Ripple Effects: Bed Form Morphodynamics Cascading Into Hyporheic Zone Biogeochemistry

The water quality and ecosystem health of river corridors depend on the biogeochemical processes occurring in the hyporheic zones (HZs) of the beds and banks of rivers. HZs in riverbeds often form because of bed forms. Despite widespread and persistent variation in river flow, how the discharge‐ and...

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Veröffentlicht in:	Water resources research 2019-08, Vol.55 (8), p.7320-7342
Hauptverfasser:	Zheng, Lizhi, Cardenas, M. Bayani, Wang, Lichun, Mohrig, David
Format:	Artikel
Sprache:	eng
Schlagworte:	Acceleration Aquatic ecosystems Banks (topography) Bed forms Biogeochemistry Cascading Computational fluid dynamics Computer simulation Deceleration Denitrification Dunes Dynamics Efficiency ENVIRONMENTAL SCIENCES Exchanging Fixed beds Flow stability Flow velocity Fluid flow Fluvial sediments GEOSCIENCES Grain size Groundwater Hydraulics Hydrostatic pressure Hyporheic zone Hyporheic zones Mathematical analysis Mathematical models mobile bed forms Modelling morphodynamics Nitrate removal Nitrates Nitrogen Nitrogen removal Numerical simulations Nutrient removal Particle size Pollutants Pressure Pressure variations Ripples River banks River beds River flow River water Rivers Sediment Sedimentary structures Sediments Solute transport Solutes Stability criteria Stream flow Topography (geology) Transport Variation Velocity Water pressure Water quality
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