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The location choice for Water Sensitive Urban Design
A case study of Melbourne, AustraliaMARTIJN KULLER
10 OCTOBER, 2016
2
PONDS & WETLANDS
SWALES
RAINGARDENS & BIOFILTERS
WSUD: PART OF THE URBAN LANDSCAPE
Flood protection Stream health protection Flow attenuation Amenity Ecological value Rainwater harvesting
3
WHERE SHOULD WE PLACE THEM?
WHAT DOES WSUD NEED?
WHERE DO WE NEED WSUD?
REALITY
Bio-physical
Habitat
Cultural/amenity
Provisioning
Regulation
Socio-demographic
Urban form
4
WHERE DO WE PLACE THEM?
Database completion Data cleaning Data collection for independent variables:
- biophysical - urban form- socio-demographic
Two types of analysis:- Exact WSUD location vs random location- Geographic aggregation unit using RW
5
WHERE DO WE PLACE THEM?BIOPHYSICAL FACTORS
SLOPE
NATURAL WATERWAYS
6
WHERE DO WE PLACE THEM?URBAN FORM
0.001 0.01 0.1 10.02
0.08
0.32
1.28
5.12
Education
Floodway
Heavy Industry
Hgh Dns Res
Hgh Dns Trade
Hth. and Cmy.
Light IndustryLow Dns Res
Low Dns Trade
Med Dns Res
Mxd HDR & Cml
Mxd Trd & Ind
Offices
Parks and Garden
Reserves
Road
Svc. and Uty.
Transport
Unclassified
Undeveloped
Very Low Dns Res
Land Uptake (% land coverage)
Den
sity
(sys
tem
s per
km
2)
More WSUD
0.48
0.25
7
WHERE DO WE PLACE THEM?SOCIO-DEMOGRAPHIC FACTORS
Education level
Environmental awareness
Sense of community
Wealth
What is the causality?
All strongly cross-correlated
8
WAY FORWARD
Increased awareness with planners
Development of spatial planning support tools
Promoting the use of these tools
9
ACKNOWLEDGEMENTS
Professor Ana Deletic (Civil Engineering, Monash University)
Dr. Peter Bach (Civil Engineering, Monash University)
Students: Xinwen Shi and Xavier Calgaro
Melbourne Water
Local councils
Royal Botanical Gardens, Melbourne