Analysis of infiltration of 2D trickle irrigation under multiple-line sources

被引:2
作者
Chen, Jiann-Mou [3 ]
Tan, Yih-Chi [1 ,2 ]
Wu, Yu-Zhang
机构
[1] Natl Taiwan Univ, Dept Bioenvironm Syst Engn, Taipei 106, Taiwan
[2] Natl Taiwan Univ, Hydrotech Res Inst, Taipei 106, Taiwan
[3] Hwa Hsia Inst Technol, Dept Construct Management, Taipei 235, Taiwan
关键词
trickle irrigation; volumetric water content; infiltration; Fourier integral transformation;
D O I
10.1002/hyp.6862
中图分类号
TV21 [水资源调查与水利规划];
学科分类号
081501 ;
摘要
The analysis of infiltration of 2D trickle irrigation under multiple-line sources, governed by the celebrated Richards equation, is performed, aiming at determining the efficiency of trickle irrigation so as to reduce the water demand. A closed-form solution is explicitly obtained by utilizing the Fourier integral transformation, and this serves as a means to compute the distribution of volumetric water content during trickle irrigation. Results for the infiltration of 2D trickle irrigation under single line and multiple-line sources are presented, which illustrate the distribution of infiltration water that diffuses into the soil, and make it possible to calculate the period of time required for trickle irrigation for different plants. The results can be applied to verify complicated solutions from other numerical models. Copyright (c) 2007 John Wiley & Sons, Ltd.
引用
收藏
页码:2657 / 2666
页数:10
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