North Atlantic oscillation dynamics recorded in Greenland ice cores

被引：237

作者：

Appenzeller, C

Stocker, TF

Anklin, M

机构：

[1] Univ Bern, CH-3012 Bern, Switzerland

[2] Univ Arizona, Dept Hydrol & Water Resources, Tucson, AZ 85721 USA

来源：

SCIENCE | 1998年 / 282卷 / 5388期

关键词：

D O I：

10.1126/science.282.5388.446

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Carefully selected ice core data from Greenland can be used to reconstruct an annual proxy North Atlantic oscillation (NAO) index. This index for the past 350 years indicates that the NAO is an intermittent climate oscillation with temporally active (coherent) and passive (incoherent) phases. No indication for a single, ;persistent, multiannual NAO frequency is found. In active phases, most of the energy is located in the frequency band with periods less than about 15 years. In addition, variability on time scales of 80 to 90 years has been observed since the mid-19th century.

引用

页码：446 / 449

页数：4

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