主成分分析方法在农田土壤环境评价中的应用

采用主成分分析方法对乌兰浩特地区农田土壤污染状况进行分析,以此来探索对农田土壤污染物进行判定和识别,并对土壤环境质量的状况进行评价和分级。结果表明:利用主成分分析方法可以有效地识别土壤污染物中的主要成分,揭示土壤污染物相互间的内在关系,可对定量化的土壤复合污染研究或对土壤环境质量评价提供依据,说明主成分分析法是一种切实可行的分析方法。

Application of Principal Component Analysis Method to Agricultural Soil Environmental Assessment

Pollution status of farmland soil in Ulan Hot area was analyzed with the principal component analysis method(PCA) to explore the determination and identification of pollution of farmland soil,and also to assess and classify the status of the soil environment quality.The study implied that PCA was advantageous in the assessment of complex soil contamination and classification of soil environmental quality,reviewed the relations among the contaminations,and could be used in soil pollutants identification and soil environment assessment as well.The method was a feasible analysis method.