GSTDTAP  > 气候变化
DOI10.1002/2017GL073231
No significant difference between Australian heat wave impacts of Modoki and eastern Pacific El Nino
Loughran, Tammas F.1,2; Perkins-Kirkpatrick, Sarah E.1,2; Alexander, Lisa V.1,2; Pitman, Andrew J.1,2
2017-05-28
发表期刊GEOPHYSICAL RESEARCH LETTERS
ISSN0094-8276
EISSN1944-8007
出版年2017
卷号44期号:10
文章类型Article
语种英语
国家Australia
英文摘要

The influence of two El Nino types on the frequency of summer heat wave days in Australia is investigated using both observations and an atmospheric climate model. The two basic spatial variants of El Nino are the traditional warming in the eastern equatorial Pacific (EP) and the Modoki variant that has its largest warming in the central equatorial Pacific. While impacts of Modoki El Nino on Australian precipitation can be quite distinct from EP El Nino, the impact on heat waves is still unknown. Using a set of ensemble simulations, we compare the influence of Modoki and EP sea surface temperature forcing on Australian heat waves. We find that there is minimal difference between the impact of Modoki and EP El Ninos on heat waves over Australia, which implies that future studies on heat wave variability need not differentiate the two.


Plain Language Summary The warm sea surface current in the Pacific called El Nino can affect the climate across the entire planet. El Nino can have its highest temperatures in either the eastern Pacific or the central Pacific. Using computer simulations, we test whether these different types of El Nino can differently affect how often heat waves occur in Australia during summer. We find that there is very little difference between the two types. This means that the results on other studies of the effect of El Nino on heat waves may be reliable despite differences in the ability to accurately simulate both El Nino types.


领域气候变化
收录类别SCI-E
WOS记录号WOS:000404131900091
WOS关键词CLIMATE VARIABILITY ; TEMPERATURE ; EXTREMES ; RAINFALL
WOS类目Geosciences, Multidisciplinary
WOS研究方向Geology
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/27796
专题气候变化
作者单位1.Univ New South Wales, Climate Change Res Ctr, Sydney, NSW, Australia;
2.Univ New South Wales, Australian Res Council Ctr Excellence Climate Sys, Sydney, NSW, Australia
推荐引用方式
GB/T 7714
Loughran, Tammas F.,Perkins-Kirkpatrick, Sarah E.,Alexander, Lisa V.,et al. No significant difference between Australian heat wave impacts of Modoki and eastern Pacific El Nino[J]. GEOPHYSICAL RESEARCH LETTERS,2017,44(10).
APA Loughran, Tammas F.,Perkins-Kirkpatrick, Sarah E.,Alexander, Lisa V.,&Pitman, Andrew J..(2017).No significant difference between Australian heat wave impacts of Modoki and eastern Pacific El Nino.GEOPHYSICAL RESEARCH LETTERS,44(10).
MLA Loughran, Tammas F.,et al."No significant difference between Australian heat wave impacts of Modoki and eastern Pacific El Nino".GEOPHYSICAL RESEARCH LETTERS 44.10(2017).
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