globalchange  > 气候减缓与适应
DOI: 10.1038/ngeo1985
论文题名:
Two-phase change in CO 2, Antarctic temperature and global climate during Termination II
作者: Landais A.; Dreyfus G.; Capron E.; Jouzel J.; Masson-Delmotte V.; Roche D.M.; Prié F.; Caillon N.; Chappellaz J.; Leuenberger M.; Lourantou A.; Parrenin F.; Raynaud D.; Teste G.
刊名: Nature Geoscience
ISSN: 17520894
出版年: 2013
卷: 6, 期:12
起始页码: 1062
结束页码: 1065
语种: 英语
Scopus关键词: air bubble ; carbon dioxide ; carbon sink ; concentration (composition) ; cooling ; glacial-interglacial cycle ; global climate ; hydrological cycle ; isotopic composition ; Last Glacial Maximum ; Northern Hemisphere ; paleoclimate ; proxy climate record ; Southern Hemisphere ; Antarctica
英文摘要: The end of the Last Glacial Maximum (Termination I), roughly 20 thousand years ago (ka), was marked by cooling in the Northern Hemisphere, a weakening of the Asian monsoon, a rise in atmospheric CO 2 concentrations and warming over Antarctica. The sequence of events associated with the previous glacial-interglacial transition (Termination II), roughly 136 ka, is less well constrained. Here we present high-resolution records of atmospheric CO 2 concentrations and isotopic composition of N 2 - an atmospheric temperature proxy - from air bubbles in the EPICA Dome C ice core that span Termination II. We find that atmospheric CO 2 concentrations and Antarctic temperature started increasing in phase around 136 ka, but in a second phase of Termination II, from 130.5 to 129 ka, the rise in atmospheric CO 2 concentrations lagged that of Antarctic temperature unequivocally. We suggest that during this second phase, the intensification of the low-latitude hydrological cycle resulted in the development of a CO 2 sink, which counteracted the CO 2 outgassing from the Southern Hemisphere oceans over this period. © 2013 Macmillan Publishers Limited.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/106647
Appears in Collections:气候减缓与适应
科学计划与规划

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作者单位: Institut Pierre-Simon Laplace, Laboratoire des Sciences du Climat et de l'Environnement, UMR 8212, CEA-CNRS-UVSQ, 91191 Gif-sur-Yvette, France; Department of Geosciences, Princeton University, Princeton, NJ 08540, United States; British Antarctic Survey, High Cross, Madingley Road, Cambridge CB3 0ET, United Kingdom; Earth and Climate Cluster, Faculty of Earth and Life Sciences, Vrije Universiteit Amsterdam, 1081 HV Amsterdam, Netherlands; UJF - Grenoble 1 / CNRS, Laboratoire de Glaciologie et Géophysique de l'Environnement (LGGE), UMR 5183, Grenoble F-38041, France; Climate and Environmental Physics, Physics Institute, and Oeschger Centre for Climate Change Research, University of Bern, Sidlerstrasse 5, CH-3012 Bern, Switzerland

Recommended Citation:
Landais A.,Dreyfus G.,Capron E.,et al. Two-phase change in CO 2, Antarctic temperature and global climate during Termination II[J]. Nature Geoscience,2013-01-01,6(12)
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