globalchange  > 气候变化事实与影响
DOI: 10.1175/JCLI-D-16-0332.1
Scopus记录号: 2-s2.0-84996757857
论文题名:
Trends and variability in droughts in the Pacific islands and Northeast Australia
作者: McGree S.; Schreider S.; Kuleshov Y.
刊名: Journal of Climate
ISSN: 8948755
出版年: 2016
卷: 29, 期:23
起始页码: 8377
结束页码: 8397
语种: 英语
Scopus关键词: Atmospheric pressure ; Drought ; Nickel ; ENSO ; Intertropical convergence zone ; Pacific decadal oscillation ; Pacific ocean ; Trends ; Climatology
英文摘要: Drought is a recurrent climate feature of the Pacific Islands and northeast Australia with meteorological and socioeconomic impacts documented from early European settlement. In this study, precipitation records for 21 countries and territories in the Pacific for the period 1951 to 2010 have been examined to identify trends in drought occurrence, duration, and magnitude. The strength of the relationships between the main climate drivers in the Pacific-El Niño-Southern Oscillation (ENSO), the interdecadal Pacific oscillation (IPO), and the Pacific decadal oscillation (PDO)-and precipitation has been also examined. Station-scale drought trends are largely positive, but the majority are statistically nonsignificant with the significant trends mainly in the subtropics. Spatially, trend patterns are largely heterogeneous. A significant relationship between the oceanic component of ENSO and precipitation is confirmed for a large part of the Pacific Islands and eastern Australia with a strong lagged relationship in the year after the El Niño onset at locations southwest of the South Pacific convergence zone (SPCZ) and north of the intertropical convergence zone (ITCZ). Similarly, a strong relationship was found with the IPO and PDO at most locations. Drought was found to be longer and more severe southwest of the SPCZ and north of the ITCZ during the positive phases of the IPO and PDO. © 2016 American Meteorological Society.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/50091
Appears in Collections:气候变化事实与影响

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作者单位: School of Science, RMIT University, Melbourne, VIC, Australia; Climate and Oceans Support Program in the Pacific, Climate Information Services, Environment and Research Division, Bureau of Meteorology, Melbourne, VIC, Australia; School of Mathematics and Statistics, The University of Melbourne, Parkville, VIC, Australia; Faculty of Sciences, Engineering and Technology, Swinburne University of Technology, Melbourne, VIC, Australia; Climate Information Services, Environment and Research Division, Bureau of Meteorology, Melbourne, VIC, Australia

Recommended Citation:
McGree S.,Schreider S.,Kuleshov Y.. Trends and variability in droughts in the Pacific islands and Northeast Australia[J]. Journal of Climate,2016-01-01,29(23)
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