Green infrastructure design and performance evaluation: A practice-based interdisciplinary design and research

David Dziubanski, Bo Yang, Thomas Meixner

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We report a practice-based interdisciplinary design and research project on Green Infrastructure (GI). GI strategies have been widely used in the urban environment to mitigate floods, with various modeling tools employed to forecast design performance. However, current knowledge is based primarily on modeling hypothetical scenarios, with relatively few empirical studies using technical design drawings as the input data for modeling. To address this gap, an interdisciplinary team consisting of experts from landscape architecture and hydrology integrated site design with modeling analysis. The project is focused on the Auto Mall area (28.9 ha) in Tucson, Arizona (USA). The area has the highest impervious cover percentage (86.5%) in the city, making it vulnerable to flash floods during Arizona’s monsoon season. Various GI retrofit designs are proposed, including increasing rainwater harvesting volumes (curb cut, bioswale, cistern), and reducing impervious cover areas (porous pavement, daylighting arroyo). The team completed three different designs and associated technical drawings. Preliminary modeling results show that the designs would provide around 3610 m3 runoff storage volume and reduce the discharge volume by 75% (1-yr 1-hr storms). Detailed analysis is being performed using the KINEROS hydrologic model to further compare the performance of design scenarios and their climateresilience.

Original languageEnglish (US)
Title of host publicationANZAScA 2020 - 54th International Conference of the Architectural Science Association
Subtitle of host publicationImaginable Futures: Design Thinking, and the Scientific Method
EditorsAli Ghaffarianhoseini, Amirhosein Ghaffarianhoseini, Nicola Naismith, Mahesh Babu Purushothaman, Dat Doan, Esther Aigwi, Funmi Rotimi, Nariman Ghodrati
PublisherArchitectural Science Association
Pages521-530
Number of pages10
ISBN (Electronic)9780992383572
StatePublished - 2020
Event54th International Conference of the Architectural Science Association, ANZAScA 2020 - Virtual, Online, New Zealand
Duration: Nov 26 2020Nov 27 2020

Publication series

NameProceedings of the International Conference of Architectural Science Association
Volume2020-November
ISSN (Electronic)2209-3850

Conference

Conference54th International Conference of the Architectural Science Association, ANZAScA 2020
Country/TerritoryNew Zealand
CityVirtual, Online
Period11/26/2011/27/20

Keywords

  • Ecosystem services
  • Hydrologic modelling
  • KINEROS
  • Urban design

ASJC Scopus subject areas

  • Architecture
  • Building and Construction
  • Management, Monitoring, Policy and Law
  • Environmental Engineering
  • Renewable Energy, Sustainability and the Environment
  • Urban Studies

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