Where does infiltrated stormwater go? Interactions with vegetation and subsurface anthropogenic features
Jeremie Bonneau, Tim D Fletcher, Justin F Costelloe, Peter J Poelsma, Robert B James, Matthew J Burns
JOURNAL OF HYDROLOGY | ELSEVIER | Published : 2018
The practice of stormwater infiltration is widely used to reduce the amount of urban stormwater runoff delivered to drainage systems and receiving waters. In theory, the practice recharges groundwater, leading to increased urban stream baseflow. In reality, however, little is known about the fate of infiltrated stormwater. Because urban groundwater pathways are numerous and the interactions with subsurface infrastructure (e.g. trenches, pipes, etc.) are highly complex, the spatial and temporal variability of the contribution of infiltrated stormwater to baseflow is difficult to predict. We tracked the fate of infiltrated stormwater out of an 1800 m2 infiltration basin (3.5% of its 5-ha imper..View full abstract
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This article is a tribute to Justin Costelloe and his considerable contribution to science. Justin was a tremendous contributor to his field of research and to this article, and to the supervision of the PhD of the main author of the article. This work is supported by Melbourne Water and Knox City Council. Prof. Tim Fletcher was supported during part of this work by the Australian Research Council's Future Fellowship scheme (FT100100144) and the work is supported indirectly by ARC Linkage Project (LP130100295) and an Australian Research Council Discovery grant (DP170102870). We thank anonymous reviewers whose comments have contributed to a great improvement of the manuscript. Chris Walsh, Jasper Kunapo and Mike Timms made many insightful comments on the present text.