Periodicity and Trend Analysis of Precipitation in Multi-Time Scale in Plain Regions of Handan, China

Abstract:

The periodicity and the trend which are the important properties of water resources become more and more variable and complex because of the influence of topography, vegetation and the human activities. Wavelet Analysis which has Multi-resolution Analysis function can provide more detail information of the nonlinear and complex system. The periodicity and the trend of precipitation in different plain regions of Handan are illuminated with Morlet Wavelet Transform in Multi-time scales in this study. It is illustrated that the same periods (5years and 9years) exist in the precipitation in different plain regions of Handan and there are the similar variety and the similar trend in the scale of 5years or 9years in different areas. This study would provide technical support for the integrated management and utilization of water resources of the local region.

• Periodical: Applied Mechanics and Materials (Volumes 29-32)
• Pages: 2739-2744
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.29-32.2739
• Online since: August 2010
• Authors: Qing Hua Luan, Jian Yuan, Zhong Zhuang Ma, Xiao Bo Hao, Tai Bing Wu
• Keywords: Multi-Time Scale, Periodicity, Trend, Wavelet Transform (WT)

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