| Paleomagnetism and paleoclimate change in the South China Sea since the late Pleistocene |
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| 作者姓名： | Xidong Chen Douglas F. Williams Yuan Youren Wang Baogui Tang Xianzan Fan Shiqing Liu Zongyang |
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| 作者单位： | University of South Carolina, USA;University of South Carolina, USA;South China Sea Institute of Oceanology, Academia Sinica, Guangzhou 510301, China;South China Sea Institute of Oceanology, Academia Sinica, Guangzhou 510301, China;South China Sea Institute of Oceanology, Academia Sinica, Guangzhou 510301, China;South China Sea Institute of Oceanology, Academia Sinica, Guangzhou 510301, China;South China Sea Institute of Oceanology, Academia Sinica, Guangzhou 510301, China |
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| 摘 要： | Signal processing techniques of cross-correlation, power spectral analysis and cross-power spectral analysis are used to determine the relationships between paleomagnetic properties and the oxygen isotope record of the South China Sea during the late Pleistocene. On the basis of correlation tests between the δ18O time series of cores V3 and A15 with the paleomagnetic properties of core SCS01, five events of susceptibility and intensity of natural remanent magnetization are identified as glacial events corresponding to δ18O positive events. The magnetic properties of the sediments which are independent of the geomagnetic field are sensitive climatic indicators which have frequencies corresponding to the Milankovitch orbital parameters.
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| 收稿时间： | 6/8/1990 12:00:00 AM |
| 修稿时间： | 1991/5/29 0:00:00 |
Paleomagnetism and paleoclimate change in the South China Sea since the late Pleistocene |
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| Xidong Chen,Douglas F. Williams,Yuan Youren,Wang Baogui,Tang Xianzan,Fan Shiqing,Liu Zongyang.Paleomagnetism and paleoclimate change in the South China Sea since the late Pleistocene[J].Acta Oceanologica Sinica,1992,11(4):573-581. |
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| Authors: | Xidong Chen Douglas F Williams Yuan Youren Wang Baogui Tang Xianzan Fan Shiqing and Liu Zongyang |
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| Institution: | 1.University of South Carolina, USA2.South China Sea Institute of Oceanology, Academia Sinica, Guangzhou 510301, China |
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| Abstract: | Signal processing techniques of cross-correlation, power spectral analysis and cross-power spectral analysis are used to determine the relationships between paleomagnetic properties and the oxygen isotope record of the South China Sea during the late Pleistocene. On the basis of correlation tests between the δ18O time series of cores V3 and A15 with the paleomagnetic properties of core SCS01, five events of susceptibility and intensity of natural remanent magnetization are identified as glacial events corresponding to δ18O positive events. The magnetic properties of the sediments which are independent of the geomagnetic field are sensitive climatic indicators which have frequencies corresponding to the Milankovitch orbital parameters. |
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