Randomly pinned landscape evolution

被引:33
|
作者
Caldarelli, G
Giacometti, A
Maritan, A
Rodriguez-Iturbe, I
Rinaldo, A
机构
[1] IST NAZL FIS NUCL, I-34013 TRIESTE, ITALY
[2] TEXAS A&M UNIV, DEPT CIVIL ENGN, COLLEGE STN, TX 77843 USA
[3] UNIV PADUA, IST IDRAUL G POLENI, I-35131 PADUA, ITALY
关键词
D O I
10.1103/PhysRevE.55.R4865
中图分类号
O35 [流体力学]; O53 [等离子体物理学];
学科分类号
070204 ; 080103 ; 080704 ;
摘要
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.
引用
收藏
页码:R4865 / R4868
页数:4
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