分形雨分布与混沌平流
Fractal rain distributions and chaotic advection
摘要：
几十年来，局部降雨事件都遵循幂律分布，这表明降水和地震活动之间存在相似之处[O。Peters等人，PRL 88，018701（2002）]。把雨滴看作由二维点涡系统的速度场平流输送的被动示踪物，可以产生类似的幂律律[R。Dickman，PRL 90，108701（2003）]。在这里，我回顾分形雨分布和混沌平流的观测和理论方面，并提出新的结果示踪剂分布在涡模型。
英文摘要：
Localized rain events have been found to follow power-law distributions over several decades, suggesting parallels between precipitation and seismic activity [O. Peters et al., PRL 88, 018701 (2002)]. Similar power laws can be generated by treating raindrops as passive tracers advected by the velocity field of a two-dimensional system of point vortices [R. Dickman, PRL 90, 108701 (2003)]. Here I review observational and theoretical aspects of fractal rain distributions and chaotic advection, and present new results on tracer distributions in the vortex model.
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