| 巢湖悬浮物中稀土元素(REE)的物源精确示踪作用 |
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| 引用本文： | 朱兆洲,刘丛强,王中良,李军,周志华,王仕禄.巢湖悬浮物中稀土元素(REE)的物源精确示踪作用[J].湖泊科学,2006,18(3):267-272. |
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| 作者姓名： | 朱兆洲 刘丛强 王中良 李军 周志华 王仕禄 |
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| 作者单位： | 华东师范大学地理信息科学教育部重点实验室,上海,200062 |
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| 摘 要： | 通过巢湖南灵钻孔(ACN)的植硅体化石的系统研究,划分出六个植硅体组合带．并根据各植硅体组合带主要成分所反映的生态特征,结合主成分分析法(PCA),恢复了该区中全新世以来的古气候与古环境变化:自5600 aBP以来气候划分为3个相对寒冷期(5600-5200 aBP、4600-3600 aBP、2500-2100 aBP)和3个相对温暖时期(5200-4600 aBP、3600-2500 aBP、2100-1800 aBP);并讨论了各个时期巢湖流域的环境变化．
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| 关 键 词： | 巢湖 植硅体 全新世 环境演变 |
| 收稿时间： | 2005-07-04 |
| 修稿时间： | 2005-09-13 |
Rare earth element for tracing the source of suspended particulate matter of Lake Chaohu |
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| ZHU Zhaozhou,LIU Congqiang,WANG Zhongliang,LI Jun,ZHOU Zhihua and WANG Shilu.Rare earth element for tracing the source of suspended particulate matter of Lake Chaohu[J].Journal of Lake Science,2006,18(3):267-272. |
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| Authors: | ZHU Zhaozhou LIU Congqiang WANG Zhongliang LI Jun ZHOU Zhihua and WANG Shilu |
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| Institution: | Key Laboratory of Geographic Information Science of the Ministry of Education, East China Normal University, Shanghai 20062 ,P. R. China |
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| Abstract: | According to systematic research on the phytolith fossils of core Nanlin in the Lake Chaohu, the phytoliths in the area can be divided into six zones. Based on changes in the main components in the phytolith zones and principal components analysis, the evolution of paleoenvironment and paleoclimate since the middle Holocene is reconstructed. There are three cold periods(5600 -5200 aBP,4600 -3600 aBP,2500 -2100 aBP)and three warm periods (5200-4600 aBP,3600 - 2500 aBP,2100 - 1800 aBP)since 5600 aBP . The environment changes of each period in the Lake Chaohu area were discussed compared with other areas. |
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| Keywords: | Lake Chaohu phytolith holocene environment changes |
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