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土壤水分遲滯效應在非飽和導水係數測定上的影響
The Effect of Hysteresis of Soil Water on Measurement of Unsaturated Hydraulic Conductivity
並列摘要
Based on the Darcy's equation, the conductivity coefficient is assumed solely depend on the water content or suction. The purpose of this paper is to prove that hysteresis effect in soil water movement is another important factor to cause error in traditional assumption. A new apparatus was designed to prove this condition existed. Conductivity decreased about 66%, 79%, 48% and 26% by hysteresis effect under -10, -30, -50 and -70cm pressure.
延伸閱讀
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