Fractal dimension of non-network space of a catchment basin

Sagar, B. S. Daya (2004) Fractal dimension of non-network space of a catchment basin. Geophysical Research Letters, 31 (12). L12502. ISSN 0094-8276

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Official URL: http://dx.doi.org/10.1029/2004GL019749

Abstract

Topographically convex regions within a catchment basin represent varied degrees of hill-slopes. The nonnetwork space ( M), the characterization of which we address in this letter, is akin to the space that is achieved by subtracting channelized portions contributed due to concave regions from the watershed space ( X). This non-network space is similar to non-channelized convex region within a catchment basin. We propose an alternative shape-dependent quantity like fractal dimension to characterize this non-network space. Towards this goal, we decompose the non-network space in two-dimensional discrete space into simple non-overlapping disks (NODs) of various sizes by employing mathematical morphological transformations and certain logical operations. Furthermore, we plot the number of NODs of less than threshold radius against the radius, and compute the shape-dependent fractal dimension of non-network space.

Item Type: Article
Subjects: Q Science > QE Geology
Divisions: Faculty of Engineering and Technology (FET)
Depositing User: Ms Rosnani Abd Wahab
Date Deposited: 19 Aug 2011 06:03
Last Modified: 19 Aug 2011 06:03
URI: http://shdl.mmu.edu.my/id/eprint/2467

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