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引用本文:朱金峰,王乃昂,李卓仑,董春雨,陆莹,马宁.巴丹吉林沙漠湖泊季节变化的遥感监测.湖泊科学,2011,23(4):657-664. DOI:10.18307/2011.0424
ZHU Jinfeng,WANG Naiang,LI Zhuolun,DONG Chunyu,LU Ying,MA Ning.RS-based monitoring seasonal changes of lake in Badain Jaran Desert. J. Lake Sci.2011,23(4):657-664. DOI:10.18307/2011.0424
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巴丹吉林沙漠湖泊季节变化的遥感监测
朱金峰1,2, 王乃昂1,2, 李卓仑1,2, 董春雨1,2, 陆莹1,2, 马宁1,2
1.兰州大学资源环境学院, 兰州 730000;2.兰州大学干旱区水循环与水资源研究中心, 兰州 730000
摘要:
利用2001年12月28日、2002年3月18日、7月24日、9月26日、12月15日五期ETM+遥感影像, 提取了巴丹吉林沙漠湖泊年内季节变化信息, 并分析了湖泊季节变化的统计特征与空间分布特征.结果显示, 巴丹吉林沙漠湖泊总面积和数量随季节更替呈现出明显的统计特征与空间分布特征.湖泊总面积和数量在当年春、夏、秋、冬季均依次减少, 到第二年春季又逐渐恢复到前一年春季状态;湖泊面积季节变化萎缩与增大区域呈集聚、连片分布态势, 部分时段湖泊面积变化表现出渐变分布特征.研究结果可为进一步深入研究巴丹吉林沙漠湖泊水循环、湖泊水量平衡、湖泊生态系统提供科学参考。
关键词:  巴丹吉林沙漠  湖泊  遥感  季节变化  湖泊水循环
DOI:10.18307/2011.0424
分类号:
基金项目:国家基础科学人才培养基金项目(J0730536);高等学校博士学科点专项科研基金项目(20090211110025)联合资助
RS-based monitoring seasonal changes of lake in Badain Jaran Desert
ZHU Jinfeng1,2, WANG Naiang1,2, LI Zhuolun1,2, DONG Chunyu1,2, LU Ying1,2, MA Ning1,2
1.College of Earth and Environmental Science, Lanzhou University, Lanzhou 730000, P.R.China;2.Center for Hydrologic Cycle and Water Resources in Arid Region, Lanzhou Univesity, Lanzhou 730000, P.R.China
Abstract:
Using ETM+ remote sensing images acquired on Dec.28 in 2001, March 18, July 24, Sept.26, Dec.15 in 2002, re-spectively,this study extracted the information of seasonal changes of the number and areas of lakes and analyzed the statistical char-acteristics and spatial distribution of them.The following conclusions were drawn.Firstly,the number and total area of desert lakes showed a decreasing trend from spring, summer, autumn to winter in the first year and regained the original condition gradually in the next spring.Secondly,the seasonal variation of lake area displayed an obvious characteristic that the atrophic and increased area of lake present a distribution of gathers and continual pieces and gradual changes in the spatial distribution showed in some time section.The automatic weather observation station of Badain Jaran Desert had been completed in winter in 2009.Our next focus is to study the scientific issues of lake water cycle further,water balance both using RS imagery data and meteorological observation data.
Key words:  Badain Jaran Desert  lake  remote sensing  seasonal changes  lake water cycle
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