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首页> 外文期刊>Journal of Asian earth sciences >Divergent influences of the Greenland and Antarctica climates on the Asian monsoon during a stadial to interstadial cycle
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Divergent influences of the Greenland and Antarctica climates on the Asian monsoon during a stadial to interstadial cycle

机译：从格状到星际周期，格陵兰和南极洲气候对亚洲季风的影响不同

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摘要

Despite the links of Asian monsoon with climates at high northern and southern latitudes, it remains unclear that at which time and to what extent the Asian monsoon variation is dominated by one of the two drivers throughout a Greenland Stadial (GS) to Greenland Interstadial (GI) cycle. Here we provide a Chinese stalagmite delta O-18 record to study their teleconnections throughout the GS-6 to GI-5.2 cycle. The resemblance between the stalagmite and Greenland records, in timing, duration and abruptness of GI-5.2, supports that the occurrence and termination of GIs are paced by the northern driving force. During the intervals of GI-5.2 and GS-6, however, the Asian monsoon fluctuated concomitantly with variation in temperature over Antarctica, instead of over Greenland. This covariation indicates dominant influences of the Antarctic climate during the climatically stable intervals of stadials and interstadials. This study updates our knowledge on mechanical dynamics of the Asian monsoon change and global climate change throughout a GS to GI cycle.
机译：尽管亚洲季风与北部和南部高纬度地区的气候有联系，但仍不清楚在哪个时间和程度上，亚洲季风变化由格陵兰标准（GS）到格陵兰际标准（GI）的两个驱动因素之一主导）循环。在这里，我们提供了中国石笋三角洲O-18记录，以研究它们在GS-6至GI-5.2周期中的遥相关性。在GI-5.2的时间，持续时间和突变性方面，石笋和格陵兰记录之间的相似性支持GI的发生和终止取决于北方驱动力。然而，在GI-5.2和GS-6的间隔期间，亚洲季风伴随南极洲而不是格陵兰岛的温度变化而波动。这种协变表明在南极气候的稳定期和陆间期稳定的间隔期间。这项研究更新了我们从GS到GI周期的亚洲季风变化和全球气候变化的力学动力学知识。

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