Proceedings of IAHS
Proceedings of IAHS
PIAHS
Articles | Volume 379
Articles | Volume 379
https://doi.org/10.5194/piahs-379-187-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/piahs-379-187-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 379
Pre-conference publication
 | 
05 Jun 2018
Pre-conference publication |  | 05 Jun 2018

Multi-scale fluctuation analysis of precipitation in Beijing by Extreme-point Symmetric Mode Decomposition

Jiqing Li, Zhipeng Duan, and Jing Huang

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Short summary
With the aggravation of the global climate change，using reasonable methods to study changes in precipitation is very important for planning and management of water resources. Based on the time series of precipitation in Beijing from 1951 to 2015, the multi-scale features of precipitation are analyzed by the Extreme-point Symmetric Mode Decomposition (ESMD) method. The results show that the precipitation series have periodic changes of 2.6 years, 4.3 years, 14 years and 21.7 years.
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