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Measuring Urban Sprawl, Coalescence, and Dispersal: A Case Study of Pordenone, Italy

Author

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  • Federico Martellozzo

    (Department of Geography, McGill University, 805 Sherbrooke Street West, Montreal, Quebec H3A 2K6, Canada)

  • Keith C Clarke

    (Department of Geography, 1832 Ellison Hall, University of California Santa Barbara, Santa Barbara, CA 93106-4060, USA)

Abstract

A critical challenge of global change is managing the uncontrolled spread of cities into their surrounding rural and other land. The phenomenon of urban ‘sprawl’ is well known, but it remains controversial because there are no universal definitions about its etiology, nor of the causes and variables related to it. The goal of this study is to depict the temporal trend of sprawl, so as to identify a ‘sprawl signature’ and its evolution for the Italian Province of Pordenone focusing exclusively on spatial dispersion features. Data were compiled from multitemporal remote sensing and used to delimit urban expansion over time. We aim to describe the spatiotemporal patterns associated with urban sprawl using the perspective of the cyclical urban growth theory and focusing on measures that can detect the degree of spatial dispersion during time related to sprawl both in past and projected urban forms. Exactly how the spatiotemporal patterns of urban growth are identified is crucial for urban planners, as knowledge of them allows more efficient calibration of policies to control land-use change in order to satisfy specific needs of the population and prevent the risks and costs related to sprawl.

Suggested Citation

  • Federico Martellozzo & Keith C Clarke, 2011. "Measuring Urban Sprawl, Coalescence, and Dispersal: A Case Study of Pordenone, Italy," Environment and Planning B, , vol. 38(6), pages 1085-1104, December.
    • Handle: RePEc:sae:envirb:v:38:y:2011:i:6:p:1085-1104
    DOI: 10.1068/b36090
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    References listed on IDEAS

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    1. Karlström, Anders & Ceccato, Vania, 2000. "A new information theoretical measure of global and local spatial association," MPRA Paper 6848, University Library of Munich, Germany.
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    Cited by:

    1. Haidong Yu & Yong Liu & Juanjuan Zhao & Gen Li, 2019. "Urban Total Factor Productivity: Does Urban Spatial Structure Matter in China?," Sustainability, MDPI, vol. 12(1), pages 1-18, December.
    2. Achim Ahrens & Seán Lyons, 2019. "Changes in Land Cover and Urban Sprawl in Ireland From a Comparative Perspective Over 1990–2012," Land, MDPI, vol. 8(1), pages 1-14, January.
    3. Claudia Cosentino & Federico Amato & Beniamino Murgante, 2018. "Population-Based Simulation of Urban Growth: The Italian Case Study," Sustainability, MDPI, vol. 10(12), pages 1-21, December.

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