长江流域资源与环境 >> 2010, Vol. 19 >> Issue (z1): 90-.

• 自然资源 • 上一篇    下一篇

云贵高原区湖泊空间分布格局

李晓铃,李爱农,刘国祥,蒋锦刚   

  1. (1.西南交通大学土木工程学院测量工程系|四川 成都 610031〖QS〗;2.中国科学院/水利部成都山地灾害与环境研究所|四川 成都 610041〖QS〗;3.马里兰大学帕克分校地理系|美国 马里兰 20742;4.成都信息工程学院环境工程系|四川 成都 610225)〖
  • 出版日期:2010-08-23

SPATIAL DISTRIBUTION PATTERN OF THE LAKES IN THE YUNNANGUIZHOU PLATEAU

LI Xiaoling1,2 LI Ainong2,3  LIU Guoxiang1 JIANG Jingang2,4   

  1. (1.Deptartment of Surveying Engineering,Institute of Civil Engineering,Southwest Jiaotong University,Chengdu 610031,China;2.Institute of Mountain Hazards and Environment,Chinese Academy of Scienes,Chengdu 610041,China;3.Department of Geography,University of Maryland,College Park,MD 20742,USA;4.Department of Environmental Engineering,Chengdu University of Information Technology,Chengdu 610225,China)〖
  • Online:2010-08-23

摘要:

高原湖泊的发育历史、所处的地理环境以及补给来源的差异,使湖泊具有自身的分布特点和演变过程,湖泊水文特征主要由一定的区域地形和气候条件决定。基于遥感和GIS空间分析的方法,对云贵高原区湖泊分布特征及地形和气候状况进行了分析研究。结果表明:该区湖泊主要分布在川滇,两省的湖泊数量相当,但大中型湖泊集中分布在滇中和滇西北地区;重点湖泊主要分布海拔1000~2000 m,区间分布的湖泊面积约占总面积的8556%;云南和贵州湖泊区域的降水量与潜在蒸散量普遍比四川高,但四川的湖泊积水条件较好,其湖泊主要分布在降水量与潜在蒸散量的差值为50~200 mm的区域,而云南的多数湖泊区降水量小于潜在蒸散量。〖

Abstract:

The growing history, geographical location,as well as the supply of plateau lakes are different,so that lakes have their own characteristics of the distribution and evolution process.The hydrological characteristics of lakes mainly depend on the regional topography and climatic conditions.This article analysed the characteristics of the lakes distribution in the YunnanGuizhou Plateau and the conditions of topography and climate in the lakes of the location based on RS and GIS spatial analysis method.The result showed that lakes in the area are mainly distributed in Sichuan and Yunnan.The number of lakes in two provinces almost equal,and the big and mediumsized lakes are mainly located in central and northwestern of Yunnan;big lakes are mainly distributed between 1000 m and 2000 m elevation,and the lakes area of this region counts for about 8556% of the total lakes area.The precipitation and potential evapotranspiration in lakeregion of Yunnan and Guizhou are generally higher than those in Sichuan.However,the condition of accumulating water in lakeregion of Sichuan is better.Its lakes are mainly distributed in the area where the difference between precipitation and potential evapotranspiration is 50 ~ 200 mm.For most lakes in Yunnan,the precipitation is less than the potential evapotranspiration.
 

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