Results 111 to 120 of about 5,645 (215)

Characterizing water quality and hydrologic properties of urban streams in central Virginia [PDF]

open access: yes, 2019
The objective of this study was to characterize water quality and hydrologic properties of urban streams in the Richmond metropolitan area. Water quality data were analyzed for six urban sites and two non-urban sites.
Lucas, Rikki
core   +1 more source

Effect of Surface Water Stage Fluctuation on Mixing‐Dependent Hyporheic Denitrification in Riverbed Dunes

open access: yesWater Resources Research, 2019
The hyporheic zone, where surface water (SW) and groundwater (GW) interact in shallow sediments beneath rivers, is uniquely reactive and attenuates pollutants.
Erich T. Hester   +2 more
doaj   +1 more source

The emerging use of magnetic resonance imaging to study river bed dynamics [PDF]

open access: yes, 2015
The characterization of surface and sub-surface sedimentology has long been of interest to gravel-bed river researchers. The determination of surface structure is important as it exerts control over bed roughness, near-bed hydraulics and particle ...
Haynes, Heather   +4 more
core  

The macroinvertebrate seedbank promotes community persistence in temporary rivers across climate zones [PDF]

open access: yes, 2013
1. Aquatic macroinvertebrates inhabiting temporary rivers are typically described as having low resistance to riverbed drying. However, little research has examined the ‘seedbank’ within dry riverbed sediments, which comprises aquatic life stages that ...
Datry, T, Stubbington, R
core   +2 more sources

Fine sediment reduces vertical migrations of Gammarus pulex (Crustacea: Amphipoda) in response to surface water loss [PDF]

open access: yes, 2015
Surface and subsurface sediments in river ecosystems are recognized as refuges that may promote invertebrate survival during disturbances such as floods and streambed drying.
ABW James   +60 more
core   +3 more sources

Flume Experiments With Refractive‐Index Matched Sediment Revealing the Impact of Two In‐Line Channel‐Spanning Logs on Hyporheic Exchange

open access: yesWater Resources Research
In‐channel wood, a critical component of forested rivers, has the capacity to enhance hyporheic flow. This process facilitates the continuous exchange of gases, solutes, and nutrients across the sediment‐water interface, regulating pollutant transport ...
S. H. Huang   +3 more
doaj   +1 more source

A Review on Storage Process Models for Improving Water Quality Modeling in Rivers

open access: yesHydrology
Water quality is intricately linked to the global water crisis since the availability of safe, clean water is essential for sustaining life and ensuring the well-being of communities worldwide. Pollutants such as industrial chemicals, agricultural runoff,
Amir Mohammad Saadat   +2 more
doaj   +1 more source

Biodiversity of macrozoobenthos in a large river, the Austrian Danube, including quantitative studies in a free-flowing stretch below Vienna: a short review [PDF]

open access: yes, 2005
The Danube is ca. 2850 km in length and is the second largest river in Europe. The Austrian part of the Danube falls 156 metres in altitude over its 351 km length and, since the early 1950s, the river has been developed into a power-generating waterway ...
Fesl, Christian, Humpesch, Uwe
core  

Lost in Dune Translation: The Effects of Aerobic Microbial Growth Dynamics on Hyporheic Transport and Reaction in the Presence of Moving Riverbed Dunes

open access: yesWater Resources Research
The hyporheic zone is the interface between surface water (SW) and groundwater (GW) in shallow aquatic sediments where reactions can attenuate contaminants.
W. Seth Lotts   +4 more
doaj   +1 more source

Groundwater Geochemistry in the Karst-Fissure Aquifer System of the Qinglian River Basin, China

open access: yesHydrology
The Qinglian River plays a significant role in China’s national water conservation security patterns. To clarify the relationship between hydrogeochemical properties and groundwater quality in this karst-fissure aquifer system, drilling data ...
Lanfang Xu   +7 more
doaj   +1 more source

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