新疆阿瓦提丰收灌区砂壤土非饱和土壤水分运动参数的测定与计算/Field measurement and calculation of unsaturated soil water movement parameters of Fengshou irrigation district in Awati county of Xinjiang[J]

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Publication date
1 January 2011
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Abstract

采用负压计法和双环入渗法在田间分别测定了阿瓦提丰收灌区砂壤土土壤含水率及其对应的土壤水吸力和土壤饱和导水率,采用Sigmaplot软件拟合了Van Genuchten水分特征曲线公式.根据Mualem提出的非饱和土壤导水率公式,建立了该灌区砂壤土非饱和土壤导水率的计算公式,并间接推导了非饱和土壤扩散率和比水容量两个参数的计算公式

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