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| 线性判别分析对舟山海洋站降水中常量阳离子含量的年度、季节特征分析 | |
| 引用本文： | 林雨霏,刘素美,纪雷,毕言锋,张经.线性判别分析对舟山海洋站降水中常量阳离子含量的年度、季节特征分析[J].环境科学,2006,27(10):1992-1997. |
| 作者姓名： | 林雨霏 刘素美 纪雷 毕言锋 张经 |
| 作者单位： | 1. 中国海洋大学化学化工学院,青岛,266003;山东检验检疫局技术中心,青岛,266002 2. 中国海洋大学化学化工学院,青岛,266003 3. 山东检验检疫局技术中心,青岛,266002 4. 中国海洋大学化学化工学院,青岛,266003;华东师范大学河口海岸国家重点实验室,上海,200062 |
| 基金项目： | 国家重点基础研究发展规划(973)项目(2006CB400601,2001CB409703);新世纪优秀人才支持计划项目(NCET-05-0593) |
| 摘 要： | 通过对舟山站点2002/2003年度降水中的6种常量阳离子H+、NH4+、K+、Na+、Ca2+、Mg2+近2a的连续观测,采用稳健统计分析对浓度范围及变化趋势进行了描述.利用线性判别分析对实验数据进行降维处理,得到线性判别曲面,对样本点在新正规变量空间的时间性分布特征进行了描述,依据正规变量的线性组合,解释了决定该样本点时间性特征分布的主要阳离子影响因素,并对造成异常样品点的影响因素进行了分析. |
| 关 键 词： | 舟山群岛 降水 常量阳离子 稳健统计分析 线性判别分析 |
| 文章编号： | 0250-3301（2006）10-1992-06 |
| 收稿时间： | 2005-11-02 |
| 修稿时间： | 2005-11-022006-01-24 |
Linear discriminate analysis on annual and seasonal characteristics of major cations' profiles of rainwater at Zhoushan rain-sampling spot |
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| LIN Yu-fei,LIU Su-mei,JI Lei,Bi Yan-feng and ZHANG Jing.Linear discriminate analysis on annual and seasonal characteristics of major cations' profiles of rainwater at Zhoushan rain-sampling spot[J].Chinese Journal of Environmental Science,2006,27(10):1992-1997. | |
| Authors: | LIN Yu-fei LIU Su-mei JI Lei Bi Yan-feng and ZHANG Jing |
| Institution: | 1. College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266003, China; 2. Chemicals and Minerals Laboratory, Qingdao Entry/Exit Inspection and Quarantine Bureau, Qingdao 266002, China,1. College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266003, China,2. Chemicals and Minerals Laboratory, Qingdao Entry/Exit Inspection and Quarantine Bureau, Qingdao 266002, China,1. College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266003, China,1. College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266003, China; 3. State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai 200062, China |
| Abstract: | Rainwater samples were collected at rain-sampling Spot of Zhoushan in 2002-2003. Major cation concentrations (H+, NH4+, K+, Na+, Ca2+, Mg2+) of rainwater sample were determined. The concentration variation range and character were depicted by robust statistic analysis. Linear discriminate analysis (LDA) was used to acquire a further knowledge on the annual and seasonal characteristics of research major cations. Distribution character of samples from sample spot was clearly depicted in the new CA1-CA2 ordinates generated by linear discriminate analysis, and the reasons that caused the outliers in samples were discussed. |
| Keywords: | Zhoushan Archipelago rainwater major cation robust statistic analysis linear discriminate analysis(LDA) |
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