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Open Access item Small-scale structure of nonlinearly interacting species advected by chaotic flows

Authors:Hernández-García, Emilio
López, Cristóbal
Neufeld, Zoltan
Issue Date:20-May-2002
Publisher:American Institute of Physics
Citation:Chaos 12(2): 470-480 (2002)
Abstract:We study the spatial patterns formed by interacting biological populations or reacting chemicals under the influence of chaotic flows. Multiple species and nonlinear interactions are explicitly considered, as well as cases of smooth and nonsmooth forcing sources. The small-scale structure can be obtained in terms of characteristic Lyapunov exponents of the flow and of the chemical dynamics. Different kinds of morphological transitions are identified. Numerical results from a three-component plankton dynamics model support the theory, and they serve also to illustrate the influence of asymmetric couplings.
Description:ArXiv pre-print: http://arxiv.org/abs/nlin/0111033
11 pages, 6 figures.
Publisher version (URL):http://dx.doi.org/10.1063/1.1468248
URI:http://hdl.handle.net/10261/18025
ISSN:1054-1500
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