Modelling Hydrology of a Single Bioretention System with HYDRUS-1D

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Modelling Hydrology of a Single Bioretention System with HYDRUS-1D

A study was carried out on the effectiveness of bioretention systems to abate stormwater using computer simulation. The hydrologic performance was simulated for two bioretention cells using HYDRUS-1D, and the simulation results were verified by field data of nearly four years. Using the validated model, the optimization of design parameters of rainfall return period, filter media depth and type...

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Field Performance of Bioretention: Hydrology Impacts

Flows into and out of two bioretention facilities constructed on the University of Maryland campus were monitored for nearly 2 years, covering 49 runoff events. The two parallel cells capture and treat stormwater runoff from a 0.24 ha section of an asphalt surface parking lot. The primary objective of this work was to quantify the reduction of hydrologic volume and flow peaks and delay in peak ...

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Implementation of quadratic upstream interpolation schemes for solute transport into HYDRUS-1D

Numerical solution of the advectionedispersion equation, used to evaluate transport of solutes in porous media, requires discretization schemes for space and time stepping. We examine use of quadratic upstream interpolation schemes QUICK, QUICKEST, and the total variation diminution scheme ULTIMATE, and compare these with UPSTREAM and CENTRAL schemes in the HYDRUS-1D model. Results for purely c...

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Analysis of 2,4-D residues in soil profile using HYDRUS-1D model

ABSTRACT- Despite the benefits of herbicides, their persistence in soil can harm other plants in next rotations and contaminate ground water. The main purpose of this research is to simulate 2,4-dichlorophenoxyaceticacid(2,4-D) movement in silty clay loam soil using HYDRUS-1D model in a corn root zone. The maximum contaminant level goal, MCLG, of 2,4-D in water resources is 10 ppb. The 3.5 kg a...

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ژورنال

عنوان ژورنال: The Scientific World Journal

سال: 2014

ISSN: 2356-6140,1537-744X

DOI: 10.1155/2014/521047