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Published in:
2021 | OriginalPaper | Chapter
Impact of Permeable Pavement on Stormwater Runoff in Urban Areas: A Case Study of Leiria
Authors : Nahum Santos, Ricardo Gomes, Anabela Veiga
Published in: Proceedings of the 1st International Conference on Water Energy Food and Sustainability (ICoWEFS 2021)
Publisher: Springer International Publishing
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Abstract
The human occupation in high demographics density areas causes a series of environmental impacts. Among these impacts, special attention should be given to the alteration of hydrological cycle caused by the impermeabilization of the surface, which creates an increase in the peak flow stormwater runoff and a decrease in lag time, which are involved in urban flooding. This paper evaluates the impacts of permeable pavement as a sustainable solution to reduce stormwater runoff in Capuchos Urbanization, Leiria city. This area was chosen because it is a consolidated urban environment with information about water catchment and drainage network. A Storm Water Management Model (SWMM5.1) was developed to evaluate the performance of drainage network, for different rainfall intensity and with/without permeable pavement. The results show that permeable pavement preset to be a good solution to reduce the peak flow of stormwater drainage network and, consequently, the mitigation of the risk of flooding in urban areas.