Thinking outside the channel: modeling nitrogen cycling in networked river ecosystems

AM Helton, GC Poole, JL Meyer… - Frontiers in Ecology …, 2011 - Wiley Online Library
Agricultural and urban development alters nitrogen and other biogeochemical cycles in
rivers worldwide. Because such biogeochemical processes cannot be measured empirically …

Hyporheic zone hydrologic science: A historical account of its emergence and a prospectus

MB Cardenas - Water Resources Research, 2015 - Wiley Online Library
The hyporheic zone, defined by shallow subsurface pathways through river beds and banks
beginning and ending at the river, is an integral and unique component of fluvial systems. It …

Review of experimental procedures and modelling techniques for flow behaviour and their relation to residence time in constructed wetlands

R Stephenson, C Sheridan - Journal of Water Process Engineering, 2021 - Elsevier
Accurate modelling of constructed wetlands is vital for furthering the use of these systems.
Constructed wetlands can treat various types of wastewater, including domestic wastewater …

How reliable are ANN, ANFIS, and SVM techniques for predicting longitudinal dispersion coefficient in natural rivers?

R Noori, Z Deng, A Kiaghadi… - Journal of Hydraulic …, 2016 - ascelibrary.org
Determination of longitudinal dispersion coefficient (LDC) using artificial intelligence (AI)
techniques can improve environmental management strategies for river systems. However …

Flow and residence times of dynamic river bank storage and sinuosity‐driven hyporheic exchange

JD Gomez‐Velez, JL Wilson… - Water Resources …, 2017 - Wiley Online Library
Hydrologic exchange fluxes (HEFs) vary significantly along river corridors due to
spatiotemporal changes in discharge and geomorphology. This variability results in the …

Parameter estimation for fractional transport: A particle‐tracking approach

P Chakraborty, MM Meerschaert… - Water resources …, 2009 - Wiley Online Library
Space‐fractional advection‐dispersion models provide attractive alternatives to the classical
advection‐dispersion equation for model applications that exhibit early arrivals and plume …

Characterisation of hyporheic exchange in a losing stream using radon-222

SA Bourke, PG Cook, M Shanafield, S Dogramaci… - Journal of …, 2014 - Elsevier
Hyporheic and parafluvial flows between streams and the underlying streambed, or adjacent
alluvium, are important drivers of biogeochemical cycling in streams. Here we present a new …

Estimation of the dispersion coefficient in natural rivers using a granular computing model

R Noori, B Ghiasi, H Sheikhian… - Journal of Hydraulic …, 2017 - ascelibrary.org
Because pollutant dispersion in rivers is strongly influenced by the longitudinal dispersion
coefficient (K x), its accurate estimation is critical in the field of environmentally sound …

Surface storage dynamics in large rivers: Comparing three‐dimensional particle transport, one‐dimensional fractional derivative, and multirate transient storage …

EJ Anderson, MS Phanikumar - Water Resources Research, 2011 - Wiley Online Library
Large rivers are major conduits for sediment and nutrient transport and play an important
role in global biogeochemical cycles. While smaller rivers received attention in recent …

Ensemble-based release estimation for accidental river pollution with known source position

X Zhang, M Huang - Journal of hazardous materials, 2017 - Elsevier
Dispersion model is an important tool for decision makers to accurately assess risks and
effectively plan countermeasures during river pollution accidents, but their applications …