globalchange  > 气候减缓与适应
DOI: 10.2166/wcc.2016.040
论文题名:
Wavelet analysis of the complex precipitation series in the Northern Jiansanjiang administration of the heilongjiang land reclamation, China
作者: Liu D.; Fu Q.; Li T.; Hu Y.; Imran K.M.; Abrar F.M.
刊名: Journal of Water and Climate Change
ISSN: 20402244
出版年: 2016
卷: 7, 期:4
起始页码: 796
结束页码: 809
语种: 英语
英文关键词: Complexity ; Period ; Precipitation ; Trend ; Wavelet transform
英文摘要: Due to interference from natural factors and the intensity of human activities, the complex characteristics of the regional precipitation process have become increasingly evident, which creates a challenge for the rational development and utilisation of precipitation resources. In this perspective of complexity diagnosis, the multi-timescale variation characteristics of precipitation were analysed in the Northern Jiansanjiang Administration of Heilongjiang land reclamation, China, by the wavelet analysis method. The results showed that the most complex precipitation series was at Qinglongshan Farm. There are five significant main periods of approximately 2, 3, 4, 9 and 12 years in the seasonal and annual precipitation of Qinglongshan Farm; these periodic variation characteristics are almost identical to the periods of the EI Niño-Southern Oscillation phenomena and sunspot activity, which illustrates that climate change has a major influence on the local precipitation variation characteristics. At the same time, precipitation in summer and autumn has similar periods and a similar variation trend to the annual precipitation at Qinglongshan Farm, which indicates that the local annual precipitation variation characteristics are mainly affected by summer and autumn precipitation variation. In contrast with the harmonic analysis method based on Fourier transform, wavelet analysis has a significant advantage in terms of accurately identifying the main cycle of the hydrological time series. © IWA Publishing 2016.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/67625
Appears in Collections:气候减缓与适应

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作者单位: School of Water Conservancy & Civil Engineering, Northeast Agricultural University, Harbin, Heilongjiang, China; Key Laboratory of Water-Saving Agriculture of Universities in Heilongjiang Province, Northeast Agricultural University, Harbin, Heilongjiang, China; China Heilongjiang Provincial Collaborative Innovation Centre of Grain Production Capacity Improvement, Northeast Agricultural University, Harbin, Heilongjiang, China; China Key Laboratory of High Efficient Utilisation of Agricultural Water Resource of Ministry of Agriculture, Northeast Agricultural University, Harbin, Heilongjiang, China; Jilin Agriculture Science and Technology CollegeJilin, China

Recommended Citation:
Liu D.,Fu Q.,Li T.,et al. Wavelet analysis of the complex precipitation series in the Northern Jiansanjiang administration of the heilongjiang land reclamation, China[J]. Journal of Water and Climate Change,2016-01-01,7(4)
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