主成分分析法在农村饮水水质卫生评价中的应用

Application of Principal Component Analysis on the Quality Assessment of Drinking Water in Rural Areas of Beijing

目的应用主成分分析评价2011年北京市农村饮水安全工程供水水质,以了解影响本市农村饮用水水质的主要因素。方法主成分分析对6类农村饮用水进行综合评价。结果 6类农村饮用水从优到劣的结果为完全处理(丰)、完全处理(枯)、部分处理(丰)、部分处理(枯)、未处理(丰)、未处理(枯)。总体水质状况有处理优于未处理、完全处理优于部分处理、丰水期水质优于枯水期水质。结论应加强农村改水工作,完善水处理,以确保农村饮水卫生安全。

Objectives To apply a principal component analysis on the quality assessment of drinking water and to investigate the main factors affecting the safety of rural drinking water engineering in Beijing in 2011. Methods Principal component analysis was used to have a comprehensive evaluation on the quality of 6 kinds of rural drinking water supply. Results The quality of 6 kinds of rural drinking water arrayed from the best to the worst were： full treated water in wet period, full treated water in dry period, parts treated water in wet period, parts treated water in dry period, untreated water in wet period and untreated water in dry period. Conclusions Reforming rural drinking water supply and improving water treatment should be strengthened to ensure the safety of rural drinking water supply.