Stable carbon cycle-climate relationship during the late Pleistocene

被引:584
作者
Siegenthaler, U
Stocker, TF
Monnin, E
Lüthi, D
Schwander, J
Stauffer, B
Raynaud, D
Barnola, JM
Fischer, H
Masson-Delmotte, V
Jouzel, J
机构
[1] Univ Bern, Inst Phys, CH-3012 Bern, Switzerland
[2] CNRS, Lab Glaciol & Geophys Environm, F-38402 St Martin Dheres, France
[3] Alfred Wegener Inst Polar & Marine Res, D-27568 Bremerhaven, Germany
[4] Ctr Etud Saclay, Inst Pierre Simon Laplace, Lab Sci Climat & Environm, CEA CNRS 1572, F-91191 Gif Sur Yvette, France
关键词
D O I
10.1126/science.1120130
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
A record of atmospheric carbon dioxide (CO2) concentrations measured on the EPICA (European Project for Ice Coring in Antarctica) Dome Concordia ice core extends the Vostok CO2 record back to 650,000 years before the present (yr B.P.). Before 430,000 yr B.P., partial pressure of atmospheric CO2 lies within the range of 260 and 180 parts per million by volume. This range is almost 30% smaller than that of the last four glacial cycles; however, the apparent sensitivity between deuterium and CO2 remains stable throughout the six glacial cycles, suggesting that the relationship between CO2 and Antarctic climate remained rather constant over this interval.
引用
收藏
页码:1313 / 1317
页数:5
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