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| Holocene environmental change according to lake core in Fildes Peninsula of King George Island,Antarctica | |
| 作者姓名： | 李小梅 袁宝印 赵俊琳 |
| 作者单位： | Institute of Environmental Sciences，Fujian Normal University，Institute of Geology and Geophysics，China Academy of Sciences，Institute of Environmental Sciences，Beijing Normal University Fuchou 350007，China，Beijing 100029，China，Beijing 100875，China |
| 摘 要： | Lake core sampled from Xihu in Fildes Peninsula of King Gorge Island, Antarctica could reveal the environmental change of the district. The lake core( GA7) , 9.28 meters long , was sectioned at an interval of 2 cm. Through measuring the organic carbon, magnetic susceptibility, granularity and organic carbon isotope of GA7, by use of 14C age it was estimated that there were four periods of high temperature in Fildes Peninsula; 4800-4400 aB. P. , 3600-3350 aB. P. ,2100 - 1800 aB. P. and 900 aB. P. - present. Meanwhile, results showed that there was a strikingly positive correlation between the content of organic carbon and that of organic carbon isotope (δC01213 ) which could be the substitute indicators of environmental temperature. |
Holocene environmental change according to lake core in Fildes Peninsula of King George Island, Antarctica |
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| Li Xiaomei .Yuan Baoyin,Zhao Junlin Institute of Environmental Sciences,Fujian Normal University,Fwchou ,China Institute of Geology and Geophysics,China Academy of Sciences,Beijing ,China Institute of Environmental Sciences,Beijing Normal University,Beijing ,China.Holocene environmental change according to lake core in Fildes Peninsula of King George Island,Antarctica[J].Chinese Journal of Polar Science,2002,13(2). | |
| Authors: | Li Xiaomei Yuan Baoyin Zhao Junlin Institute of Environmental Sciences Fujian Normal University Fwchou China Institute of Geology and Geophysics China Academy of Sciences Beijing China Institute of Environmental Sciences Beijing Normal University Beijing China |
| Institution: | 1. Institute of Environmental Sciences, Fujian Normal University, Fuzhou 350007, China 2. Institute of Geology and Geophysics, China Academy of Sciences, Beijing 100029, China 3. Institute of Environmental Sciences, Beijing Normal University, Beijing 100875, China |
| Abstract: | Lake core sampled from Xihu in Fildes Peninsula of King Gorge Island, Antarctica could reveal the environmental change of the district. The lake core(GA7) , 9.28 meters long ,was sectioned at an interval of 2 cm. Through measuring the organic carbon, magnetic susceptibility, granularity and organic carbon isotope of GA7, by use of 14C age it was estimated that there were four periods of high temperature in Fildes Peninsula: 4800-4400 aB.P., 3600-3350 aB.P.,2100-1800 aB.P. and 900 aB.P. - present. Meanwhile, results showed that there was a strikingly positive correlation between the content of organic carbon and that of organic carbon isotope(δC13org) which could be the substitute indicators of environmental temperature. |
| Keywords: | Antarctica Holocene environmental change |
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