温度影响下土壤水分运动模型

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根据不同温度条件下的入渗资料,分析了活塞(Green-Ampt)公式在温度场中的适用性,认为,Green Ampt公式适用于温度场影响下的土壤水分运动。温度影响下的土壤水分运动的通量主要依赖于概化区的饮和导水率、湿润锋处基质势以及温度,其中饱和导水率的温度效应较大,而基质势的温度效应较小,在较轻质地土壤中可以忽略基质势的温度效应。
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