globalchange  > 过去全球变化的重建
DOI: 10.1007/s00382-013-2006-3
Scopus记录号: 2-s2.0-84894314578
论文题名:
El Niño Modoki connection to extremely-low streamflow of the Paranaíba River in Brazil
作者: Sahu N.; Behera S.K.; Ratnam J.V.; Da Silva R.V.; Parhi P.; Duan W.; Takara K.; Singh R.B.; Yamagata T.
刊名: Climate Dynamics
ISSN: 9307575
出版年: 2014
卷: 42, 期:2017-05-06
起始页码: 1509
结束页码: 1516
语种: 英语
英文关键词: Climate variability ; El Niño Modoki ; ENSO ; Extreme discharge events ; Paranaíba River ; Streamflow
英文摘要: Extremely-low discharge events of the Paranaíba River basin during the austral summer season (December-February, DJF), are found to be associated with the Pacific sea surface temperature anomalies resembling the recently identified El Niño Modoki phenomenon. Extreme discharge events are identified based on their persistent flow for 7 days and more after taking retention time into consideration. Ninety percent of the extremely low discharge events during peak streamflow seasons of DJF, are found to occur during the El Niño Modoki years. A diagnostics study of atmospheric anomalies has shown a clear connection between the modified Walker circulation, associated with the El Niño Modoki, and the precipitation anomalies over the Paranaíba River basin. The climate variations have direct relationship with the rainfall. Streamflow variations are considered as the surrogates to rainfalls. Thus, El Niño Modoki phase is important component to understand and predict the streamflow variations in the Paranaíba River basin. © 2013 Springer-Verlag Berlin Heidelberg.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/54269
Appears in Collections:过去全球变化的重建

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作者单位: Disaster Prevention Research Institute (DPRI), Kyoto University, Gokasho, Uji, Kyoto, 611-0011, Japan; Research Institute for Global Change, JAMSTEC, Yokohama, Japan; Application Laboratory, JAMSTEC, Yokohama, Japan; Environmental Engineering, Federal University of Fronteira Sul, Erechim, Brazil; Earth and Environmental Engineering, Columbia University, New York, NY, United States; Department of Geography, Delhi School of Economics, University of Delhi, Delhi, India

Recommended Citation:
Sahu N.,Behera S.K.,Ratnam J.V.,et al. El Niño Modoki connection to extremely-low streamflow of the Paranaíba River in Brazil[J]. Climate Dynamics,2014-01-01,42(2017-05-06)
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