SPATIAL AND TEMPORAL DYNAMICS OF URBAN SPRAWL IN THE ROMANIAN PLAIN OVER THE LAST CENTURY
Journal Title: Revue Roumaine de Géographie/Romanian Journal of Geography - Year 2017, Vol 61, Issue 2
Abstract
The current study is a spatial and temporal assessment of urban sprawl dynamics, considered as a key parameter for quantifying urban sprawl. The assessment was carried out in a large geographical unit, i.e. Romanian Plain, located in the southern and south-eastern part of Romania and characterised by favourable natural and socio-economic conditions for urban growth and sprawl over time. The authors carried out an historical evolution of the built-up areas in order to explain urban growth over the past century using different cartographic materials (Austrian maps, 1912 and topographical maps, 1970) and Landsat satellite images (1990, 2002 and 2016). In order to identify and understand the spatial differentiations, the spatial and temporal statistical analysis was performed for four time frames: 1912–1970, 1970–1990, 1990–2002 and 2002–2016. The results were quantified using two indicators able express the magnitude of the built-up areas expansion at each LAU2 level: the Built-up Areas Expansion and the Annual Expansion Rate. Furthermore, in order to detect the geographical expansion trend of the built-up areas, the data on the annual expansion rate were interpolated using the global polynomial function. The spatial analyses revealed significant spatial differences in the urban sprawl process during the analysed intervals in relation to the main triggering factors.
Authors and Affiliations
INES GRIGORESCU, GHEORGHE KUCSICSA
Keywords
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