太原粉质粘土强度指标的空间概率特征研究 关键词： 太原地区；粉质粘土；强度指标；空间变异系数；概率模型；经验关系 [gap=734]Keywords ： Taiyuan district； silty clay； strength indexes；sp atial variability coefficient； probabilistic distribution；empirical equations
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经典统计学方法分析表明，在小流域尺度下土壤可蚀性K值存在很强的空间变异性，其变异系数达39.94%。
Classical statistical analyses show significant spatial variability of soil erodibility K values at a scale of small watershed, the variance coefficient of which is 39.94%.
结果表明： 饱和导水率具有较大的空间变异性， 变异系数达67%；
The result shows that the saturated hydraulic conductivity has great spatial variability with the various coefficient 67%, and the soil bulky density has lower variability.
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