Did Brisbane grow smartly? Drivers of city growth 1991-2001 and lessons for current policies

Shatu, Farjana Mostafiz, Kamruzzaman, Md., & Deilami, Kaveh (2014) Did Brisbane grow smartly? Drivers of city growth 1991-2001 and lessons for current policies. SAGE Open, 4(4).

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Abstract

Urban areas are growing unsustainably around the world; however, the growth patterns and their associated drivers vary between contexts. As a result, research has highlighted the need to adopt case study based approaches to stimulate the development of new theoretic understandings. Using land-cover data sets derived from Landsat images (30 m × 30 m), this research identifies both patterns and drivers of urban growth in a period (1991-2001) when a number of policy acts were enacted aimed at fostering smart growth in Brisbane, Australia. A linear multiple regression model was estimated using the proportion of lands that were converted from non-built-up (1991) to built-up usage (2001) within a suburb as a dependent variable to identify significant drivers of land-cover changes. In addition, the hot spot analysis was conducted to identify spatial biases of land-cover changes, if any. Results show that the built-up areas increased by 1.34% every year. About 19.56% of the non-built-up lands in 1991 were converted into built-up lands in 2001. This conversion pattern was significantly biased in the northernmost and southernmost suburbs in the city. This is due to the fact that, as evident from the regression analysis, these suburbs experienced a higher rate of population growth, and had the availability of habitable green field sites in relatively flat lands. The above findings suggest that the policy interventions undertaken between the periods were not as effective in promoting sustainable changes in the environment as they were aimed for.

Impact and interest:

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ID Code: 77861
Item Type: Journal Article
Refereed: Yes
Additional URLs:
Keywords: sustainable urban growth, exurbanization, drivers of change, spatial biases, land use policy
DOI: 10.1177/2158244014551713
ISSN: 2158-2440
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > GEOMATIC ENGINEERING (090900) > Photogrammetry and Remote Sensing (090905)
Australian and New Zealand Standard Research Classification > BUILT ENVIRONMENT AND DESIGN (120000) > URBAN AND REGIONAL PLANNING (120500) > Land Use and Environmental Planning (120504)
Australian and New Zealand Standard Research Classification > BUILT ENVIRONMENT AND DESIGN (120000) > URBAN AND REGIONAL PLANNING (120500) > Urban Analysis and Development (120507)
Australian and New Zealand Standard Research Classification > STUDIES IN HUMAN SOCIETY (160000) > HUMAN GEOGRAPHY (160400) > Urban and Regional Studies (excl. Planning) (160404)
Australian and New Zealand Standard Research Classification > STUDIES IN HUMAN SOCIETY (160000) > POLICY AND ADMINISTRATION (160500) > Urban Policy (160514)
Divisions: Current > Schools > School of Civil Engineering & Built Environment
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2014 The Author(s)
Copyright Statement: This article is distributed under the terms of the Creative Commons Attribution 3.0 License
Deposited On: 21 Oct 2014 01:16
Last Modified: 02 Feb 2015 00:34

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