Results 171 to 180 of about 7,895 (223)

Drifting along: using diatoms to track the contribution of microbial mats to particulate organic matter transport in a glacial meltwater stream in the McMurdo Dry Valleys, Antarctica. [PDF]

Front Microbiol
Stanish LF, Kohler TJ, Darling J, McKnight DM.   +3 more
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Effects of heavy metals and hyporheic exchange on microbial community structure and functions in hyporheic zone

Journal of Environmental Management, 2022
The responses of microbial communities in hyporheic zone to the eco-hydrological process have been a hotspot in river ecological health research. However, the impact of different metal pollution levels and hyporheic exchange on the microbial communities are still unclear.
Dong Liang, Jinxi Song, Jun Xia, Jianbo Chang, Feihe Kong, Haotian Sun, null Qiong wu, Dandong Cheng, Yixuan Zhang   +8 more
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Transport of Phosphorus in the Hyporheic Zone

Water Resources Research, 2022
AbstractPhosphorus is not only an essential nutrient for organisms but also a major contributor to the eutrophication of fluvial ecosystems. Previous studies have focused on the flux of phosphorus at the water‐sediment interface, and very little is known about the transport and distribution of phosphorus in bedforms.
Guangqiu Jin, Hexiang Chen, Zhongtian Zhang, Qihao Jiang, Zhenyu Liu, Hongwu Tang   +5 more
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Regional groundwater funneling within the hyporheic zone

2022
<p>Groundwater-surface water interaction controls the exchange of contaminants, solutes and energy between aquifers and surface water resources. In particular, groundwater contamination and solute transport time is prolonged due to the impact induced by hyporheic fluxes within the streambed sediment.
Brian Babak Mojarrad, Anders Wörman, Joakim Riml   +2 more
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Fungi in the Hyporheic Zone of a Springbrook

Microbial Ecology, 2006
Eight bimonthly sediment core samples (n = 6) were collected, to a depth of 64 cm, from the hyporheic zone of a springbrook in southern Ontario, Canada. Sediment cores were divided into three to four sections, and organic matter was subdivided into six different categories.
F, Bärlocher, L G, Nikolcheva, K P, Wilson, D D, Williams   +3 more
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Temporal Hyporheic Zone Response to Water Table Fluctuations

Groundwater, 2015
Abstract Expansion and contraction of the hyporheic zone due to temporal hydrologic changes between stream and riparian aquifer influence the biogeochemical cycling capacity of streams. Theoretical studies have quantified the control of groundwater discharge on the depth of the hyporheic zone; however, observations of temporal ...
Jonathan M, Malzone, Sierra K, Anseeuw, Christopher S, Lowry, Richelle, Allen-King   +3 more
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Stream solute transport incorporating hyporheic zone processes

Journal of Hydrology, 2006
The behavior of solute transport in pool and riffle, or meandering types of streams, is greatly influenced by surface/subsurface flow and solute transport interactions. It is important to model these processes accurately in rivers and streams to improve downstream water quality. Two decades ago, Bencala and Walters (1983) [Bencala, K.E., Walters, R.A.,
Cevza Melek Kazezyılmaz-Alhan, Miguel A. Medina   +1 more
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The chalk hyporheic zone: a true ecotone?

Hydrobiologia, 2016
This review summarises the main ecotonal properties of chalk hyporheic zone (CHZ), using a holistic approach on both structure and functionality of this habitat. The corroborated results suggest that the CHZ represents a typically shallow habitat (approx. 40–50 cm deep), with a homogenous distribution of both fauna and chemistry between heads and tails
Octavian Pacioglu, Lucian Pârvulescu
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Floods, channel change, and the hyporheic zone

Water Resources Research, 1999
We investigated the influence of flood‐induced channel changes on the hyporheic zone of 4th‐ and 5th‐order reaches of a mountain stream network. Preflood versus postflood comparisons were made in three study reaches from well networks established before and reestablished after a major flood.
Steven M. Wondzell, Frederick J. Swanson
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