| 利用CT扫描技术确定土壤大孔隙分形维数 |
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| 引用本文： | 冯杰,于纪玉.利用CT扫描技术确定土壤大孔隙分形维数[J].灌溉排水学报,2005,24(4):26-28,40. |
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| 作者姓名： | 冯杰 于纪玉 |
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| 作者单位： | 1. 河海大学,水文水资源与水利工程科学国家重点实验室,江苏,南京,210098
2. 河海大学,水文水资源与水利工程科学国家重点实验室,江苏,南京,210098;山东水利职业学院,山东,日照,276826 |
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| 基金项目： | 水资源开发教育部重点实验室（河海大学）开放基金项目（2003400319） |
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| 摘 要： | 土壤大孔隙的大小、形状和分布对水及溶质在土壤中的运移有着深刻影响,由于土壤大孔隙的分布呈现分形规律,根据采用CT扫描法得到的原状土柱各断面图像,采用计盒维数法计算出各断面土壤大孔隙的分形维数。
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| 关 键 词： | 大孔隙 CT扫描 分形维数 |
| 文章编号： | 1000-646X（2005）04-0026-03 |
| 收稿时间： | 2005-04-01 |
| 修稿时间： | 2005-04-01 |
Determination Fractal Dimension of Soil Macropore Using Computed Tomography |
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| FENG Jie,YU Ji-yu.Determination Fractal Dimension of Soil Macropore Using Computed Tomography[J].Journal of Irrigation and Drainage,2005,24(4):26-28,40. |
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| Authors: | FENG Jie YU Ji-yu |
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| Institution: | 1. State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing 210008, China; 2. Shandong Water Conservancy Vocational College, Rizhao 276826, China |
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| Abstract: | The size, shape, and distribution of macropore play an important role in the transport of water and solutes through soil. Because the distribution of macropore exhibit fractal rule, this study applies the method of box-counting dimension to obtain fractal dimension of macropore in every section base on the scanning images of every section in undisturbed soil by CT. |
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| Keywords: | macropore CT scanning fractal dimension |
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