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土壤渗透系数测定与计算方法的探讨/Determination and calculation of soil permeability coefficient[J]
Authors
Gan Yongde
Hu Shunjun
+9 more
SongYudong
Tian Changyan
中国科学院新疆生态与地理研究所,乌鲁木齐,830011
中国科学院研究生院,北京,100049
宋郁东
甘永德
田长彦
胡顺军
荒漠与绿洲生态国家重点实验室,乌鲁木齐,830011
Publication date
1 January 2011
Publisher
Abstract
为准确地测定土壤渗透系数,采用能态学的观点,分析了双环入渗法和环刀法测定土壤饱和渗透系数时饱和土体中压力势的分布规律,根据达西定律定量研究了双环入渗法和环刀法测定土壤渗透系数的计算方法.结果表明,土壤饱和渗透系数大于双环入渗法测定的稳定入渗速率;当采用双环入渗法和环刀法测定土壤的饱和渗透系数时,土壤剖面土壤水压力势分布规律不同.因此,这2种测定方法对应的计算饱和渗透系数的公式也不同
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Last time updated on 29/11/2016