Abstract
Precipitation is the main sources of subsurface and surface water in the Tianshan Mountains, which play a vital role in the social and economic developments of Xinjiang, China. Researches showed that precipitation in the Tianshan Mountains is largely affected by climate phenomenon. In this paper, Ensemble Empirical Mode Decomposition (EEMD) and wavelet coherence analysis were used to explore the effects of climate teleconnections at annual to multidecadal scales on precipitation in the northern and southern slopes of the Tianshan Mountains. The results show that the annual scale of ISM strongly impacts the precipitation on both northern and southern slopes. The interannual scales of ENSO and NAO mainly affect the precipitation of the northern slope, and ENSO has a greater influence on precipitation than NAO. The influence of the multidecadal scale of the PDO on precipitation of northern and southern slopes are weak.
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Acknowledgement
This paper is supported by Natural Youth Science Foundation of China (61501326, 61401310), the National Natural Science Foundation of China (61731006) and Natural Science Foundation of China (61271411). It also supported by Tianjin Research Program of Application Foundation and Advanced Technology (15JCZDJC31500), Tianjin Natural Science Foundation (18JCZDJC39500), and Tianjin Science Foundation (16JCYBJC16500). This work was also supported by the Tianjin Higher Education Creative Team Funds Program.
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Zhang, B., An, L., Hao, Y., Yeh, TC.J. (2020). Analysis of the Effects of Climate Teleconnections on Precipitation in the Tianshan Mountains Using Time-Frequency Methods. In: Liang, Q., Wang, W., Liu, X., Na, Z., Jia, M., Zhang, B. (eds) Communications, Signal Processing, and Systems. CSPS 2019. Lecture Notes in Electrical Engineering, vol 571. Springer, Singapore. https://doi.org/10.1007/978-981-13-9409-6_195
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DOI: https://doi.org/10.1007/978-981-13-9409-6_195
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