季节性冻土区包气带水汽热耦合运移研究进展
S152.7; 季节性冻土区占据中国超过一半的国土面积,冻融作用会显著改变土壤性质与包气带水、热传输过程,并且由于温度与气态水对土壤水分运移影响显著,开展水汽热耦合研究对于探究季节性冻土区土壤水循环过程十分关键.该研究综述了包气带水汽热耦合运移理论的提出与发展历程,阐明了季节性冻融作用对水汽热耦合运移研究中水力参数及水分相态转化过程的影响,探讨了水汽热耦合模型适用性,总结了温度梯度驱动下气态水运移规律及其重要性,并对该领域尚需加强研究的方向提出建议:1)聚焦"土壤-植被-大气"系统水循环过程,构建适用于季节性冻土区的包气带水汽热-植被耦合模型,探究土壤水资源生态效应,为植被...
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Published in | 农业工程学报 Vol. 38; no. 24; pp. 110 - 117 |
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Main Authors | , , , , |
Format | Journal Article |
Language | Chinese |
Published |
长安大学水利与环境学院,西安 710064
01.12.2022
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Subjects | |
Online Access | Get full text |
ISSN | 1002-6819 |
DOI | 10.11975/j.issn.1002-6819.2022.24.012 |
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Abstract | S152.7; 季节性冻土区占据中国超过一半的国土面积,冻融作用会显著改变土壤性质与包气带水、热传输过程,并且由于温度与气态水对土壤水分运移影响显著,开展水汽热耦合研究对于探究季节性冻土区土壤水循环过程十分关键.该研究综述了包气带水汽热耦合运移理论的提出与发展历程,阐明了季节性冻融作用对水汽热耦合运移研究中水力参数及水分相态转化过程的影响,探讨了水汽热耦合模型适用性,总结了温度梯度驱动下气态水运移规律及其重要性,并对该领域尚需加强研究的方向提出建议:1)聚焦"土壤-植被-大气"系统水循环过程,构建适用于季节性冻土区的包气带水汽热-植被耦合模型,探究土壤水资源生态效应,为植被恢复与生态系统稳定提供理论指导;2)在寒旱区工程建设中考虑气态水的影响,明确覆盖层下水汽运移机理,对建设过程中由水汽运移引起的工程病害提出具体防治措施.通过本研究梳理归纳以期为深化包气带水汽热耦合运移理论以及解决季节性冻土区相关实际问题提供科学依据与参考. |
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AbstractList | S152.7; 季节性冻土区占据中国超过一半的国土面积,冻融作用会显著改变土壤性质与包气带水、热传输过程,并且由于温度与气态水对土壤水分运移影响显著,开展水汽热耦合研究对于探究季节性冻土区土壤水循环过程十分关键.该研究综述了包气带水汽热耦合运移理论的提出与发展历程,阐明了季节性冻融作用对水汽热耦合运移研究中水力参数及水分相态转化过程的影响,探讨了水汽热耦合模型适用性,总结了温度梯度驱动下气态水运移规律及其重要性,并对该领域尚需加强研究的方向提出建议:1)聚焦"土壤-植被-大气"系统水循环过程,构建适用于季节性冻土区的包气带水汽热-植被耦合模型,探究土壤水资源生态效应,为植被恢复与生态系统稳定提供理论指导;2)在寒旱区工程建设中考虑气态水的影响,明确覆盖层下水汽运移机理,对建设过程中由水汽运移引起的工程病害提出具体防治措施.通过本研究梳理归纳以期为深化包气带水汽热耦合运移理论以及解决季节性冻土区相关实际问题提供科学依据与参考. |
Author | 卢玉东 刘秀花 陈云飞 郑策 高万德 |
AuthorAffiliation | 长安大学水利与环境学院,西安 710064 |
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Author_FL | Liu Xiuhua Gao Wande Zheng Ce Chen Yunfei Lu Yudong |
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Title | 季节性冻土区包气带水汽热耦合运移研究进展 |
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