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Abstract Analysis of the Soil Erosion under the Different Environment Condition——for Instance in Chongqing CityYANG Cun-jian1,2, ZHANG Zeng-xiang1, WANG Siyuan1(1.Institute of Remote Sensing Applications,The Chinese Academy of Sciences,Beijing100101China)(2.Institute of Ecology and Geobotany,Yunnan University,Kunming650091China)Abstract:In order to discover the relationship between the soil erosion status and its environment factorssuch as temperature, rainfall, vegetation index, topographic index, environment index, the analysis of thesoil erosion under the different environment condition in Chongqing City is discussed here. Firstly, a soilerosion index is defined here to describe the heavy of soil erosion in per unit. Secondly, all of theenvironment data was rasterized into 100M * 100M including topographic index, annual averagetemperature, accumulating temperatures above zero and ten degree, annual rainfall, aridity, humidity, hotindex, water index, hot and water index, environment quality comprehensive index. Thirdly all of theenvironment data were used to overlay with the soil erosion data with grid size of 100 m*100 m. Finally,the statistics analysis function of the GIS is used to discover the relationship between the soil erosion andits environment factors.Key words:Geographic information system, Soil erosion, Environment factors
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Published: 26 December 2011
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〔1〕 李国英.对我国水土保持工作的几点思考〔J〕.中国水土保持,1998(2):20~23.〔2〕 李维能,方贤铨.地貌学〔M〕.北京:测绘出版社,1983.11~13.〔3〕 侯光良,李继由,张谊光.中国自然资源丛书,中国农业气候资源〔M〕.北京:中国人民大学出版社,1993.〔4〕 席承藩,丘宝剑,张俊民,等.全国农业区划委员会《中国自然区划概要》编写组,中国自然区划概要〔M〕.北京:科学出版社,1984.〔5〕 邓先瑞主编.气候资源概论〔M〕.上海:华中师范大学出版社,1995.〔6〕 丘宝剑,卢其饶编著.农业气候区划及方法〔M〕.北京:科学出版社,1987. |
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