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Evaluating natural capital performance of urban development through system dynamics: A case study from London

O'Keeffe, Jimmy; Pluchinotta, Irene; De Stercke, Simon; Hinson, Caitlin; Puchol-Salort, Pepe; Mijic, Ana; Zimmermann, Nici; (2022) Evaluating natural capital performance of urban development through system dynamics: A case study from London. Science of The Total Environment , Article 153673. 10.1016/j.scitotenv.2022.153673. (In press). Green open access

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Abstract

Natural capital plays a central role in urban functioning, reducing flooding, mitigating urban heat island effects, reducing air pollution, and improving urban biodiversity through provision of habitat space. There is also evidence on the role played by blue and green space in improving physical and mental health, reducing the burden on the health care service. Yet from an urban planning and development view, natural capital may be considered a nice to have, but not essential element of urban design; taking up valuable space which could otherwise be used for traditional built environment uses. While urban natural capital is largely recognised as a positive element, its benefits are difficult to measure both in space and time, making its inclusion in urban (re)development difficult to justify. Here, using a London case study and information provided by key stakeholders, we present a system dynamics (SD) modelling framework to assess the natural capital performance of development and aid design evaluation. A headline indicator: Natural Space Performance, is used to evaluate the capacity of natural space to provide ecosystem services, providing a semi-quantitative measure of system wide impacts of change within a combined natural, built and social system. We demonstrate the capacity of the model to explore how combined or individual changes in development design can affect natural capital and the provision of ecosystem services, for example, biodiversity or flood risk. By evaluating natural capital and ecosystem services over time, greater justification for their inclusion in planning and development can be derived, providing support for increased blue and green space within cities, improving urban sustainability and enhancing quality of life. Furthermore, the application of a SD approach captures key interactions between variables over time, showing system evolution while highlighting intervention opportunities.

Type: Article
Title: Evaluating natural capital performance of urban development through system dynamics: A case study from London
Location: Netherlands
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.scitotenv.2022.153673
Publisher version: https://doi.org/10.1016/j.scitotenv.2022.153673
Language: English
Additional information: This version is the author's accepted manuscript, available under the Creative Commons Attribution 4.0 International (CC BY 4.0) licence.
Keywords: Ecosystem services, London, Natural capital, Natural space performance, System dynamics
UCL classification: UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment > Bartlett School Env, Energy and Resources
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL
URI: https://discovery.ucl.ac.uk/id/eprint/10143804
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