hyporheic zone
Hyporheic Zone Hydrochemistry of the Mine Polluted River
... the zone of most intensive mixing of ground and stream ...marginal zone of the sandbar about 5 metres wide are almost the same as in the ...this zone 100% of stream water flow is paral- lel or the ...
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Nitrogen attenuation, dilution and recycling in the intertidal hyporheic zone of a subtropical estuary
... the hyporheic zone, and a further 87 % of the remaining NO − 3 was then consumed in the hy- porheic zone ...by hyporheic exchange was proba- bly consumed at Profile 3 ...
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Research of Hydrochemical Properties of Hyporheic Zone along the WeiHe River in Shanxi Segment
... Surface-subsurface exchange (hyporheic exchange) across the river bed plays an important role in the fate of solutes and contaminants in rivers. With the dee- pening of river water ecology and environment ...
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Temperature effect on tert-butyl alcohol (TBA) biodegradation kinetics in hyporheic zone soils
... Biodegradation of TBA should be evaluated further by investigating the effects of dissolved oxygen (DO) concen- trations on TBA mineralization rate. Degradation studies with polycyclic aromatic hydrocarbons (PAHs) and ...
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The influence of riparian hyporheic zone on the hydrological responses in an intermittent stream
... the hyporheic zones, which are transition compartments between the stream and the ...and hyporheic zones has focused on nutrient dynamics (Hill, 2000) as they are of major importance for the protection of ...
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Heterogeneous hyporheic zone dechlorination of a TCE groundwater plume discharging to an urban river reach
... - hyporheic zones is expected to decrease chlorinated hydrocarbon (CHC) groundwater plume discharges to river receptors through dechlorination ...– hyporheic zone dechlorination of a TCE groundwater ...
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Variability of Darcian Flux in the Hyporheic Zone at a Natural Channel Bend
... vertical hydraulic gradient (VHG) and Darcian flux (DF) in the hyporheic zone were estimated at 61 locations along a channel bend of the Beiluo River during July 2015 and January 2016. All the streambed ...
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Decay of Pressure Fluctuation in the Hyporheic Zone around a Cylinder
... to hyporheic process only for the case of materials with relatively high hydraulic conductivity and coarse size fraction (gra- vels), and only in flat beds with no flow ...quantify hyporheic pressure ...
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Statistical Modeling to Predict N2O Production within the Hyporheic Zone by Coupling Denitrifying Microbial Community Abundance to Geochemical and Hydrological Parameters
... of hyporheic area considered anoxic (64% of the ports were within anoxic DO concentrations versus 39% and 23% for the 6 and 9 cm dune, respectively), where 150 µmol/L DO was recorded no deeper than 3 cm below the ...
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Modelling hyporheic processes for regulated rivers under transient hydrological and hydrogeological conditions
... the hyporheic zone is a nitrate source at low residence time and a nitrate sink at high residence time (Zarnetske et ...the hyporheic zone is controlled by exchange fluxes and bank storage (Gu ...
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Evaluation of Ecological Function in Restored Urban Streams
... the hyporheic zone (Eriksen et ...the hyporheic water of restored sites. Because surface-hyporheic exchanges are multidimensional, there are likely to be factors such as horizontal flows from ...
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Continental hydrosystem modelling: the concept of nested stream–aquifer interfaces
... At the local scale (plot, river cross section), the stream– aquifer interface consists of a hyporheic zone (HZ, Fig. 1c), which corresponds to an ecotone, whose extent varies dy- namically in space and ...
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Quantifying spatial and temporal discharge dynamics of an event in a first order stream, using distributed temperature sensing
... regolith. Hyporheic exchange (both upwelling and downwelling) was assumed to take place within a single lon- gitudinal grid cell, and lateral hyporheic flow paths are not taken into ...the hyporheic ...
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Impact of geomorphic structures on hyporheic exchange, temperature, and ecological processes in streams
... and hyporheic exchange ...storage zone (Bencala and Walters ...storage zone parameters are determined via inverse modeling ...storage zone (related to hyporheic zone size), the ...
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Study of heterogeneous vertical hyporheic flux via streambed temperature at different depths
... The hyporheic flux can be characterized using the heat-tracing ...conditions, hyporheic flux was obtained via a curve fitting ...the hyporheic zone was analysed by a curve relating groundwater ...
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Groundwater-Surface Water Interaction and Nutrient Retention within the Floodplain of the Cape Fear River, North Carolina.
... the hyporheic zone and ...months. Hyporheic zone piezometer PE1U also displayed low d-excess values from August through September 2010 suggesting that groundwater in this area was affected by ...
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Co-located contemporaneous mapping of morphological, hydrological, chemical, and biological conditions in a 5th-order mountain stream network, Oregon, USA
... For hyporheic samples, water was pumped into a small flow-through cell until it overflowed, and then the sensor was placed into the cell while flow ...and hyporheic observations the sensor remained in place ...
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Natural attenuation of chlorinated ethenes in hyporheic zones : a review of key biogeochemical processes and in-situ transformation potential
... 702 hyporheic zone is sensitive to particle size distribution given that the surface area available for 703 colonisation decreases with increasing particle size (Mendoza-Lera et ...
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Nitrogen concentrations in a small Mediterranean stream: 1 Nitrate 2 Ammonium
... the hyporheic zone (ranging between 54 and 119 minutes at 25 cm depth in the sediments) (Butturini and Sabater, 1999) explains the lack of a significant difference in nitrate concentration between surface ...
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Monitoring temporal patterns of vertical hyporheic flux via distributed temperature sensors
... the hyporheic exchange (Rosenberry et ...of hyporheic exchange is becoming an important subject in hydrogeological and river ecological studies (Schmidt et ...The hyporheic flux is the carrier of ...
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