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Monitoring bioretention cell performance: A large-scale lysimeter study

Lookup NU author(s): Dr Daniel GreenORCiD, Dr Ross Stirling, Professor Richard DawsonORCiD



This is the authors' accepted manuscript of a conference proceedings (inc. abstract) published in its final definitive form in 2021. For re-use rights please refer to the publishers terms and conditions.


Sustainable Drainage Systems (SuDS) are a widely adopted approach for managing excess urban runoff byintercepting, retaining and attenuating the flow of water through the built environment, playing a key rolein reducing urban flood risk (Berretta et al. 2018). Vegetated bioretention cells (alternatively referred to as‘rain gardens’) are one of the most simple, practical and commonly implemented of SuDS options and can beeasily retrofitted into urban spaces to deal with surface water from paved areas. Although current UK andinternational guidance provide design recommendations for SuDS devices (e.g. Australian Government,2015; Woods-Ballard et al., 2015), further quantitative indicators of hydrological performance based onmonitored systems are required. The aim of this study is to provide an evidence base on the effectiveness ofsuch systems to support the optimal implementation of vegetated bioretention cells for stormwatermanagement. This paper presents the methodological approach using a series of large-scale lysimeterexperiments based at the UKCRIC National Green Infrastructure Facility (NGIF), Newcastle University, UK.Lysimeter experiments were designed to provide long-term monitoring data of key hydrological variables todemonstrate the capacity and effectiveness of bioretention systems and improve future management anddesign.

Publication metadata

Author(s): Green D, Stirling R, De-Ville S, Stovin V, Dawson R

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 15th International Conference on Urban Drainage

Year of Conference: 2021

Print publication date: 25/10/2021

Online publication date: 25/10/2021

Acceptance date: 20/08/2021

Date deposited: 10/01/2022