COILING DIRECTION OF GLOBIGERINA PACHYDERMA AS A CLIMATIC INDEX
COILING DIRECTION OF GLOBIGERINA PACHYDERMA AS A CLIMATIC INDEX
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DOI：
10.1126/science.130.3369.219
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发表时间：
1959-01-01
期刊：
影响因子：
56.9
通讯作者：
ERICSON, DB
中科院分区：
文献类型：
--
作者：
ERICSON, DB
浮游有孔虫Globigerina pachyderma右旋和左旋种群的地理分布与海面温度之间存在相互依赖关系。由此推断，北大西洋沉积岩芯低层主要卷曲方向的变化记录了上一次冰期等温线的南移。
An interdependence between the geographical distribution of dextral and sinistral populations of the planktonic foraminifer,Globigerina pachyderma, and sea surface-temperatures is demonstrated. It is inferred that changes in dominant coiling direction at lower levels in sediment cores from the North Atlantic record southward shifts of isotherms during the last ice age.