| Xidong Chen,Douglas F. Williams,Yuan Youren,Wang Baogui,Tang Xianzan,Fan Shiqing,Liu Zongyang. 1992. Paleomagnetism and paleoclimate change in the South China Sea since the late Pleistocene. Acta Oceanologica Sinica, (4):573－581 |
| Paleomagnetism and paleoclimate change in the South China Sea since the late Pleistocene |
| Paleomagnetism and paleoclimate change in the South China Sea since the late Pleistocene |
| Received:June 08, 1990 Revised:May 29, 1991 |
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| Author Name | Affiliation | | Xidong Chen | University of South Carolina, USA | | Douglas F. Williams | University of South Carolina, USA | | Yuan Youren | South China Sea Institute of Oceanology, Academia Sinica, Guangzhou 510301, China | | Wang Baogui | South China Sea Institute of Oceanology, Academia Sinica, Guangzhou 510301, China | | Tang Xianzan | South China Sea Institute of Oceanology, Academia Sinica, Guangzhou 510301, China | | Fan Shiqing | South China Sea Institute of Oceanology, Academia Sinica, Guangzhou 510301, China | | Liu Zongyang | 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. |
| 中文摘要: |
| 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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