中国各省区环境污染的动态趋势与影响因素分析

Analysis on Environmental Pollution Dynamic Trends and Influencing Factors in China

在充分了解前人所做环境质量分析与评价的基础上,采用多元统计中的主成分分析方法,利用Matlab软件对全国各省市自治区2001到2005年的水环境、大气环境和固体污染物三方面的污染状况进行了定量化分析。给出了各省市2001与2005年环境污染水平的排序,并分析了各省市区环境质量变化的主要影响因素,以期为各地区及全国的环境管理和规划、环境工程、环境污染综合防治与决策、环境保护政策的制定等提供科学依据。

On the basis of fully understanding our predecessors＇work in analyzing and evaluating environment quality, the paper employed the principal component analysis method and the Maflab software to make quantitative analysis on water, air and solid pollutants in 2001 and 2005. The paper rank the level of environmental pollution of each province and analyzed the main factors which caused environmental quality changes in order to provide scientific basis for regional and national environmental management and planning, environmental engineering, pollution prevention and decision-making and environmental protection policies making.