摘要
将吉林省内松花江流域的水环境特征作为切入点,并借鉴已有的水环境评价理论,选取其中12个指标,采用松花江流域(吉林省部分)2000—2009年数据资料,利用主成分分析法(PCA)得到影响松花江流域(吉林省部分)水环境可恢复性的主要成分和各年的综合主成分值随时间变化情况.结果表明,该流域2000年—2009年水环境可恢复性整体呈现逐年增强的趋势.
From the Songhua River Basin（ Jilin province） characteristics of water environment,based on the definition of the recoverability of water environment and water environment evaluation index system of recoverability,12 indicators were selected,ten years＇ data of the Songhua River Basin（ Jilin province） from 2000 to 2009 were collected,and principal component analysis（ PCA） was used to obtain the main components influencing the water environmental resilience of the Songhua River Basin and the yearly comprehensive principal component value varying with time. The evaluation results showed that the water environmental resilience of the Songhua River Basin increased yearly from 2000 to 2009.
出处
《吉林师范大学学报（自然科学版）》
2015年第1期143-146,共4页
Journal of Jilin Normal University:Natural Science Edition
基金
吉林省科技发展计划项目(20120692)
关键词
松花江
吉林省
水环境
可恢复性评价
Songhua river
Jilin province
water environment
recoverability evaluation
