基于土壤学知识的主成分分析判断土壤重金属来源

doi:10.13249/j.cnki.sgs.2008.01.45

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地理科学 ›› 2008, Vol. 28 ›› Issue (1) : 45-50. DOI: 10.13249/j.cnki.sgs.2008.01.45

论文

基于土壤学知识的主成分分析判断土壤重金属来源

赵彦锋^1,4, 郭恒亮^1,4, 孙志英², 史学正², 吴克宁³

作者信息 +

Principle Component Analyses Based on Soil Knowledge as a Tool to Indicate Origin of Heavy Metals in Soils

ZHAO Yan-Feng^1,4, GUO Heng-Liang^1,4, SUN Zhi-Ying², SHI Xue-Zheng², WU Ke-Ning³

Author information +

文章历史 +

摘要

以无锡城乡交错区和郑州市郊区为例,基于土壤学知识,在主成分分析中综合运用土壤基本理化性质和土壤重金属数据对土壤重金属的主要来源进行分析,讨论不同采样方案对主成分分析结果的影响。结果表明:基于土壤学知识的主成分分析有助于增强对数据分析结果的解释,区分土壤重金属的不同来源,但运用该法时应考虑到采样方案对分析结果的影响。

Abstract

Fristly, the origin of heavy metals in soils were researched with the aid of Principle Component Analyses (PCA) in Wuxi peri-urban area and in Zhengzhou suburb. In PCA, combined with soil heavy metals, soil basic properties were also utilized based on soil knowledge. Secondly, the results of PCA based on different sampling designs were compared. The results of this paper showed that it was helpful to distinguish the sources of heavy metals in soils using PCA based on soil knowledge. However the errors of PCA caused by unreasonable sampling designs should be noticed.

导出引用

赵彦锋, 郭恒亮, 孙志英, 史学正, 吴克宁. 基于土壤学知识的主成分分析判断土壤重金属来源[J]. 地理科学, 2008, 28(1): 45-50 https://doi.org/10.13249/j.cnki.sgs.2008.01.45

ZHAO Yan-Feng, GUO Heng-Liang, SUN Zhi-Ying, SHI Xue-Zheng, WU Ke-Ning. Principle Component Analyses Based on Soil Knowledge as a Tool to Indicate Origin of Heavy Metals in Soils[J]. SCIENTIA GEOGRAPHICA SINICA, 2008, 28(1): 45-50 https://doi.org/10.13249/j.cnki.sgs.2008.01.45

中图分类号： S131.3/S159.2/S153.6

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