FRACTAL DIMENSION OF URBAN EXPANSION BASED ON REMOTE SENSING IMAGES
Journal Title: Geographia Napocensis - Year 2012, Vol 0, Issue 2
Abstract
Fractal Dimension of Urban Expansion Based on Remote Sensing Images: In Cluj-Napoca city the process of urbanization has been accelerated during the years and implication of local authorities reflects a relevant planning policy. A good urban planning framework should take into account the society demands and also it should satisfy the natural conditions of local environment. The expansion of antropic areas it can be approached by implication of 5D variables (time as a sequence of stages, space: with x, y, z and magnitude of phenomena) into the process, which will allow us to analyse and extract the roughness of city shape. Thus, to improve the decision factor we take a different approach in this paper, looking at geometry and scale composition. Using the remote sensing (RS) and GIS techniques we manage to extract a sequence of built-up areas (from 1980 to 2012) and used the result as an input for modelling the spatialtemporal changes of urban expansion and fractal theory to analysed the geometric features. Taking the time as a parameter we can observe behaviour and changes in urban landscape, this condition have been known as self-organized – a condition which in first stage the system was without any turbulence (before the antropic factor) and during the time tend to approach chaotic behaviour (entropy state) without causing an disequilibrium in the main system.
Authors and Affiliations
IACOB CIPRIAN, SANDA ROŞCA, DĂNUŢ PETREA, ALEXANDRA BLĂGEANU
Keywords
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