Hydrology and Earth System Sciences
Hydrology and Earth System Sciences
HESS
Articles | Volume 29, issue 1
Articles | Volume 29, issue 1
https://doi.org/10.5194/hess-29-179-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/hess-29-179-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 29, issue 1
Research article
 | 
15 Jan 2025
Research article |  | 15 Jan 2025

Synchronization frequency analysis and stochastic simulation of multi-site flood flows based on the complicated vine copula structure

Xinting Yu, Yue-Ping Xu, Yuxue Guo, Siwei Chen, and Haiting Gu

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Short summary
This study introduces a new method to simplify complex vine copula structures by reducing dimensionality while retaining essential data. Applied to Shifeng Creek, the vine copula built with this method captured critical spatial–temporal relationships, indicating high synchronization probabilities and flood risks. Notably, it was found that increasing structure complexity does not always improve accuracy. This method offers an efficient tool for analyzing and simulating multi-site flows.
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