DBPapers
DOI: 10.5593/SGEM2014/B21/S8.079

FRACTAL ANALYSIS APPLICATION TO THE FLOODPLAIN-CHANNEL SYSTEMS DEVELOPMENT RESEARCH (BY THE EXAMPLE OF THE RIVER BELAYA, REPUBLIC OF BASHKORTOSTAN)

N. Krasnogorskaya, E . Nafikova, E. Belozerova
Wednesday 1 October 2014 by Libadmin2014

References: 14th International Multidisciplinary Scientific GeoConference SGEM 2014, www.sgem.org, SGEM2014 Conference Proceedings, ISBN 978-619-7105-10-0 / ISSN 1314-2704, June 19-25, 2014, Book 2, Vol. 1, 613-620 pp

ABSTRACT
The article is devoted to the analysis of the investigation problem of floodplain-channel systems development. It has been found that the study of the natural objects evolution is complicated by comparing data of different map types (classical topological and modern GIS maps). In this regard, for the river Belaya floodplain-channel system research the fractal analysis was applied. At present, this type of analysis has found widespread application in the branched structures investigations (river networks, complexes of lakes and wetlands). In this paper the fractal dimensions of the river Belaya floodplainchannel system and its inflows were calculated according to the data of 1992 and 2009 for three scales (1: 1865306; 1: 3000000; 1: 6000000). The comparison of the obtained fractal dimensions permits to estimate structural changes in the considered floodplainchannel system. Thus, during the analyzed period there was revealed a trend of the fractal dimension reducing at all examined scales. That shows the floodplain meandering decrease and the reduction of its earth’s surface occupancy.

Keywords: fractal analysis, fractal dimension, floodplain-channel system.

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