Issue |
E3S Web Conf.
Volume 171, 2020
The 9th International Scientific-Technical Conference on Environmental Engineering, Photogrammetry, Geoinformatics – Modern Technologies and Development Perspectives (EEPG Tech 2019)
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Article Number | 01003 | |
Number of page(s) | 5 | |
Section | Environmental Engineering | |
DOI | https://doi.org/10.1051/e3sconf/202017101003 | |
Published online | 09 June 2020 |
Phosphorus leaching from substrates commonly used in rain gardens
1 Institute of Environmental Engineering, Warsaw University of Life Sciences – SGGW, Nowoursynowska 159, 02-776 Warsaw, Poland
2 Faculty of Agriculture and Biology (student), Warsaw University of Life Sciences – SGGW, Nowoursynowska 159, 02-776 Warsaw, Poland
* Corresponding author: agnieszka_karczmarczyk@sggw.pl
Rain gardens are not yet a very popular solution in Poland but their number in cities is steadily growing. They are a measure of adaptation of cities to climate change. Rain gardens can be effective in rainwater retention and delaying runoff or groundwater recharge via infiltration. Among the benefits, also rainwater purification function is often suggested. The aim of the study was (1) to analyze potential phosphorus leaching from construction materials sampled from two rain gardens, and (2) to assess the quality of effluent from multi-layered rain garden in container. Results showed that materials commonly used in filling up rain gardens (sand and gravel) can be a significant source of phosphorus in filtered rainwater. Concentration of phosphorus in both, roof runoff and effluent from multi-layerded rain garden, show different patterns in different series. These preliminary studies show the need of continuous monitoring of existing rain gardens, as well as responsible selection of filter materials for newly built ones.
© The Authors, published by EDP Sciences, 2020
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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