| 土壤侵蚀研究中的"3S"技术应用进展 |
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| 引用本文： | 朱连奇,冯文峰,朱文博.土壤侵蚀研究中的"3S"技术应用进展[J].地理科学进展,2008,27(6):57-62. |
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| 作者姓名： | 朱连奇 冯文峰 朱文博 |
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| 作者单位： | 河南大学资源与环境研究所,环境与规划学院,开封,4750014 |
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| 基金项目： | 国家自然科学基金
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| 摘 要： | 随着地球信息科学的进步与发展,“3S”技术成为土壤侵蚀研究的有效工具。本文介绍了“3S”技术在土壤侵 蚀研究中应用的途径和使用的限制条件,在对大量研究文献分析的基础上,认为国外学者利用“3S”技术主要集中 在全球和区域土壤侵蚀调查、土壤侵蚀的生态效应等2 个方面。而国内学者主要开展了区域土壤侵蚀调查、土壤侵 蚀动态研究和土壤侵蚀模式的构建等3 个方面的工作。指出目前和GIS 技术结合应用最为广泛的土壤侵蚀模式是 USLE 和RUSLE,这两个模式都是基于统计的经验模式,缺乏充足的实测资料,精度不高;利用“3S”技术对于区域土 壤侵蚀因子的研究缺乏与综合评价方法或模型间的协调。展望未来“3S”技术在土壤侵蚀研究中应用的可能趋势。
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| 关 键 词： | 3S 技术 土壤侵蚀 动态监测 |
| 收稿时间： | 2008-06-01 |
| 修稿时间： | 2008-10-01 |
Progress of "3S"|Technique Application in Soil Erosion Study |
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| ZHU Lianqi,FENG Wenfeng,ZHU Wenbo.Progress of "3S"|Technique Application in Soil Erosion Study[J].Progress in Geography,2008,27(6):57-62. |
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| Authors: | ZHU Lianqi FENG Wenfeng ZHU Wenbo |
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| Institution: | Institute of Resources and Environment, College of Environment and Planning, Henan University, Kaifeng 475004, China |
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| Abstract: | With progress and development of earth information science,"3S" technique has become a much more effective tool to study soil erosion.This paper introduces approaches and limits within soil erosion study,on the basis of references analysis,both at home and abroad,and considers that overseas researchers studying soil erosion with "3S" mainly focus on global and regional soil erosion surveys,and ecological effects of soil erosion.And Chinese scientists who study soil erosion with "3S" have focused on regional soil erosion survey,dynamic of regional soil erosion and constructed soil erosion models.It is pointed out that the widely used soil erosion models combined with GIS are USLE and RUSLE,which are empirical models based on statistics short of monitoring data,and have lower accuracy caused by models,RS imagery and scale of DEM.The study on soil erosion factors is short of accordination with methodology and model of synthesis assessment.Finally,the possible tendency of "3S" technique using in soil erosion study is forecasted,and suggested to develop soil erosion model suited to local conditions,combined soil erosion model with that of hydrology. |
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| Keywords: | "3S" technology soil erosion dynamic monitoring |
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