基于多重分形理论的土壤水非均匀流动分析

朱磊; 周清; 王康; 杨金忠

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基于多重分形理论的土壤水非均匀流动分析

朱磊, 周清, 王康, 杨金忠

文章导航 > 水科学进展 > 2009 > 20(3): 392-397

朱磊, 周清, 王康, 杨金忠. 基于多重分形理论的土壤水非均匀流动分析[J]. 水科学进展, 2009, 20(3): 392-397.

引用本文:

朱磊, 周清, 王康, 杨金忠. 基于多重分形理论的土壤水非均匀流动分析[J]. 水科学进展, 2009, 20(3): 392-397.

ZHU Lei, ZHOU Qing, WANG Kang, YANG Jin-zhong. Analysis of the heterogeneous soil water flow based on the multifractal theory[J]. Advances in Water Science, 2009, 20(3): 392-397.

Citation:

ZHU Lei, ZHOU Qing, WANG Kang, YANG Jin-zhong. Analysis of the heterogeneous soil water flow based on the multifractal theory[J]. Advances in Water Science, 2009, 20(3): 392-397.

基于多重分形理论的土壤水非均匀流动分析

朱磊¹,
周清²,
王康^2,,
杨金忠²

1.
河海大学南方地区高效灌排与农业水土环境教育部重点试验室, 江苏, 南京, 210098;
2.
武汉大学水资源与水电工程科学国家重点实验室, 湖北, 武汉, 430072

基金项目: 国家重点基础研究发展计划(973)资助项目(2006CB403404);国家自然科学基金资助项目(50639040;50609019)

详细信息

作者简介:
朱磊(1980- ),男,宁夏人,博士,主要从事土壤水及地下水环境方面的研究.E-mail:whuzhulei@yahoo.com.cn

通讯作者:
王康,E-mail:wwangkang@163.com

中图分类号: P641.2

Analysis of the heterogeneous soil water flow based on the multifractal theory

1.
Key Laboratory of Efficiency Irrigation-Drainage and Agricultural Soil-Water Environment in Southern China, Ministry of Education, Hohai University, Nanjing 210098, China;
2.
State Key Laboratory of Water Resources and Hydropower Engineering Sciences, Wuhan 430072, China

Funds: The study is financially supported by the National Basic Research Program of China(No12006CB4034040)and the National Natural ScienceFoundation of China(No150639040;NO.50609019).

摘要: 通过显色示踪方法研究了粘土土质、不同边界条件下的非均匀流动模式。20,40,60和80 mm的4组入渗水量条件下流动模式由面积较小的优先流逐步过渡到局部和全局性基质流,采用最大入渗深度分布和实际入渗深度分布对非均匀流动进行了特征,4组试验非均匀流动均具有多重分形性质,多重分形谱与流动非均匀性具有显著的关系,非均匀流动多重分形谱的基本性状由土壤介质性质决定,而流动的非线性主要影响多重分形谱曲线形状。
- 多重分形理论 /
- 土壤水 /
- 非均匀流动 /
- 流动模式
Abstract: Heterogeneous soil water flow was investigated by using the iodine-starch staining patterns.The field experiments were conducted at four plots with ponding water depths of 20,40,60,and 80 mm,respectively.The stained patterns of soil profiles show that soil water flow changes from the preferential flow with a few flows path and low stained coverage to the homo-geneous infiltration of the decreased unstained areas with the increase of ponding water depths.The redistribution of infiltration water is mainly influenced by the stained patterns.Flow patters are characterized by using the distributions of the maximum and actual depths.The heterogeneous soil water flow patterns from the four experiments show the multifractal nature.The flow heterogeneity is closely correlated to the multifractal spectrum.The constitutive properties of the fractal spectrum function are determined by the soil texture,whereas the range and shape of the function are affected by the nonlinearity of the heterogeneous flow.
- muetifractal theory /
- soil water /
- heterogeneous flow /
- flow pattern

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基于多重分形理论的土壤水非均匀流动分析

1. 河海大学南方地区高效灌排与农业水土环境教育部重点试验室, 江苏, 南京, 210098;

2. 武汉大学水资源与水电工程科学国家重点实验室, 湖北, 武汉, 430072

基金项目: 国家重点基础研究发展计划(973)资助项目(2006CB403404);国家自然科学基金资助项目(50639040;50609019)

作者简介:
朱磊(1980- ),男,宁夏人,博士,主要从事土壤水及地下水环境方面的研究.E-mail:whuzhulei@yahoo.com.cn

通讯作者: 王康,E-mail:wwangkang@163.com

收稿日期: 2008-06-30
刊出日期: 2009-05-25

中图分类号: P641.2

关键词:

多重分形理论 /

土壤水 /

非均匀流动 /

流动模式

摘要: 通过显色示踪方法研究了粘土土质、不同边界条件下的非均匀流动模式。20,40,60和80 mm的4组入渗水量条件下流动模式由面积较小的优先流逐步过渡到局部和全局性基质流,采用最大入渗深度分布和实际入渗深度分布对非均匀流动进行了特征,4组试验非均匀流动均具有多重分形性质,多重分形谱与流动非均匀性具有显著的关系,非均匀流动多重分形谱的基本性状由土壤介质性质决定,而流动的非线性主要影响多重分形谱曲线形状。

English Abstract

Analysis of the heterogeneous soil water flow based on the multifractal theory

1. Key Laboratory of Efficiency Irrigation-Drainage and Agricultural Soil-Water Environment in Southern China, Ministry of Education, Hohai University, Nanjing 210098, China;

2. State Key Laboratory of Water Resources and Hydropower Engineering Sciences, Wuhan 430072, China

Funds: The study is financially supported by the National Basic Research Program of China(No12006CB4034040)and the National Natural ScienceFoundation of China(No150639040;NO.50609019).

Received Date: 2008-06-30
Publish Date: 2009-05-25

Keywords:

Abstract: Heterogeneous soil water flow was investigated by using the iodine-starch staining patterns.The field experiments were conducted at four plots with ponding water depths of 20,40,60,and 80 mm,respectively.The stained patterns of soil profiles show that soil water flow changes from the preferential flow with a few flows path and low stained coverage to the homo-geneous infiltration of the decreased unstained areas with the increase of ponding water depths.The redistribution of infiltration water is mainly influenced by the stained patterns.Flow patters are characterized by using the distributions of the maximum and actual depths.The heterogeneous soil water flow patterns from the four experiments show the multifractal nature.The flow heterogeneity is closely correlated to the multifractal spectrum.The constitutive properties of the fractal spectrum function are determined by the soil texture,whereas the range and shape of the function are affected by the nonlinearity of the heterogeneous flow.

朱磊, 周清, 王康, 杨金忠. 基于多重分形理论的土壤水非均匀流动分析[J]. 水科学进展, 2009, 20(3): 392-397.

引用本文:

朱磊, 周清, 王康, 杨金忠. 基于多重分形理论的土壤水非均匀流动分析[J]. 水科学进展, 2009, 20(3): 392-397.

ZHU Lei, ZHOU Qing, WANG Kang, YANG Jin-zhong. Analysis of the heterogeneous soil water flow based on the multifractal theory[J]. Advances in Water Science, 2009, 20(3): 392-397.

Citation:

ZHU Lei, ZHOU Qing, WANG Kang, YANG Jin-zhong. Analysis of the heterogeneous soil water flow based on the multifractal theory[J]. Advances in Water Science, 2009, 20(3): 392-397.