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

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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

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WHERE DO WE PLACE THEM?BIOPHYSICAL FACTORS

SLOPE

NATURAL WATERWAYS

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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

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WHERE DO WE PLACE THEM?SOCIO-DEMOGRAPHIC FACTORS

Education level

Environmental awareness

Sense of community

Wealth

What is the causality?

All strongly cross-correlated

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WAY FORWARD

Increased awareness with planners

Development of spatial planning support tools

Promoting the use of these tools

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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