DBPapers
DOI:10.5593/SGEM2013/BB2.V1/S11.004

ANALYSING SPATIO-TEMPORAL EVOLUTION OF BUILT-UP AREA IN BISTRITA SUBCARPATHIAN VALLEY, ROMANIA USING GIS TECHNIQUES

D. A. Chelaru, A. Ursu, B. Rosca, F. C. Mihai
Monday 5 August 2013 by Libadmin2013

References: 13th SGEM GeoConference on Informatics, Geoinformatics And Remote Sensing, www.sgem.org, SGEM2013 Conference Proceedings, ISBN 978-954-91818-9-0 / ISSN 1314-2704, June 16-22, 2013, Vol. 1, 637 - 644 pp

ABSTRACT

The goal of the study is to develop an appropriate method for analyzing and quantifying the territorial expansion of built-up area in the administrative territory of Bistrița subcarpathian Valley, a well populated region. The area under study has high favorability in terms of housing due to its contact geographical unit position and access to natural resources. Analyzing spatio-temporal dynamics of built-up area is essential for understanding and assessing the consequences of anthropogenic pressure on the environment. The methodology was mainly achieved through GIS techniques, by using relevant cartographic documents covering a period of more than 200 years. As a particular method we created a system of matrices (focalsum) which divide the areas affected by changes into equal size squares in order to highlight the density of these changes. The study was conducted through a systemic approach, aiming to analyze the connections between the territorial expansion and the environmental components which constituted key factors to its dynamics. The results showed a continuous and rapid expansion of built-up area, with different growth patterns depending on the socio-economic factors, which represented the dominant driving factors of this phenomenon.

Keywords: built-up area evolution, anthropogenic pressure, GIS, Bistrița Subcarpathian Valley, Romania

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