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Evidence for the effect of sunspot activity on the El Nino/Southern Oscillation
Zhai Q(翟倩)1,2,3,4
Source PublicationNEW ASTRONOMY
2017-04-01
Volume52Pages:1-7
DOI10.1016/j.newast.2016.09.004
Contribution Rank第1完成单位
Indexed BySCI
KeywordSunspot Number Enso
Abstract

The El Nino No. 3 area index (5 degrees S similar to 5 degrees N, 150 degrees W similar to 90 degrees W) and yearly sunspot number (SSN) from 1408 to 1978 are used to investigate the influence of solar activity on the El Nino/Southern Oscillation (ENSO), through periodicity analysis, cross wavelet transform (XWT), cross correlation and ensemble empirical mode decomposition (EEMD) analyses. The solar activity period, the Hale period, and the Gleissberg period are determined in the El Nino index time series, but of weak statistical significance. Cross correlation analysis of the index with SSN, and that of its low-frequency components decomposed by EEMD clearly indicate that solar activity may take effect on the ENSO, and such an impact should undergo an accumulation procedure (phase delay). XWT also indicates the existence of the impact. It is found that the index is negatively correlated with SSN when SSN is large during a certain long-term interval, and positively when SSN is small. Strong El Nino is inferred to be taken place in decade(s) to come. (C) 2016 Elsevier B.V. All rights reserved.

Funding ProjectNational Natural Science Foundation of China[11573065] ; National Natural Science Foundation of China[11633008] ; National Natural Science Foundation of China[11273057] ; 973 program[2012CB957801] ; Specialized Research Fund for State Key Laboratories ; Chinese Academy of Sciences
Funding OrganizationNational Natural Science Foundation of China[11573065, 11633008, 11273057] ; 973 program[2012CB957801] ; Specialized Research Fund for State Key Laboratories ; Chinese Academy of Sciences
Language英语
Subject Area天文学 ; 太阳与太阳系 ; 太阳物理学
MOST Discipline Catalogue理学 ; 理学::天文学
SubtypeArticle
PublisherELSEVIER SCIENCE BV
Publication PlacePO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
ISSN1384-1076
URL查看原文
Archive Date2016-10-11
WOS IDWOS:000390514400001
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS Keyword11-YEAR SOLAR-CYCLE ; DECADAL TIMESCALES ; PACIFIC CLIMATE ; NINO ; TEMPERATURE ; VARIABILITY ; ENSO ; MODULATION ; ATMOSPHERE ; MONSOON
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Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/9846
Collection太阳物理研究组
Corresponding AuthorZhai Q(翟倩)
Affiliation1.Yunnan Observatories, Chinese Academy of Sciences, Kunming, China
2.University of Chinese Academy of Sciences, Beijing, China
3.Key Laboratory of Solar Activity, National Astronomical Observatories, Chinese Academy of Sciences, Beijing, China
4.State Key Laboratory of Space Weather, Chinese Academy of Sciences, Beijing, China
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Corresponding Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Zhai Q. Evidence for the effect of sunspot activity on the El Nino/Southern Oscillation[J]. NEW ASTRONOMY,2017,52:1-7.
APA Zhai Q.(2017).Evidence for the effect of sunspot activity on the El Nino/Southern Oscillation.NEW ASTRONOMY,52,1-7.
MLA Zhai Q."Evidence for the effect of sunspot activity on the El Nino/Southern Oscillation".NEW ASTRONOMY 52(2017):1-7.
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