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首页> 外文期刊>Journal of quaternary science: JQS >Holocene warming marked by abrupt onset of longer summers and reduced storm frequency around Greenland
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Holocene warming marked by abrupt onset of longer summers and reduced storm frequency around Greenland

机译：全新世变暖的特征是较长的夏季突然发作，格陵兰周围的风暴频率降低

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摘要

The abrupt climate shifts identified in Greenland ice cores transformed understanding of the climate system. Although primarily studied in the paleoclimate record, abrupt climate change induced by greenhouse gas rise poses a serious threat to modern humans and ecosystems. We present the first ultra-high-resolution view (hundreds of samples per year) of the abrupt onset (within 1 year) of the current interglacial (warm) climate retrieved from the Greenland Ice Sheet Project Two (GISP2) ice core archive. This abrupt onset is manifested by a marked reduction in storm event frequency and increase in the length of the summer season around Greenland. We apply this metric to the current rapid climatic amelioration in the Arctic as a precursor for future abrupt climate change events.
机译：格陵兰冰芯中发现的突然的气候变化改变了人们对气候系统的理解。尽管主要在古气候记录中进行了研究，但由温室气体上升引起的突然的气候变化对现代人类和生态系统构成了严重威胁。我们提供了从格陵兰冰原计划2（GISP2）冰芯档案库中检索到的当前冰间（暖）气候突然发作（1年内）的第一个超高分辨率视图（每年数百个样本）。这种突然发作的特征是风暴事件发生频率显着降低，格陵兰岛周围的夏季长度增加。我们将此指标应用于北极当前的快速气候改善，作为未来突然的气候变化事件的先兆。

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