globalchange  > 科学计划与规划
DOI: 10.1002/2015GL064764
论文题名:
Modern solar maximum forced late twentieth century Greenland cooling
作者: Kobashi T.; Box J.E.; Vinther B.M.; Goto-Azuma K.; Blunier T.; White J.W.C.; Nakaegawa T.; Andresen C.S.
刊名: Geophysical Research Letters
ISSN: 0094-9185
EISSN: 1944-8916
出版年: 2015
卷: 42, 期:14
起始页码: 5992
结束页码: 5999
语种: 英语
英文关键词: Atlantic meridional overturning circulation ; Greenland ; ice core ; paleoclimate ; subpolar North Atlantic ; temperature
Scopus关键词: Greenhouse effect ; Isotopes ; Oceanography ; Solar energy ; Temperature ; Atlantic meridional overturning circulations ; Greenland ; Ice core ; Paleoclimates ; Subpolar North Atlantic ; Ice ; argon isotope ; cooling ; GRIP ; ice core ; meridional circulation ; nitrogen isotope ; Northern Hemisphere ; paleoclimate ; solar activity ; Atlantic Ocean ; Atlantic Ocean (North)
英文摘要: The abrupt Northern Hemispheric warming at the end of the twentieth century has been attributed to an enhanced greenhouse effect. Yet Greenland and surrounding subpolar North Atlantic remained anomalously cold in 1970s to early 1990s. Here we reconstructed robust Greenland temperature records (North Greenland Ice Core Project and Greenland Ice Sheet Project 2) over the past 2100years using argon and nitrogen isotopes in air trapped within ice cores and show that this cold anomaly was part of a recursive pattern of antiphase Greenland temperature responses to solar variability with a possible multidecadal lag. We hypothesize that high solar activity during the modern solar maximum (approximately 1950s-1980s) resulted in a cooling over Greenland and surrounding subpolar North Atlantic through the slowdown of Atlantic Meridional Overturning Circulation with atmospheric feedback processes. © 2015. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84938967752&doi=10.1002%2f2015GL064764&partnerID=40&md5=21c26e09a39b01f10d6eb9b4ef21666d
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/8801
Appears in Collections:科学计划与规划
气候变化与战略

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作者单位: Climate and Environmental Physics, University of Bern, Bern, Switzerland

Recommended Citation:
Kobashi T.,Box J.E.,Vinther B.M.,et al. Modern solar maximum forced late twentieth century Greenland cooling[J]. Geophysical Research Letters,2015-01-01,42(14).
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