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当前位置: 首页 > 文章 > 基于高程的浑善达克沙地典型区正镶白旗的荒漠化特征分析 水土保持研究 2014,21 (4) 295-299+306
Position: Home > Articles > Based on the Elevation to Analysis the Characteristics of Desertification in Zhengxiangbaiqi Region in the Classical Sand Land Hunshandake Research of Soil and Water Conservation 2014,21 (4) 295-299+306

基于高程的浑善达克沙地典型区正镶白旗的荒漠化特征分析

作  者：
李春兰;银山;包玉海;张继权;胡日查;阿拉腾图雅;包刚;魏宝成
单  位：
内蒙古师范大学遥感与信息重点实验室;东北师范大学环境学院;内蒙古师范大学地理科学学院
关键词：
高程;浑善达克沙地典型区;正镶白旗;荒漠化变化特征
摘  要：
以浑善达克沙地典型区正镶白旗为研究对象,应用GIS空间分析功能,从高程的角度分析该旗荒漠化的变化特征。结果表明:随时间的推移,浑善达克沙地典型区正镶白旗,荒漠化土地面积随高程的增加比重减少;在高程为1级、3级和4级处,荒漠化土地面积变化幅度较大,在高程为2级、5级和6级处,荒漠化土地面积变化幅度较小,在荒漠化防治工作进行时重点关注1级、3级和4级,将荒漠化程度较高的土地转换成程度较低的土地,使荒漠化的程度得以缓解;在1989,2000,2007年三个年份,浑善达克沙地典型区正镶白旗整体均是以荒漠化扩展为主,不同高程荒漠化土地的变化程度不同,除高程为2级处出现一定程度缓解外,其余高程均出现很大程度的恶化。
译  名：
Based on the Elevation to Analysis the Characteristics of Desertification in Zhengxiangbaiqi Region in the Classical Sand Land Hunshandake
作  者：
LI Chun-lan;YIN Shan;BAO Yu-hai;ZHANG Jiquan;HU Ri-cha;A Latengtuya;BAO Gang;WEI Bao-cheng;College of Geographical Sciences,Inner Mongolia Normal University;Remote Sensing and Information Key Laboratony,Inner Mongolia Normal University;College of Environment,Northeast Normal University;
关键词：
elevation;;classical sand land Hunshandake;;Zhengxiangbaiqi region;;change characteristic of de-sertification
摘  要：
In this paper,we took Zhengxiangbaiqi region in the classical sand land Hunshandake as the study area,and used the spatial analysis function of CIS to analyze the change characteristics of desertification.The results are as followings:the area of desertification in Zhengxiangbaiqi region has the relationship with the elevation,the area of desertification decreased and with the increase of elevation;in the grades of one,three and four,the area of desertification changes a lot,while in the grade of two,five and six,the area of desertification changes little.When taking measures to protect,we should pay more attention to the grades of one,three and four,and change the higher degree into a lower degree to alleviated the desertification;in the year of 1989,2000 and 2007,the desertification of the classical sand land of Hunshandake in the Zhengxiangbaiqi region is spreading,and the desertification of different degree changes in different elevations.The others all deteriorated greatly except certain extent alleviation in the grade two.

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