SEASONAL OXYGEN ISOTOPIC VARIATIONS IN LIVING PLANKTONIC-FORAMINIFERA OFF BERMUDA

被引:77
作者
WILLIAMS, DF
BE, AWH
FAIRBANKS, RG
机构
[1] COLUMBIA UNIV,LAMONT DOHERTY GEOL OBSERV,PALISADES,NY 10964
[2] UNIV S CAROLINA,BELLE W BARUCH INST,COLUMBIA,SC 29208
关键词
D O I
10.1126/science.206.4417.447
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
Seasonal variations in the oxygen-18/oxygen-16 ratio of calcite shells of living planktonic foraminifera in the Sargasso Sea off Bermuda are a direct function of surface water temperature. Seasonal occurrence as well as depth habitat are determining factors in the oxygen isotopic composition of planktonic foraminifera. These relationships may be used to determine the seasonal temperature contrast of oceans in the past. Copyright © 1979 AAAS.
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页码:447 / 449
页数:3
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