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土壤非饱和带中的优先流

刘亚平 陈川

刘亚平, 陈川. 土壤非饱和带中的优先流[J]. 水科学进展, 1996, 7(1): 85-89.
引用本文: 刘亚平, 陈川. 土壤非饱和带中的优先流[J]. 水科学进展, 1996, 7(1): 85-89.
Yaping Liu, Chuan Chen. Introduction to Preferential Flow in Unsaturated Soil[J]. Advances in Water Science, 1996, 7(1): 85-89.
Citation: Yaping Liu, Chuan Chen. Introduction to Preferential Flow in Unsaturated Soil[J]. Advances in Water Science, 1996, 7(1): 85-89.

土壤非饱和带中的优先流

详细信息
  • 中图分类号: P641.2

Introduction to Preferential Flow in Unsaturated Soil

  • 摘要: 优先流是近年来研究土壤水运动所提出的术语。在某些条件下,水分在非饱和带中的运移不是简单的一维垂直向下流动,而是越过大部分土壤的体积沿着优先途径流动。优先流通常分为三类:大孔隙流,漏斗流,指流。本文分别介绍了这三类流动形式,并回顾了有关优先流的理论和实验的研究成果。
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    [11] C Chen, D M Thomas,R E Green, and R J Wagenet. Two-domain estimation of hydraulic properties in macropore soils. Soil Science Society American Journal. 1993,57 (3):680-683
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    [13] Y Liu,T S Steenhuis,J-Y Parlange,and J S Selker. Hysteretic finger phenomena in dry and wetted sands. Proceedings of the American Society of Agricultural Engineers National Symposium on Preferential Flow. Chicago, IL.,USA.,Dec. 16-17. 1991,160-172
    [14] Y Liu,J-Y Parlange, and T S Steenhuis. Closed form solution for finger width in sandy soils at different water contents. Water Resources Research. 1994,30 (4):949-952
    [15] Y Liu,B Bierck,J S Selker, T S Steenhuis,and J-Y Parlange. High intensity x-ray and tensiometer measurements in rapidly changing preferential flow fields. Soil Science Society American Journal. 1993,57:1188-1192
    [16] P A C Raats. Unstable wetting fronts in uniform and nonuniform soils. Soil Science Society American Proceeding. 1973,37:681-685
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出版历程
  • 收稿日期:  1994-07-10
  • 修回日期:  1994-12-20
  • 刊出日期:  1996-01-25

土壤非饱和带中的优先流

  • 中图分类号: P641.2

摘要: 优先流是近年来研究土壤水运动所提出的术语。在某些条件下,水分在非饱和带中的运移不是简单的一维垂直向下流动,而是越过大部分土壤的体积沿着优先途径流动。优先流通常分为三类:大孔隙流,漏斗流,指流。本文分别介绍了这三类流动形式,并回顾了有关优先流的理论和实验的研究成果。

English Abstract

刘亚平, 陈川. 土壤非饱和带中的优先流[J]. 水科学进展, 1996, 7(1): 85-89.
引用本文: 刘亚平, 陈川. 土壤非饱和带中的优先流[J]. 水科学进展, 1996, 7(1): 85-89.
Yaping Liu, Chuan Chen. Introduction to Preferential Flow in Unsaturated Soil[J]. Advances in Water Science, 1996, 7(1): 85-89.
Citation: Yaping Liu, Chuan Chen. Introduction to Preferential Flow in Unsaturated Soil[J]. Advances in Water Science, 1996, 7(1): 85-89.
参考文献 (20)

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