摘要
在环境质量评价中,环境系统包含的信息是不完全的和非确定性的,因此环境系统是一个灰色系统,传统的评价方法已不能满足要求,灰色聚类分析方法正是考虑了环境系统这一特点,因此现已被成功地运用于环境质量评价中。采用灰色聚类分析对西安某河流进行评价,并运用主成分分析各年之间的污染程度以及各污染指标之间相互关系,有效地提取了信息。
In environmental quality assessment, environmental information systems are included in incomplete and non -deterministic, so the environment is a gray system, the traditional evaluation methods can not meet the requirements. The gray cluster analysis method considered the characteristics of environmental systems, it has now been successfully applied to evaluation of environmental quality. In this paper, the gray cluster analyzed a river of Xi＇an, and the principal component analysis analyzed pollution and the pollution degree, showed the relationships pollution targets and extracted effective information.
出处
《环境科学与管理》
CAS
2009年第10期189-191,194,共4页
Environmental Science and Management
关键词
环境质量评价
灰色聚类分析
主成分分析
enviromnental quality assessment
gray cluster analysis
principal component analysis
