The distribution of3He anomalies in the deep Atlantic |
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| Authors: | WS Broecker |
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| Institution: | 1. Lamont-Doherty Geological Observatory of Columbia University, Palisades, N.Y. 10964 U.S.A.;2. Department of Geological Sciences, Columbia University, New York, N.Y. 10027 U.S.A. |
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| Abstract: | The3He/4He results of the Atlantic GEOSECS program are interpreted in terms of a simple mixing model which allows the contribution of the3He-rich southern component of deep water to be separated from that of the3He-poor northern component. The anomalies from the mixing line connecting these components reveal a3He-rich zone over the Mid-Atlantic Ridge 16° south of the equator and one against the North American continental margin off New Jersey at about the same elevation. The origin of the latter feature remains a mystery. |
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