Analysis of precipitation characteristics in Shanghai based on the visibility graph algorithm

Run-Hua Cao, Zheng-Hong Deng and Ji-Wei Xu

Physica A: Statistical Mechanics and its Applications, 2022, vol. 597, issue C

Abstract: Most of the existing studies on the characteristics of precipitation in Shanghai only focus on the statistical characteristics of the precipitation series rather than the internal dynamic characteristic. The visibility graph algorithm has been proven to be an effective algorithm for grasping the internal dynamics characteristics of time series. Therefore, this paper exploits the visibility graph algorithm to analyze the daily precipitation time series in Shanghai from 2000 to 2020. Some characteristics of precipitation during this period are obtained: Typhoon Mesa and Typhoon Fitow had a profound impact on Shanghai’s precipitation; There is a certain similarity of the precipitation structure in different periods; Only a few nodes in the precipitation network have a profound impact on the precipitation in Shanghai.

Keywords: Complex network; Precipitation time series; Visibility graph; Triadic time series motifs; Sliding time-window (search for similar items in EconPapers)
Date: 2022
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:597:y:2022:i:c:s0378437122002084

DOI: 10.1016/j.physa.2022.127227

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