|本期目录/Table of Contents|

[1]于海洋,张振德,张佩民,等.西藏土地荒漠化遥感监测[J].地球科学与环境学报,2007,29(03):316-320.
 YU Hai-yang,ZHANG Zhen-de,ZHANG Pei-min,et al.Monitoring of Land Desertification in Tibet Based on RS[J].Journal of Earth Sciences and Environment,2007,29(03):316-320.
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《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

卷:
第29卷
期数:
2007年第03期
页码:
316-320
栏目:
环境地学
出版日期:
2007-09-15

文章信息/Info

Title:
Monitoring of Land Desertification in Tibet Based on RS
作者:
于海洋1张振德2张佩民2余江宽2
1.中国地质大学地球科学与资源学院,北京100083;2.中国国土资源航空物探遥感中心,北京100083
Author(s):
YU Hai-yang1ZHANG Zhen-de2ZHANG Pei-min2YU Jiang-kuan2
1. School of Earth Sciences and Resources, China University of Geosciences, Beijing 100083, China; 2. China Center of Aerogeophysical Survey and Remote Sensing for Land and Resources, Beijing 100083, China
关键词:
西藏土地荒漠化遥感地理信息系统
Keywords:
Tibet land desertification RS GIS
分类号:
P941.71
DOI:
-
文献标志码:
A
摘要:
应用RS与GIS技术,利用1976年的MSS数据和2000年TM遥感数据,对西藏境内的荒漠化土地现状 与动态变化进行监测研究,并对其时空演变特征进行了分析。结果表明,西藏荒漠化土地面积2000年为29.08 ×104km2,占总面积的24.28%,其中沙质荒漠化土地面积为24.99×104km2,占20.86%。1976年荒漠化总面 积为27×104km2。由1976~2000年间,荒漠化土地总面积增加了20764.67km2,共增长7.69%,年增长率为 0.32%。同时,土地荒漠化程度明显加重,重度沙质荒漠化土地面积增加了315.87%。
Abstract:
Based on remote sensing and GIS technology, this paper monitored and analyzed the spatial-temporal characteristics of the land desertification in Tibet by using MSS and TM data acquired in 1976 and 2000 respectively. According to the monitoring result, the land area of desertification in Tibet is 2.908× 105 km2, which occupies 24.28% of Tibet whole land. The sandy desertification in Tibet is 2.499× 105 km2, which occupies 20. 86% of Tibet whole land. The area of land desertification in 1976 is 2.7× 105 km2. The analytical result of remote sensing also shows that the gross land area of desertification in Tibet has increased 20 764.67 km2, the increase rate of each year is 0.32%. Obviously, the degree of desertification becomes severer. The area of the severest sandy desertification and desert has increased 315.87%.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2006-10-20 基金项目:中国地质调查局项目(200315100002) 作者简介:于海洋(1978-),男,山东沂南人,博士研究生,从事RS与GIS地学应用研究。E-mail:yuhyang@sohu.Com
更新日期/Last Update: 1900-01-01