SHI Xue-jian,WANG Ling-ling,PENG Hong.Rapid Assessment and Validation of the Spatial Difference of the Soil Erosion in Xingzi River Basin[J].Research of Soil and Water Conservation,2005,12(01):196-198.
杏子河流域土壤侵蚀空间差异快速评估与验证
- Title:
- Rapid Assessment and Validation of the Spatial Difference of the Soil Erosion in Xingzi River Basin
- Keywords:
- soil erosion; rapid assessment; expert classifier
- 分类号:
- S157
- 摘要:
- 利用RS与GIS相结合的技术手段，探讨了流域下垫面覆盖信息和地形信息的快速提取方法；在对土壤侵蚀评价因子进行合理筛选以后，参考国家土壤侵蚀分级分类及其参考指标，利用ERADS图像处理软件提供的专家分类器，实现对土壤侵蚀强度及其空间差异的快速、精确评估，并以水文站的观测数据进行验证。
- Abstract:
- In the application of RS (remote sensing) and GIS (geographic information system) technology, the method of rapid obtaining the information of land cover and topographic condition was discussed.Based on selected evaluation factors and expert classifier of ERDAS software,reference to national soil erosion grade classification, rapid and precise evaluating the spatial difference of soil erosion could be achieved. Simultaneously,taking the Xingzi River as the example,the assessment results were validated by the hydrology station’s observation data.
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备注/Memo
收稿日期:2004-5-11。
基金项目:黄委会水土保持科学研究基金项目
作者简介:史学建（1963- ），男，博士，高级工程师，现主要从事遥感技术及GIS在水土保持工作应用研究.