| 西藏改则西北部喀湖错把拉湖区13kaBP以来的湖泊沉积与环境演化 |
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| 引用本文： | 牟世勇,贺永忠,朱勋,易成兴,徐安全,赵伟立.西藏改则西北部喀湖错把拉湖区13kaBP以来的湖泊沉积与环境演化[J].地质通报,2007,26(1):94-99. |
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| 作者姓名： | 牟世勇 贺永忠 朱勋 易成兴 徐安全 赵伟立 |
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| 作者单位： | 贵州省地质调查院,贵州,贵阳,550005 |
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| 基金项目： | 中国地质调查局《1：25万丁固幅、加措幅地质调查》项目（编号：200313000014）成果.致谢：本文是贵州省地质调查院西藏项目队的集体劳动成果,在成文过程中得到林树基教授级高级工程师的悉心指导,在此表示感谢. |
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| 摘 要： | 通过对藏北喀湖错把拉湖区湖积剖面的研究,建立了该区13kaBP以来的沉积序列,并将13kaBP以来的气候划分为2个干冷期和2个湿润期。其中2个湿润期和第二旋回的干冷期可分别与北半球第一、二新高温期和第二新冰期大致对比,基本反映了末次冰消期以来全球气候变化的一般规律,青藏高原腹地对于全球气候变化的响应是比较敏锐的。
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| 关 键 词： | 13kaBP以来 湖泊沉积 环境演化 喀湖错 藏北 |
| 文章编号： | 1671-2552（2007）01-0094-06 |
| 收稿时间： | 2006-08-20 |
| 修稿时间： | 2006-10-25 |
Lake deposits and environmental evolution of the Bala lake area, Kahu Co, northwestern G~rz~, Tibet, China, since 13 kaBP |
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| MOU Shi-yong,HE Yong-zhong,ZHU Xun,YI Cheng-xing,XU An-quan,ZHAO Wei-li.Lake deposits and environmental evolution of the Bala lake area, Kahu Co, northwestern G~rz~, Tibet, China, since 13 kaBP[J].Geologcal Bulletin OF China,2007,26(1):94-99. |
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| Authors: | MOU Shi-yong HE Yong-zhong ZHU Xun YI Cheng-xing XU An-quan ZHAO Wei-li |
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| Institution: | Guizhou Institute of Geological Survey, Guiyang 550005, Guizhou, China |
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| Abstract: | The sedimentary sequences since 13 ka BP have been established in the Bala lake area, Kahu Co, northern Tibet, through a study of a lacustrine section. The climate since 13 ka BP may be divided into two dry-cold phases and two moist phases, of which the two moist phases and the dry-cold phase of the second cycle may be broadly correlated with the first and second new Hypsithermal phases and second new glacial phase in the northern hemisphere. This in the main reflects the general regularity of global climatic change since the last deglaciation. The response of the interior of the Qinghai-Tibet Plateau to the global climatic change is relatively sensitive. |
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| Keywords: | since 13 ka BP lake deposits environmental evolution Kahu Co northern Tibet |
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