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地理信息影像化在长江上游土壤侵蚀敏感性评价中的应用
Alternative TitleAssessment of Sensitivity of Soil Erosion with Imagewise Method in the Upper Reaches of Yangtze River
周从斌1,3; 范建容1,2; 郭祥1,2
2010
Source Publication世界科技研究与发展
ISSN1006-6055
Volume23Issue:3Pages:180-182+208
SubtypeArticle
Contribution Rank1
Abstract应用地理信息影像化方珐,从土壤侵蚀的影响因素出发,在ERDAS软件支持下,建立长江上游降雨侵蚀力、地形起伏、土壤可蚀性、植被覆盖信息的专题数字模型.在此基础上,进行综合分析得到土壤侵蚀敏感性指数影像化图,并探讨长江上游土壤侵蚀敏感性空间分异特征.研究表明,评价结果信息客观细致,适用于生态环境的综合评价;长江上游土壤侵蚀敏感性总体水平较高,中度敏感和高度敏感面积占总面积82.8%;长江上游土壤侵蚀敏感性空间分异显著
Other AbstractThematic digital model of influencing factors of soil erosion such as rainfall erosivity, terrain rise, soil erodibility and vegetation cover information in the upper reaches of the Yangtze River was built up in ERDAS using the imagewise method of geographic information. The imagewise map of soil erosion sensitivity index was created and the spatial differentiation characteristics of soil erosion sensitivity in the upper reaches of the Yangtze River was discussed based on the comprehensive analysis of the thematic digital model. Results show that, the output of the evaluation is objective and detailed which is suitable for the comprehensive analy'sis of the eco Iogical environment. The overall soil erosion sensiti Vity in the upper reaches of the Yangtze RiVer is at a high level. The area with a medium and high sensitivity accounts for 82.8% of the total area-And there is significant sI)atial difkrennation in the soil emsion sensitivity in the upper reaches of the Yangtze Rive r
Keyword土壤侵蚀 敏感性 影像化 长江上游
DOI10.16507/j.issn.1006-6055.2010.02.021
Indexed ByCSCD
Language中文
CSCD IDCSCD:3952972
Citation statistics
Cited Times:1[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/25773
Collection成都山地所知识仓储(2009年以前)
Corresponding Author范建容
Affiliation1.中国科学院山地灾害与地表过程重点实验室;
2.中国科学院水利部成都山地灾害与环境研究所;
3.四川省川建勘察设计院
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Corresponding Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
周从斌,范建容,郭祥. 地理信息影像化在长江上游土壤侵蚀敏感性评价中的应用[J]. 世界科技研究与发展,2010,23(3):180-182+208.
APA 周从斌,范建容,&郭祥.(2010).地理信息影像化在长江上游土壤侵蚀敏感性评价中的应用.世界科技研究与发展,23(3),180-182+208.
MLA 周从斌,et al."地理信息影像化在长江上游土壤侵蚀敏感性评价中的应用".世界科技研究与发展 23.3(2010):180-182+208.
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