[1]孙景梅.基于RS和GIS的沙化土地动态变化分析——以神木县研究区为例[J].水土保持研究,2011,18(01):28-30,36.
　SUN Jing-mei.Analysis on the Dynamic Variations of Desertificated Land Based on RS and GIS -A Case Study of Shenmu County[J].Research of Soil and Water Conservation,2011,18(01):28-30,36.
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基于RS和GIS的沙化土地动态变化分析——以神木县研究区为例

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 18 期数: 2011年01期 页码: 28-30,36 栏目: 出版日期: 2011-02-20
Title:
Analysis on the Dynamic Variations of Desertificated Land Based on RS and GIS -A Case Study of Shenmu County
作者:
孙景梅
国家林业局 西北林业调查规划设计院, 西安 710048
Author(s):
SUN Jing-mei
Northwest Institute of Forest Inventory, Planning and Design, State Forestry Administration, Xi’an 710048, China
关键词:
沙化土地; 动态变化; RS; GIS
Keywords:
desertificated land; dynamic variations; RS; GIS
分类号:
S157;X171
摘要:
利用RS和GIS的空间分析技术，以TM遥感影像为主要信息源，通过目视解译的方法提取研究区沙化土地动态变化数据，结合现地调查资料对研究区沙化土地动态变化情况进行分析。结果表明：研究区沙化土地总体呈现出好转的态势，其中以流动沙地减少最为明显，流动沙地主要转化为固定和半固定沙地。分析认为，国家与地方在防沙治沙和环境治理方面实施的法律法规为沙化土地好转提供了政策保障；各项生态建设工程的实施和人们保护生态环境意识的增强，对沙化土地的好转起到了推动作用；区域经济持续稳定的发展为沙化土地好转提供了有力的资金支持。
Abstract:
Using space analysis technologies RS and GIS, and taking the remote sensing image as the major source of information, an analysis is performed on the dynamic variations of desertificated land of the study area, with the data acquired by virtue of visual interpretation as well as the field survey data. The results show that the desertificated land of the study area is generally in an improved situation, among which the most obvious improvement is the area diminution of the shifting sandy lands, which mainly converse into fixed and semi-fixed sandy lands. It is thought by analysis that the laws and regulations implemented by the central and local governments on sand prevention and control provide policy guarantee for the improvement of desertificated land. The realization of various ecological projects and the enhanced public awareness of protection of ecological environment play a promoting role in it, and the sustained and steady development of regional economy provides strong financial support for the same.

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备注/Memo

收稿日期:2010-6-22;改回日期:2010-7-19。
基金项目:霍英东教育基金会第九届高等院校青年教师基金优选课题（94005）
作者简介:孙景梅（1964- ），女，山西夏县人，学士，高级工程师，主要从事林业调查规划设计和荒漠化及沙化监测工作。E-mail：jyhsjm@163.com

更新日期/Last Update: 1900-01-01