood, low flow and
Rachel Stubbington, Stubbington, R
core   +1 more source

Impact of geometric features of impermeable discrete bedform on hyporheic exchange

open access: yesWater Science and Engineering
The bedform-driven hyporheic exchange plays a crucial role in mass transport within natural aquatic ecosystems like streams and rivers. This study aimed to unveil the impact of geometric features of impermeable discrete bedforms on hyporheic exchange by ...
Xue-yong Wang, Jing-yu Fan
doaj   +1 more source

Dynamic processes and ecological restoration of hyporheic layer in riparian zone

open access: yesShui kexue jinzhan, 2013
Hyporheic layer of riparian zone is an active transition zone and ecotone between river and groundwater in riparian zone,which can be denoted respectively from hydrogeography,ecology and environment.Due to its unique structure properties in vertical ...
XIA Jihong   +5 more
doaj   +1 more source

Assessing Spatial Riverbed Clogging and Its Dynamics at the Reach Scale: A Coupled Approach Combining Field Measurements and 1D Hydro‐Sedimentary Numerical Modeling

open access: yesRiver Research and Applications, EarlyView.
ABSTRACT Assessing spatial and temporal variability of clogging in gravel‐bed rivers is challenging because field methods typically rely on labor‐intensive measurements of fine‐sediment content, porosity, or hydraulic conductivity. Clogging is also highly dynamic, driven by hydro‐sedimentary conditions; yet few studies have examined it at large scales ...
D. Hernandez, B. Camenen, A. Bonnefoy
wiley   +1 more source

Interstitial fauna of the Sava River in Eastern Slovenia

open access: yesNatura Sloveniae, 2019
Interstitial water that occupies the pore spaces within unconsolidated sediments is a unique habitat, inhabited by surface as well as exclusively subterranean species (stygobionts). The best studied of all interstitial habitats is the hyporheic zone, an
Simona Prevorčnik   +8 more
doaj   +1 more source

Experimental Study on Fine Sediment Infiltration (FSI) Processes in Different Gravel Mixtures

open access: yesRiver Research and Applications, EarlyView.
ABSTRACT Fine sediment infiltration (FSI) can lead to riverbed clogging, thereby degrading important habitats for aquatic biota in the hyporheic interstitial zone of gravel‐bed rivers (e.g., by reducing oxygen availability). This stress on rivers may increase from anthropogenic influences and can be counteracted by artificial gravel augmentation to ...
Michael Paster   +3 more
wiley   +1 more source

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