Introducing green infrastructure into the built environment of Adelaide

سال
: 2012
چکیده: Adelaide is the capital city of the driest state in Australia and it currently faces three major

challenges, namely urbanisation growth, water scarcity and climate change. The

consequence of these threats puts more stress on the urban water cycle and increases

metropolitan temperatures through urban heat island effects. Introducing green infrastructure

through water sensitive urban design is one of the solutions to reduce the harmful impacts of

urbanisation while providing additional amenity and water quality benefits for communities

and the environment.

This paper describes the results of a current research project that is investigating the water

quantity and thermal benefits of two different types of green roofs, namely intensive and

extensive. The study site consists of a series of small scale green roofs located at the

University of South Australia’s Mawson Lakes campus. Laboratory and field investigations of

rainfall and runoff confirm that green roofs can retain significant amounts of stormwater and

can also mitigate the peak flow and attenuate the time of concentration. The thermal benefits

of green roofs have also been investigated through two scenarios of cold and warm days.

The outcomes indicate that the thermal variation of the media is less than surrounding areas

and on cold days the media’s temperature is warmer than outside and on warm days it is

cooler. Integrating green roofs into the built environments of Adelaide could work as a

climate change adaption tool that could yield significant thermal benefits.
کلیدواژه(گان): Green roof,Water Sensitive Urban Design (WSUD),Urban Heat Island (UHI)
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