A comprehensive review on the long-term performance of stormwater biofiltration systems (SBS): Operational challenges and future directions. (15th January 2022)

• Record Type: Journal Article
• Authors: Yang, Feikai; Fu, Dafang; Zevenbergen, Chris; Rene, Eldon R.
• Is Part Of: Journal of environmental management. Volume 302:Part A(2022)
• Publication Date: 2022-01-15
• Subjects: Stormwater biofiltration system (SBS) -- Long-term performance -- Hydraulic conductivity -- Pollutant removal -- Model simulation; Environmental policy -- Periodicals; Environmental management -- Periodicals; Environment -- Periodicals; Ecology -- Periodicals; 363.705
• DOI: 10.1016/j.jenvman.2021.113956
• Languages: English
• ISSNs: 0301-4797

Abstract

Abstract: Stormwater biofiltration systems (SBS) are a popular technology for mitigating the negative effects of urbanization on the hydrological processes and water quality in urban areas. However, little is known about SBS's long-term performance in actual field conditions. The findings of a review of the scientific literature on the long-term performance of SBS are presented in this paper. The findings show that only a few studies have investigated the performance of SBS and its change over time, and that the results of laboratory and field experiments differed due to the presence of plants, regular maintenance, and some uncertain environmental factors. Based on the existing knowledge gaps in this field, the main challenges observed was the lack of long-term field data series, and the existing mathematical models are not able to accurately forecast the long-term performance of SBS. This could be owing to the difficulties in monitoring activities, the high costs involved and the unpredictability around the operational timeframe. Future study should concentrate on the implementation of simulation and modeling-based research in pilot and full-scale SBS, and the inclusion of new performance indicators should be considered as a priority. Graphical abstract: Image 1 Highlights: The performance of stormwater biofiltration systems (SBS) change with time. There is a knowledge gap between laboratory and field-scale SBS experiments. Existing models cannot forecast the long-term performance of SBS accurately. Challenges and future directions for long-term performance of SBS are provided.