Integrating Entropy and Copula Theories for Hydrologic Modeling and Analysis
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Entropy is a measure of uncertainty and has been commonly used for various applications, including probability inferences in hydrology. Copula has been widely used for constructing joint distributions to model the dependence structure of multivariate hydrological random variables. Integration of entropy and copula theories provides new insights in hydrologic modeling and analysis, for which the development and application are still in infancy. Two broad branches of integration of the two concepts, entropy copula and copula entropy, are introduced in this study. On the one hand, the entropy theory can be used to derive new families of copulas based on information content matching. On the other hand, the copula entropy provides attractive alternatives in the nonlinear dependence measurement even in higher dimensions. We introduce in this study the integration of entropy and copula theories in the dependence modeling and analysis to illustrate the potential applications in hydrology and water resources.
DepartmentBiological and Agricultural Engineering (College of Agriculture and Life Sciences)
Hao, Zengchao; Singh, Vijay P. (2015). Integrating Entropy and Copula Theories for Hydrologic Modeling and Analysis. Available electronically from