Decadal–Interdecadal Climate Variability over Antarctica and Linkages to the Tropics: Analysis of Ice Core, Instrumental, and Tropical Proxy Data
Decadal–Interdecadal Climate Variability over Antarctica and Linkages to the Tropics: Analysis of Ice Core, Instrumental, and Tropical Proxy Data
复制标题
南极洲年代际-年代际气候变率及其与热带的联系：冰芯、仪器和热带代理数据分析
DOI：
10.1175/jcli-d-12-00050.1
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发表时间：
2012
影响因子：
4.9
通讯作者：
R. Wilson
中科院分区：
文献类型：
--
作者：
Y. Okumura;D. Schneider;C. Deser;R. Wilson
摘要南极大陆拥有全球大部分的冰量，在气候变化中起着重要作用。然而，由于缺乏长期、可靠的气象观测，人们对南极气候变化的性质和原因了解甚少，无法超越年际时间尺度。这项研究分析了南极洲的十年-十年间气候变率，使用每年解决的冰芯记录和各种仪器和热带代理数据的19世纪和20世纪的网络。在20世纪世纪，南极冰芯记录表明，在十年-十年间时间尺度上，南极冰芯与热带太平洋和大西洋的海表温度变化有着密切的联系。从冰芯推断的南极表面温度异常与大气环流和热平流的相关变化一致。一组大气环流模式试验结果支持热带海温年代际变化是一个长期变化过程的观点。
AbstractThe Antarctic continent contains the majority of the global ice volume and plays an important role in a changing climate. The nature and causes of Antarctic climate variability are, however, poorly understood beyond interannual time scales due to the paucity of long, reliable meteorological observations. This study analyzes decadal–interdecadal climate variability over Antarctica using a network of annually resolved ice core records and various instrumental and tropical proxy data for the nineteenth and twentieth centuries. During the twentieth century, Antarctic ice core records indicate strong linkages to sea surface temperature (SST) variations in the tropical Pacific and Atlantic on decadal–interdecadal time scales. Antarctic surface temperature anomalies inferred from the ice cores are consistent with the associated changes in atmospheric circulation and thermal advection. A set of atmospheric general circulation model experiments supports the idea that decadal SST variations in the tropics f...
影响因子：
18.3
作者：
Rignot, Eric;Bamber, Jonathan L.;Van Meijgaard, Erik
通讯作者：
Van Meijgaard, Erik