A simple scheme for the evolution of a fluvial landscape in heterogeneous environments is critically examined to capture the essential mechanism responsible for the recurrent scale-free landforms in the river basin. It is shown that, regardless of boundary and initial conditions, geomorphological constraints in the form of quenched randomly pinned regions play a key role in the robust emergence of aggregation patterns with a scaling behavior in agreement with that of real river basins.
Randomly pinned landscape evolution / Caldarelli, G; Giacometti, A; Maritan, A; Rodrigueziturbe, I; Rinaldo, A. - In: PHYSICAL REVIEW E. - ISSN 1063-651X. - 55:5(1997), pp. R4865-R4868.
Randomly pinned landscape evolution
Caldarelli G;
1997
Abstract
A simple scheme for the evolution of a fluvial landscape in heterogeneous environments is critically examined to capture the essential mechanism responsible for the recurrent scale-free landforms in the river basin. It is shown that, regardless of boundary and initial conditions, geomorphological constraints in the form of quenched randomly pinned regions play a key role in the robust emergence of aggregation patterns with a scaling behavior in agreement with that of real river basins.| File | Dimensione | Formato | |
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