水利水电技术2013，Vol.44Issue(7)：31-33,3.
滦河下游河流健康评价研究
Study on river health assessment of Lower Luanhe River
摘要
Abstract
Aiming at solving the problem that it is difficult to determine the index weight with so many assessment methods during the assessment on river health,an improved principal component analysis based comprehensive assessment method is applied to realize the assessment on the river health grade.By this method,the original data standardizing treatment is analyzed by replacing the traditional data standardizing method with a new data standardizing method and then the problem of the loss of part of information from the original data is overcome.Meanwhile,the human disturbance from the subjective weight is avoided by taking the contribution rate of principal component,which makes the assessment result is much more objective and true.By taking 8 river reaches of the Lower Luanhe River in Tangshan District as the actual calculation cases,it is obtained that the all the river reaches within the study area are under the sub-health status; in which the health indexes of the reaches such as Yutian,Fengrun,Luanxian,etc.are close to the critical values of the ill health status.Therefore,it is suggested that the environment protection of the reaches of the Lower Luanhe River must be strengthened.关键词
河流健康评价/改进主成分分析/环境保护/滦河下游Key words
river health assessment/ improved principal component analysis/ environmental protection/ Lower Luanhe River分类
建筑与水利引用本文复制引用
魏明华,郑志宏..滦河下游河流健康评价研究[J].水利水电技术,2013,44(7):31-33,3.基金项目
水利部公益性行业专项经费项目(200801015) （200801015）
华北水利水电学院高层次人才科研启动项目资助 （）
河南省高校青年骨干教师资助计划项目(2010GGJS-126) （2010GGJS-126）
河南省教育厅自然科学研究计划项目(2011A570009). （2011A570009）
