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Position: Home > Articles > Correlation analysis of water quality and storage variables of Yanghe Reservoir under changeable environment Water Resources Development and Management 2019 (10) 16-19

变化环境下洋河水库水质及蓄水变量相关性分析

作  者:
赵秋娜
单  位:
河北省秦皇岛水文水资源勘测局
关键词:
洋河水库;富营养化;灰色关联分析法;蓄水变量
摘  要:
随着环保力度加强,2015年开始,洋河流域先后采取了大量工程及管理措施,流域情况已随之发生变化。本文选取了2014—2018年逐月水质评价数据,结合水温指标,从水库蓄水变量相关性角度尝试分析了洋河水库水质营养化情况。首次运用灰色关联分析法将2014—2018年蓄水变量数据、叶绿素a和总磷、总氮的叠加数据分别进行关联分析。经研究,蓄水变量关联度最好年份为2015年,最差年份为2016年;叶绿素a关联度最好年份为2017年,最差年份为2018年。
译  名:
Correlation analysis of water quality and storage variables of Yanghe Reservoir under changeable environment
作  者:
ZHAO Qiuna;Hebei Qinhuangdao Hydrology and Water Resources Investigation Bureau;
关键词:
Yanghe Reservoir;;eutrophication;;grey relational analysis method;;water storage variable
摘  要:
With the strengthening of environmental protection, the Yanghe River basin has taken a large number of engineering and management measures since 2015, and the basin situation has changed accordingly. Based on the monthly water quality evaluation data from 2014 to 2018, and combined with water temperature index, this paper attempts to analyze the eutrophication of Yanghe Reservoir from the perspective of correlation with reservoir storage variables. For the first time, grey correlation analysis was applied to analyze the water storage variable data, chlorophyll a and the superposition data of total phosphorus and total nitrogen from 2014 to 2018 respectively. According to research, the correlation degree of water storage variables is best in 2015 and worst in 2016. The best year for chlorophyll a correlation is 2017, and the worst year is 2018.

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