地表层状土壤透水性能的试验研究
Journal of Water Resources and Water Engineering（2006）
Abstract
以禹城综合试验站典型农田地块为研究对象,测得102 m×52 m面积内地表层与犁底层两个层面不同水平位置的土壤稳渗率fc与入渗经验指数α.结果表明:地表层土壤的透水性能较犁底层土壤透水性能好;两个层面土壤稳渗率fc与入渗经验指数α具有较大的空间变异性,并服从对数正态分布;土壤入渗参数在一定范围内存在着空间相关现象,具有明显的方向性,且稳渗率的各向异性较显著.
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Key words
steady infiltration rate,infiltration experiential index,spatial correlativity,anisotropy,layer soil
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