Journal article
The influence of stormwater infiltration on downslope groundwater chemistry
M Arora, TD Fletcher, MJ Burns, AW Western, CF Yong, PJ Poelsma, RB James
Environmental Geochemistry and Health | SPRINGER | Published : 2023
Abstract
Stormwater infiltration basins have been used extensively around the world to restore urban hydrology towards more natural flow and water quality regimes. There is, however, significant uncertainty in the fate of infiltrated water and accompanying contaminants that depends on multiple factors including media characteristics, interactions with downslope vegetation, legacy contaminants, and presence of underground infrastructure. Understanding the influence of such factors is thus central to the design and siting of infiltration basins. An extensive field program was established to collect monthly data on ground water quality, including nutrients and major ion concentrations, in a bore network..
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Awarded by Melbourne Water
Funding Acknowledgements
This project was funded by the Australian Research Council Discovery Program (DP170102870). In a previous role, Fletcher received payment for his contribution to the engineering design of the Wicks Reserve Infiltration System. The authors would also like to sincerely thank our late colleague, Justin Costelloe, for his contributions to the early stages of this project. Some of the authors are supported by the Melbourne Waterway Research-Practice Partnership (funded by Melbourne Water).