| 敦煌盆地重点区土地荒漠化变化特征及原因分析 |
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| 引用本文： | 宁立波,张阳,杨俊仓,肖春娥.敦煌盆地重点区土地荒漠化变化特征及原因分析[J].地理与地理信息科学,2011,27(6):65-68,115. |
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| 作者姓名： | 宁立波 张阳 杨俊仓 肖春娥 |
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| 作者单位： | 1. 中国地质大学环境学院,湖北武汉,430074
2. 甘肃省地质环境监测院,甘肃兰州,730050 |
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| 摘 要： | 敦煌是河西走廊的西大门,阻挡着库塔姆格沙漠的东侵,近年来随着敦煌绿洲的萎缩引发了"敦煌是否会成为第二个楼兰"的忧虑。该文以敦煌绿洲为重点研究区,运用遥感解译的方式分析20世纪90年代以来敦煌绿洲的土地荒漠化特征。得出如下结论:1)敦煌绿洲的土地荒漠化有越来越严重的趋势;2)人口的不断增加、社会经济的快速发展、对水土资源的无序开发是造成土地荒漠化的主要原因之一;3)风蚀作用成为土地荒漠化的另一个主要原因。
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| 关 键 词： | 敦煌 荒漠化 遥感 |
Analysis of Land Desertification Variation Characteristics and Its Reasons in the Key Areas of Dunhuang Basin |
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| NING Li-bo,ZHANG Yang,YANG Jun-cang,XIAO Chun-e.Analysis of Land Desertification Variation Characteristics and Its Reasons in the Key Areas of Dunhuang Basin[J].Geography and Geo-Information Science,2011,27(6):65-68,115. |
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| Authors: | NING Li-bo ZHANG Yang YANG Jun-cang XIAO Chun-e |
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| Institution: | NING Li-bo1,ZHANG Yang1,YANG Jun-cang2,XIAO Chun-e1(1.School of Environmental Studies,China University of Geosciences,Wuhan 430074,2.The Geological Environmental Monitoring Institute of Gansu Province,Lanzhou 730050,China) |
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| Abstract: | Dunhuang is the west gate of Hexi Corridor,blocking Kutamuge desert eastward invasion.In recent years,the atrophy of oasis area caused the Dunhuang would be the second Loulan anxiety.This paper focuses on the oasis of Dunhuang Basin,using remote sensing interpretation to analyze the desertification characteristics in Dunhuang since 1990s.Studies suggest that:1) The trend of desertification in Dunhuang oasis is more and more serious;2) Increasing population,rapid social and economic development,water resourc... |
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| Keywords: | Dunhuang desertification remote sensing |
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