IMHE OpenIR  > 成都山地所知识仓储(2009年以前)
利用GIS技术进行水土流失治理经济效益分析——以王家沟为例
Alternative TitleEconomic profits analysis of soil and water conservation project based on GIS -take Wangjiagou watershed as an example
刘立伟1,4; 何宗宜1; 王青2; 李树怀3
Corresponding Author刘立伟
2004
Source Publication武汉大学学报(工学版)
ISSN1671-8844
Volume37Issue:6Pages:40-43
Other Abstract

选定黄土丘陵沟壑区的王家沟流域为研究对象,以地形图和遥感影像资料为主要信息源,利用GIS表面分析和叠置分析方法,获取坡耕地和梯田的坡向分布图,讨论了地貌形态对DEM和影像判读的影响及提高精度的方法;结合农作物种植面积的统计资料,计算出不同坡向上农作物的增产量和保土保肥量.采用市场价值法和机会成本法对该流域的坡改梯和筑坝淤地等工程治理措施所取得的经济效益进行定量分析. 
 

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Considering geomorphologic feature of the loess gully and hilly areas, the authors discuss a specific method to extract land distribution map and DEM effectively from remote sensing image and top-ographical map; then acquire the data about aspects of land-use types based on surface analysis and over-lay analysis of GIS. Taking Wangjiagou watershed for example of comprehensive soil-erosion control in loess landform, and based on the data of plant area of crops, the authors calculate the added-productivity of crops in different aspects. Lastly, the paper quantitatively analyses the economic profits of the engi-neering project by use of market-value method and opportunity-cost method.

Keyword水土保持 经济效益分析 地理信息系统 黄土丘陵沟壑区
Subject AreaF323.2
Indexed ByCSCD ; 北大中文核心
Language中文
CSCD IDCSCD:1659586
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/19174
Collection成都山地所知识仓储(2009年以前)
Affiliation1.武汉大学资源与环境学院
2.中国科学院成都山地灾害与环境研究所
3.山西省水土保持研究所
4.湖北经济学院
Recommended Citation
GB/T 7714
刘立伟,何宗宜,王青,等. 利用GIS技术进行水土流失治理经济效益分析——以王家沟为例[J]. 武汉大学学报(工学版),2004,37(6):40-43.
APA 刘立伟,何宗宜,王青,&李树怀.(2004).利用GIS技术进行水土流失治理经济效益分析——以王家沟为例.武汉大学学报(工学版),37(6),40-43.
MLA 刘立伟,et al."利用GIS技术进行水土流失治理经济效益分析——以王家沟为例".武汉大学学报(工学版) 37.6(2004):40-43.
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