A planning-support tool for spatial suitability assessment of green urban stormwater infrastructure

Martijn Kuller, Peter M. Bach, Simon Roberts, Dale Browne, Ana Deletic

Research output: Contribution to journalArticleResearchpeer-review

1 Citation (Scopus)

Abstract

Distributed green stormwater management infrastructure is increasingly applied worldwide to counter the negative impacts of urbanisation and climate change, while providing a range of benefits related to ecosystem services. They are known as Water Sensitive Urban Design (WSUD) in Australia, Nature Based Solutions (NBS) in Europe, Low Impact Development (LID) in the USA, and Sponge City systems in China. Urban planning for WSUD has been ad-hoc, lacking strategy and resulting in sub-optimal outcomes. The purpose of this study is to help improve strategic WSUD planning and placement through the development of a Planning Support System. This paper presents the development of Spatial Suitability ANalysis TOol (SSANTO), a rapid GIS-based Multi-Criteria Decision Analysis tool using a flexible mix of techniques to map suitability for WSUD assets across urban areas. SSANTO applies a novel WSUD suitability framework, which conceptualises spatial suitability for WSUD implementation from two perspectives: ‘Needs’ and ‘Opportunities’ for WSUD. It combines biophysical as well as socio-economic, planning and governance criteria (‘Opportunities’) with criteria relating to ecosystem services (‘Needs’). Testing SSANTO through comparing its results to work done by a WSUD consultancy successfully verified its algorithms and demonstrated its capability to reflect and potentially enhance the outcomes of planning processes. Manual GIS based suitability analysis is time and resource intensive. Through its rapid suitability analysis, SSANTO facilitates iterative spatial analysis for exploration of scenarios and stakeholder preferences. It thus facilitates collaborative planning and deeper understanding of the relationship between diverse and complex urban contexts and urban planning outcomes for WSUD.

Original languageEnglish
Pages (from-to)856-868
Number of pages13
JournalScience of the Total Environment
Volume686
DOIs
Publication statusPublished - 10 Oct 2019

Keywords

  • Ecosystem services
  • GIS-MCDA
  • Location choice
  • Sustainable urban water management
  • Urban planning
  • Water Sensitive Urban Design (WSUD)

Cite this

Kuller, Martijn ; Bach, Peter M. ; Roberts, Simon ; Browne, Dale ; Deletic, Ana. / A planning-support tool for spatial suitability assessment of green urban stormwater infrastructure. In: Science of the Total Environment. 2019 ; Vol. 686. pp. 856-868.
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A planning-support tool for spatial suitability assessment of green urban stormwater infrastructure. / Kuller, Martijn; Bach, Peter M.; Roberts, Simon; Browne, Dale; Deletic, Ana.

In: Science of the Total Environment, Vol. 686, 10.10.2019, p. 856-868.

Research output: Contribution to journalArticleResearchpeer-review

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