Long-chain alkenones and their application study on the paleo-temperature of U<sub>37</sub><sup>k</sup> values in the Arctic Ocean

LU Bing; CHEN Rong-hua; WANG Zi-pan; CHEN Jian-fang; LIU Zhen-sheng

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LU Bing, CHEN Rong-hua, WANG Zi-pan, CHEN Jian-fang, LIU Zhen-sheng. Long-chain alkenones and their application study on the paleo-temperature of U37k values in the Arctic Ocean[J]. Haiyang Xuebao, 2001, 23(5): 49-57.

Citation:

LU Bing, CHEN Rong-hua, WANG Zi-pan, CHEN Jian-fang, LIU Zhen-sheng. Long-chain alkenones and their application study on the paleo-temperature of U₃₇^k values in the Arctic Ocean[J]. Haiyang Xuebao, 2001, 23(5): 49-57.

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Long-chain alkenones and their application study on the paleo-temperature of U₃₇^k values in the Arctic Ocean

Key Lab of Submarine Geoscience, Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China

Received Date: 2000-11-21
Rev Recd Date: 2001-03-29

Abstract

Abstract

Long-chain alkenone compounds have been first detected in surface sediments from the Chukchi Sea and the Bering Sea in the Arctic.The result shows that C_37:3 methy alkenones predominate in the Arctic.Abundances of C₃₇～C₃₉ methy and ethyl alkenones change in or der of C₃₇>C₃₈>C₃₉.The ratio between total abundances of C₃₇ and C₃₈ alkenone(∑C₃₇/∑C₃₈) may indicate the production ratio of alkenones derived from the coceolithophrid (Emiliania huxleyi).Calibration of alkenone unsaturation ratios(U₃₇^k and U₃₇^k') is used to estimate paleotemperature,U₃₇^k-T is used to the indication of SST range from 4.147 to 5.706℃ (average value is 5.092℃).
- Arctic,
- long-chain alkenone,
- U₃₇^k,
- paleotemperature

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References(31)

References

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