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Avoiding the heat island effect in Canberra with living green infrastructure

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3:15 am
February 28, 2018


marea

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posts 451

A new CSIRO report commissioned by the ACT Government identifies Canberra neighbourhoods that are hotter due to the ‘urban heat island effect’.

The report finds that:

  • Canberra’s summer land surface temperatures can be up to 10 C hotter by mid-morning in parts of the city, and up to 8 C hotter than surrounding rural areas at night.
  • Areas that typically experience above-average temperatures on summer mornings include: areas with large surfaces such as rooftops, carparks and paving, commonly found in commercial and industrial areas, major roads and intersections, and new housing developments; areas with low, sparse, dry vegetation; areas with few trees and little irrigation, and some artificial playing surfaces.
  • Areas that typically experience below-average temperatures on summer mornings include: Irrigated areas, water features and lakesides; areas with green vegetation, trees, and forest cover, as well as shady areas. Neighbourhoods with tree canopy shade of 30% or more can be up to 13 C cooler on a hot summer day.
  • Vulnerable groups, including low-income households and the elderly, are more at risk in extreme heat conditions.

The report has been released alongside the Government’s Living Infrastructure Information Paper.

Have your say on the implications of this for the ACT Government's:

 

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Avoiding the heat island effect in Canberra with living green infrastructure

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