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| 重庆金佛山石笋的同位素年龄和古气候信息 | |
| 引用本文： | 王建力,何潇,王昕亚,张美良,林玉石.重庆金佛山石笋的同位素年龄和古气候信息[J].中国岩溶,2005,24(4):265-269. |
| 作者姓名： | 王建力 何潇 王昕亚 张美良 林玉石 |
| 作者单位： | 1. 西南师范大学资源环境科学学院,重庆,400715;西南师范大学三峡库区生态环境教育部重点实验室,重庆,400715 2. 西南师范大学资源环境科学学院,重庆,400715 3. 中国地质科学院岩溶地质研究所岩溶动力学重点实验室,广西桂林,541004 |
| 摘 要： | 对采自重庆金佛山梁天湾洞穴的一根长达295mm的石笋进行了高精度的TIMS-U系定年和碳氧稳定同位素测试分析,初步建立了末次冰期晚期(31.90～15.21 ka B.P.)以来长江中游地区较高分辨率的古气候变化序列.石笋大约从31.90kaB.P.开始沉积,至15.21kaB.P.沉积结束,属于末次冰期晚期的产物,其平均沉积速率为1.77mm/100a.从石笋的氧同位素曲线中明显地检出了Heinrich事件,并且氧同位素曲线与周边地区的石笋记录有着良好的对比关系. |
| 关 键 词： | 石笋 末次冰期 古气候变化 稳定同位素记录 |
| 文章编号： | 1001-4810（2005）04-0265-05 |
| 收稿时间： | 2005-04-27 |
ISOTOPIC AGES AND PALEOCLIMATIC INFORMATION FROM STALAGMITES 0F CHONGQING JINFUSHAN |
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| WANG Jian-li,HE Xiao,WANG Xin-y,ZHANG Mei-liang and LIN Yu-shi.ISOTOPIC AGES AND PALEOCLIMATIC INFORMATION FROM STALAGMITES 0F CHONGQING JINFUSHAN[J].Carsologica Sinica,2005,24(4):265-269. | |
| Authors: | WANG Jian-li HE Xiao WANG Xin-y ZHANG Mei-liang and LIN Yu-shi |
| Institution: | 1.School of Resources & Environmental Sciences, Southwest China Normal University 2.Key Laboratory of Eco -environments in Three Gorges Reservoir Region (Ministry of Education) , Southwest China Normal University 3.Karst Dynamics Laboratory,MRL,1.School of Resources & Environmental Sciences, Southwest China Normal University 2.Key Laboratory of Eco -environments in Three Gorges Reservoir Region (Ministry of Education) , Southwest China Normal University 3.Karst Dynamics Laboratory,MRL,1.School of Resources & Environmental Sciences, Southwest China Normal University 2.Key Laboratory of Eco -environments in Three Gorges Reservoir Region (Ministry of Education) , Southwest China Normal University 3.Karst Dynamics Laboratory,MRL,1.School of Resources & Environmental Sciences, Southwest China Normal University 2.Key Laboratory of Eco -environments in Three Gorges Reservoir Region (Ministry of Education) , Southwest China Normal University 3.Karst Dynamics Laboratory,MRL and 1.School of Resources & Environmental Sciences, Southwest China Normal University 2.Key Laboratory of Eco -environments in Three Gorges Reservoir Region (Ministry of Education) , Southwest China Normal University 3.Karst Dynamics Laboratory,MRL |
| Abstract: | |
| Keywords: | Stalagmite The Last Glacial Epoch Paleoclimatic change Stable isotope record |
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