globalchange  > 气候减缓与适应
DOI: 10.1002/2014GL061019
论文题名:
Deep ocean early warning signals of an Atlantic MOC collapse
作者: Feng Q.Y.; Viebahn J.P.; Dijkstra H.A.
刊名: Geophysical Research Letters
ISSN: 0094-9832
EISSN: 1944-9563
出版年: 2014
卷: 41, 期:16
起始页码: 6008
结束页码: 6014
语种: 英语
Scopus关键词: Complex networks ; Atlantic meridional overturning circulations ; Deep-ocean circulation ; Early warning indicators ; Network reconstruction ; Optimal locations ; Short time series ; Spatial coherence ; Spatial resolution ; Oceanography ; climate modeling ; climate prediction ; deep sea ; early warning system ; meridional circulation ; time series ; Atlantic Ocean
英文摘要: A future collapse of the Atlantic Meridional Overturning Circulation (MOC) has been identified as one of the most dangerous tipping points in the climate system. It is therefore crucial to develop early warning indicators for such a potential collapse based on relatively short time series. So far, attempts to use indicators based on critical slowdown have been marginally successful. Based on complex climate network reconstruction, we here present a promising new indicator for the MOC collapse that efficiently monitors spatial changes in deep ocean circulation. Through our analysis of the performance of this indicator, we formulate optimal locations of measurement of the MOC to provide early warning signals of a collapse. Our results imply that an increase in spatial resolution of the Atlantic MOC observations (i.e., at more sections) can improve early detection, because the spatial coherence in the deep ocean arising near the transition is better captured. © 2014. American Geophysical Union.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84906302140&doi=10.1002%2f2014GL061019&partnerID=40&md5=cd7437c2bde35434f4978449b8817d5f
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/7096
Appears in Collections:气候减缓与适应

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作者单位: Institute for Marine and Atmospheric Research Utrecht, Department of Physics and Astronomy, Utrecht University, Utrecht, Netherlands

Recommended Citation:
Feng Q.Y.,Viebahn J.P.,Dijkstra H.A.. Deep ocean early warning signals of an Atlantic MOC collapse[J]. Geophysical Research Letters,2014-01-01,41(16).
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