| 新疆玛纳斯湖近50年来的变迁 |
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| 引用本文： | 姚永慧,汪小钦,周成虎,徐美,张百平,励惠国.新疆玛纳斯湖近50年来的变迁[J].水科学进展,2007,18(1):17-23. |
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| 作者姓名： | 姚永慧 汪小钦 周成虎 徐美 张百平 励惠国 |
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| 作者单位： | 1.中国科学院地理科学与资源研究所资源与环境信息系统国家重点实验室, 北京, 100101; |
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| 基金项目： | 国家自然科学基金;国家自然科学基金 |
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| 摘 要： | 利用近30年来共8期覆盖新疆玛纳斯湖地区的遥感影像(1972MSS、1976MSS、1989TM、1999ETM、2000CBERS、2001CBERS、2003CBERS和2004CBERS),最新实测的精度达到1 m分辨率的地形等高线数据、野外测量数据,结合20世纪50年代野外实地调查资料等前人研究成果,对玛纳斯湖及周围湖泊演化进行了分析。结果表明:①玛纳斯湖并非迁移湖泊而是古玛纳斯湖群的一部分;玛纳斯湖及周围湖泊自第四纪中期以来一直处于萎缩消亡状态,新构造运动使古玛纳斯湖群萎缩分裂后,残留的各小湖泊在近现代也相继萎缩、消亡;②近50年来湖泊演化可分为两个阶段:湖泊萎缩、干涸的逆向演化阶段(1949-1999/2001)和湖泊恢复的正向演化阶段(1999/2001-至今),人类活动与气候变化的叠加是湖泊演化的主要驱动力。
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| 关 键 词： | 玛纳斯湖 湖泊演化 遥感 新疆 |
| 文章编号： | 1001-6791（2007）01-0017-07 |
| 收稿时间： | 2005-08-29 |
| 修稿时间： | 2006-01-11 |
Changes of Manas lake in the past 50 years in Xinjiang province |
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| YAO Yong-hui,WANG Xiao-qin,ZHOU Cheng-hu,XU Mei,ZHANG Bai-ping,LI Hui-guo.Changes of Manas lake in the past 50 years in Xinjiang province[J].Advances in Water Science,2007,18(1):17-23. |
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| Authors: | YAO Yong-hui WANG Xiao-qin ZHOU Cheng-hu XU Mei ZHANG Bai-ping LI Hui-guo |
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| Institution: | 1.Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing 100101, China;2.Fuzhou University, Fuzhou 350002, China;3.China Institute of Water Resources and Hydropower Research, Beijing 100044, China |
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| Abstract: | The changes of water resources and theirs influence on environment are key points for arid researches.This paper mainly focuses on the evolvement of Manas lake in Xinjiang,which is based on the remote sensing images from 1972 to 2004 integrated with measured topographical data in 1999 and other materials from 1950s.The results of this research show that(1) Manas lake is a part of old Manas lake group and it is not a migratory lake;(2) there are two periods of the lake evolvement in the past 50 years: from 1949 to 1999/2001 and from 1999/2001 to nowadays,which are respectively corresponding to negative and passive evolvement process of Manas lake;(3) the trend of Lake change is synchronous to the change of Manas(river's) runoff;and(4) the main driving forces for the lake evolvement in the past 50 years are human activities and climate change. |
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| Keywords: | Manas lake lake evolvement remote sensing Xinjiang |
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