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A GIS-based procedure for measuring the effects of the built environment on urban flash floods

Li, Yan and Liu, Chunlu 2016, A GIS-based procedure for measuring the effects of the built environment on urban flash floods, Journal of green building, vol. 11, no. 3, Summer, pp. 110-125, doi: 10.3992/jgb.11.3.110.1.

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Title A GIS-based procedure for measuring the effects of the built environment on urban flash floods
Author(s) Li, Yan
Liu, Chunlu
Journal name Journal of green building
Volume number 11
Issue number 3
Season Summer
Start page 110
End page 125
Total pages 16
Publisher College Publishing
Place of publication Glen Allen, Va.
Publication date 2016
ISSN 1552-6100
1943-4618
Keyword(s) land use
GIS
numerical simulation
facility construction
stormwater management
Summary Urban flooding has been a severe problem for many cities around the world as it remains one of the greatest threats to the property and safety of human communities. In Australia, it is seen as the most expensive natural hazard. However, urban areas that are impervious to rainwater have been sharply increasing owing to booming construction activities and rapid urbanisation. The change in the built environment may cause more frequent and longer duration of flooding in floodprone urban regions. Thus, the flood inundation issue associated with the effects of land uses needs to be explored and developed. This research constructs a framework for modelling urban flood inundation. Different rainfall events are then designed for examining the impact on flash floods generated by land-use changes. Measurement is formulated for changes of topographical features over a real time series. Geographic Information System (GIS) technologies are then utilised to visualise the effects of land-use changes on flood inundation under different types of storms. Based on a community-based case study, the results reveal that the built environment leads to varying degrees of aggravation of urban flash floods with different storm events and a few rainwater storage units may slightly mitigate flooding extents under different storm conditions. Hence, it is recommended that the outcomes of this study could be applied to flood assessment measures for urban development and the attained results could be utilised in government planning to raise awareness of flood hazard.
Language eng
DOI 10.3992/jgb.11.3.110.1
Field of Research 120101 Architectural Design
Socio Economic Objective 970112 Expanding Knowledge in Built Environment and Design
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, Journal of Green Publishing
Free to Read? Yes
Persistent URL http://hdl.handle.net/10536/DRO/DU:30090588

Document type: Journal Article
Collections: School of Architecture and Built Environment
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.