基于DEM数据的北天山地貌形态分析 Geomorphic Characteristics of Northern Tianshan Mountains Bas

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基于DEM数据的北天山地貌形态分析

Geomorphic Characteristics of Northern Tianshan Mountains Based on DEM Data

基于SRTM3-DEM数据,运用GIS空间分析技术,通过面积-高度积分、地形高程(平均高程、最大高程、最小高程)、地势起伏度及地形剖面线方法,对北天山的地貌特征进行了初步分析.结果表明,北天山山势险峻并且呈NW-SE走向,显示天山受南北向水平挤压隆升作用.近S形的面积-高度曲线、偏高的面积高度积分值表明北天山地区处于构造活跃时期,地貌发育属壮年期的早期阶段.地形高程剖面线揭示了北天山存在3级夷平面地貌特征,地势起伏度变化幅度最大地区则是受陆内挤压构造应力影响地形抬升最强的地区.水利论文0D#S*D#A5C?R2[0?

作 者: 赵洪壮 李有利 杨景春 吕红华 ZHAO Hong-zhuang LI You-li YANG Jing-chun LU Hong-hua  
作者单位:赵洪壮,李有利,吕红华,ZHAO Hong-zhuang,LI You-li,LU Hong-hua(北京大学城市与环境学院,北京,100871;北京大学地理科学中心地表过程分析与模拟教育部重点实验室,北京,100871)水利论文QX D^4F+sZ.P QI._
杨景春,YANG Jing-chun(北京大学城市与环境学院,北京,100871) 
刊 名:地理科学  ISTIC PKU
英文刊名:SCIENTIA GEOGRAPHICA SINICA 
年,卷(期):2009 29(3) 
分类号:TP91/P931.2 
关键词:数字高程模型(DEM)   面积-高度积分(hypsometric Integral)   夷平面   构造地貌   天山  
机标关键词:DEM数据北天山地貌特征形态分析DEM DataBasedTianshan Mountains地形高程GIS空间分析技术起伏度剖面线面积天山地区早期阶段应力影响平均高程隆升作用挤压构造积分值地形抬升 
基金项目:国家自然科学基金 
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