土壤水分特征曲线滞后效应研究进展

Research Advances in Hysteresis Effect of Soil Water Characteristic Curve

  • 摘要: 土壤水分特征曲线滞后效应的研究是准确表征干湿及冻融循环条件下土壤水力特征的关键。论文系统综述了土壤水分特征曲线滞后效应的成因、影响因素、评价方法、滞后模型及应用现状等方面的研究进展,并对多种滞后机制的内在联系、多因素耦合条件对滞后效应的影响、尺度效应和动态非平衡效应、冻融循环下土水特征滞后等问题展开了探讨,进而对土壤水分特征曲线滞后效应研究进行了展望,以期为相关领域研究工作提供参考。

     

    Abstract: The study of hysteresis effects in soil water characteristic curves is crucial for accurately characterizing soil hydraulic properties under wet-dry and freeze-thaw cycles. This review systematically summarized the current research on the causes, influencing factors, evaluation methods, hysteresis models, and applications of soil water characteristic curve hysteresis. It explores the internal connections among various hysteresis mechanisms, the impact of multi-factor coupling on hysteresis, scale and dynamic non-equilibrium effects, as well as the hysteresis under freeze-thaw conditions. Furthermore, it provides an outlook on future research directions, aiming to offer insights for related fields of study.

     

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