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Power Law Distribution of Independent Basin Areas in Fluvial Landscapes
  • Dnyanesh Vijay Borse,
  • Basudev Biswal
Dnyanesh Vijay Borse
Indian Institute of Technology Bombay

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Basudev Biswal
India Institute of Technology Bombay
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River networks around the world exhibit statistical scaling laws, including the distribution of independent basin sizes in landscapes. The widespread occurrence of these patterns in various landscapes suggests that there are fundamental, but not yet fully understood, processes responsible for these power law distributions. This study investigates the distribution of independent basin areas across 25 islands worldwide, revealing a clear adherence to a power law pattern. The research suggests that the power law exponent is influenced by landscape boundary characteristics, such as the compactness coefficient and fractal dimension, with the exponent value increasing with these factors. Furthermore, the study demonstrates the development of power law patterns in basin areas using a probabilistic network growth model. This model, based on a preferential headward growth mechanism, underscores the significant roles of boundary conditions and headward growth dynamics in the self-organization of power law patterns in fluvial landscapes.
26 Feb 2024Submitted to ESS Open Archive
28 Feb 2024Published in ESS Open Archive