GLACIAL-INTERGLACIAL CHANGES IN MOISTURE SOURCES FOR GREENLAND - INFLUENCES ON THE ICE CORE RECORD OF CLIMATE

被引：183
|
作者：
CHARLES, CD
RIND, D
JOUZEL, J
KOSTER, RD
FAIRBANKS, RG
机构：
[1] GODDARD INST SPACE STUDIES, NEW YORK, NY 10028 USA
[2] CEA, DSM, CE SACLAY, MODELISAT CLIMAT & ENVIRONNEMENT LAB, F-91191 GIF SUR YVETTE, FRANCE
[3] CNRS, GLACIOL & GEOPHYS ENVIRONNEMENT LAB, F-38402 ST MARTIN DHERES, FRANCE
[4] NASA, GODDARD SPACE FLIGHT CTR, HYDROL SCI BRANCH, GREENBELT, MD 20904 USA
[5] COLUMBIA UNIV, LAMONT DOHERTY GEOL OBSERV, PALISADES, NY 10964 USA
[6] COLUMBIA UNIV, DEPT GEOL SCI, NEW YORK, NY 10025 USA
来源：
SCIENCE | 1994年 / 263卷 / 5146期
关键词：
D O I：
10.1126/science.263.5146.508
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：
Large, abrupt shifts in the O-18/O-16 ratio found in Greenland ice must reflect real features of the climate system variability. These isotopic shifts can be viewed as a result of air temperature fluctuations, but determination of the cause of the changes-the most crucial issue for future climate concerns-requires a detailed understanding of the controls on isotopes in precipitation. Results from general circulation model experiments suggest that the sources of Greenland precipitation varied with different climate states, allowing dynamic atmospheric mechanisms for influencing the ice core isotope shifts.
引用
收藏
页码：508 / 511
页数：4
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