Based on soil water infiltration experiments in corn field, this paper analysed and discussed yearly change characteristics of soil water infiltration.
土壤水分入渗特征参数的空间变异规律是区域尺度参数估值的基础。
People has done many researches on the infiltration characteristics of modern surface soil, however vertical strata and water infiltration conditions of loess are rarely done.
人们对现代表层土壤入渗特性的研究较多，对黄土地层的垂向入渗规律和含水条件方面研究较少。
During the freezing period, the infiltration experiments were conducted and the infiltration characteristics of the frozen soil under different water temperatures were obtained.
该文通过土壤冻结期间积水入渗试验，获得了不同入渗水温条件下冻土的入渗规律。
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