【Key words】 Ningbo area; mucky soft soil; random field; soil indicator; spatial variability coefficient; empirical equation
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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%.
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%。
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.
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%；
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