Application of Fuzzy Clustering Analysis in Classification of Soil in Qinghai and Heilongjiang of China

被引:0
作者
Han, Ping [1 ]
Wang, Jihua [1 ]
Ma, Zhihong [1 ]
Lu, Anxiang [1 ]
Gao, Miao [1 ]
Pan, Ligang [1 ]
机构
[1] Beijing Res Ctr Agrifood Testing & Farmland Monit, Beijing 100097, Peoples R China
来源
COMPUTER AND COMPUTING TECHNOLOGIES IN AGRICULTURE IV, PT 1 | 2011年 / 344卷
关键词
fuzzy clustering analysis; soil classification; elements;
D O I
暂无
中图分类号
S [农业科学];
学科分类号
09 ;
摘要
Soil classification systems organize soil variability into useful groupings that can be identified by field investigation and documented in soil survey, and form the basis for the exchange and extension of soil science research and soil resources management. Fuzzy clustering analysis may be used whenever a composite classification of soil incorporates multiple parameters. In this paper, seventy-seven topsoil samples were collected from Qinghai and Heilongjiang of China, and the element contents of topsoil were detected by wavelength dispersive X-ray fluorescence spectroscopy. In fuzzy clustering analysis, all data were standardized, and then a fuzzy similarity matrix was established and the fuzzy relation was stabilized. The results showed that topsoil samples of Qinghai and Heilongjiang were completely grouped into two clusters according to their districts, when given a suitable threshold lambda= 0.7580. This work supplied the quantification classification method of alpine soil (Qinghai) and unsaturation siallitic soil (Heilongjiang).
引用
收藏
页码:282 / 289
页数:8
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