LU Yu-dong,TAN Qin-wen.Study on Space Variation and Geostatistical Analysis of Soil Erosion[J].Research of Soil and Water Conservation,2005,12(05):149-152.
土壤侵蚀空间变异性及趋势预测的地统计学分析
- Title:
- Study on Space Variation and Geostatistical Analysis of Soil Erosion
- Keywords:
- soil erosion; space variation; geostatistical analysis
- 分类号:
- S157
- 摘要:
- 根据研究区璧山县狮子小流域的土壤侵蚀空间变异特征，应用地统计学方法分析结果表明，土壤侵蚀在西北-东南方向呈现明显的自相关性和方向变异性，其变异性特征与研究区域的地形地貌分布特征及土地利用结构分布特征一致。经Kriging预测值与USLE方程预测结果对比分析表明，研究对象的空间变异规律认识程度对地统计学方法预测模型的建立及预测结果精度影响较大。
- Abstract:
- According to the Shizi small watershed’s soil erosion space variation characteristic,the geostatistics method analysis indicated,the erosion in the area is on belt distributing.Its variant characteristic is similar to the topography distribution and land use structure distributing characteristic.The comparative analysis between the Kriging forecasting value and forecasting result of USLE’s equation indicates that the cognitive degree to soil erosion space variant regular has a great influence on the mode of geostatistics method and forecasting precision.
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备注/Memo
收稿日期:2004-11-15
作者简介:卢玉东（1969- ），男，博士后，副教授，从事水土保持、水文水资源、流域管理信息统等方面教学科研工作.