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The spatial pattern of soil sealing along the urban-rural gradient in a Mediterranean region

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  • Luca Salvati

Abstract

This paper explores the spatial distribution of soil sealing in a compact and mono-centric urban region of southern Europe through multivariate statistics and spatial analysis. The study demonstrates how simple indicators developed at the local scale can provide insight in the analysis of urbanisation-driven soil sealing. Based on a high-resolution land-use map, a 'sealing profile' was determined for each municipality of the Athens' urban region, by analysing the distribution of land occupied by 22 classes of imperviousness using a Principal Components Analysis. Four indicators of soil sealing have been developed (percentage of pervious land, per capita sealed land, soil sealing intensity and diversity in soil sealing intensity) and the investigated municipalities classified accordingly. All indicators were found correlated to the distance from the city centre of Athens. Three groups of municipalities (strictly urban, suburban and rural municipalities) have been identified based on the four sealing indicators and the distance from the inner city. Results suggest that the spatial distribution of soil sealing in Athens reflects the transition from a mono-centric and compact urban form to a polycentric and dispersed agglomeration, with implications for urban containment policies.

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  • Luca Salvati, 2014. "The spatial pattern of soil sealing along the urban-rural gradient in a Mediterranean region," Journal of Environmental Planning and Management, Taylor & Francis Journals, vol. 57(6), pages 848-861, June.
    • Handle: RePEc:taf:jenpmg:v:57:y:2014:i:6:p:848-861
    DOI: 10.1080/09640568.2013.770730
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    Cited by:

    1. Luca Salvati & Margherita Carlucci, 2016. "The way towards land consumption: Soil sealing and polycentric development in Barcelona," Urban Studies, Urban Studies Journal Limited, vol. 53(2), pages 418-440, February.
    2. Marcela Prokopová & Ondřej Cudlín & Renata Včeláková & Szabolcs Lengyel & Luca Salvati & Pavel Cudlín, 2018. "Latent Drivers of Landscape Transformation in Eastern Europe: Past, Present and Future," Sustainability, MDPI, vol. 10(8), pages 1-17, August.
    3. Kaveckis Giedrius, 2017. "Greenest Capital of the Baltic States – A Spatial Comparison of Greenery," Baltic Journal of Real Estate Economics and Construction Management, Sciendo, vol. 5(1), pages 160-176, November.
    4. Zambon, Ilaria & Serra, Pere & Grigoriadis, Efstathios & Carlucci, Margherita & Salvati, Luca, 2017. "Emerging urban centrality: An entropy-based indicator of polycentric development and economic growth," Land Use Policy, Elsevier, vol. 68(C), pages 365-371.

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