Urbanwaterscapes Mcgregor 21mar2013
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Transcript of Urbanwaterscapes Mcgregor 21mar2013
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URBAN WATERSCAPES Designing for Adaptive Resilience
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Presentation Outline
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CITY SYSTEMS
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ANTHROPOCENTRIC CITY MODEL
natural capital [water & biodversity] plus waste externalities
have negligible economic value
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WHICH SPECIES BUILDS
THE BEST CITIES?
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TERMITE CITIES ARE PART OF NATURE WHY ARE HUMAN CITIES NOT?
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BIONIC CITY
MODEL city as ecological suprasystem
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METABOLISMS What systems do cities utilise?
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Urban Biotope
BIONIC CITY
MODEL twelve key systems
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CLIMATE CRISIS
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1850s - US First commercial oil extraction
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Global oil supply and demand
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oil products
Crude oil
products
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population increase vs global species extinction vs oil
uptake
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OIL DEPLETION CLIMATE
CRISIS
atmospheric CO2
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Available carbon vs safe maximum carbon emission
limit
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ADAPT
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Australian water consumption 2008-09
14,101 Gigalitres
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Average National Water Footprints [water sourced externally as %]
Data Source: 2011 Mekonnen, M.M. and Hoekstra, A.Y.
(2011) National water footprint accounts:
the green, blue and grey water footprint of
production and consumption, Value of
Water Research Report Series No. 50,
UNESCO-IHE, Delft, the Netherlands.
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Urban Land-Use Ownership
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Water Supply
City
Sewered
City
Drained
City
Waterways
City Water Cycle City Bionic City
Cumulative Cultural Drivers
System Advancement
Water Supply
access & security
Public Health
Protection Flood Protection
Social, amenity
environmental
Protection
Limits on natural
resources
Intergenerational
equity, resilience to
climate change
Supply
Hydraulics
Separate
sewerage
schemes
Drainage
channelisation
Point & diffuse
source pollution
management
Diverse, fit-for-
purpose sources
& conservation,
waterway
protection
Adaptive,
green
infrastructure &
urban design
Data Source: After Brown, Keath and Wong
(2009) Wat. Sci. & Tech. 59:5,
847-855
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RESILIENCE
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The Bionic City model utilises biomimicry to replicate the systems and processes of nature to optimise rather than maximise for increased resilience
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Eum Yang Seoul, South Korea
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Parramatta River Urban Strategy Parramatta, Sydney
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Sa
lt w
ate
r
Fre
sh
wa
ter
Parramatta River City Where the waters meet
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Circular Quay
Parramatta Quay
City Brand
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Railway Station
Parramatta Quay
Civic Plaza
Existing Weir
Existing Wharf
Parramatta North
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Mildura Riverfront Mildura, Australia
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Stormwater from CBD Wetlands Riverfront irrigation
Potable Water
Riverfront development Blackwater treatment
Export to CBD
Non-Potable Water
Excess stormwater
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Honeysuckle Master Plan Newcastle, Australia
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Hellinikon Neopolis Athens, Greece
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Green Square Town Centre Public Domain Sydney, Australia
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06 water
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SHEAS Stream - dry weather
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SHEAS Stream - wet weather
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Ballast Point Park BIRCHGROVE, SYDNEY
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Masterplan
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To tackle these global challenges we established the Biocity Studio. This research vehicle allows us to partner with universities, scientists, industry, NGOs and government to undertake urban sustainability research. We make the findings of this research open source and use it to inform our design work.
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