春季温瑞塘河水质的昼夜变化规律及评价  

Diurnal variation and evaluation of water quality of the Wen-Rui Tang River in spring

作　　者：纪晓亮[1] 李鹏程[1] 商栩[1] 朱元励[1] Randy Dahlgren 张明琴 

机构地区：[1]温州医学院温州市水域科学与环境生态重点实验室,温州325035 [2]加州大学戴维斯分校陆地,大气及水资源系,美国加州95616 [3]温州环保局环境监测站,温州325001

出　　处：《环境化学》2013年第11期2082-2089,共8页Environmental Chemistry

基　　金：浙江省科技厅重大专项(2008C03009);温州市重大专项(20082780125);温州市科技局对外科技合作交流项目(H20100006)资助

摘　　要：2012年春季对温瑞塘河水质进行连续26 h的采样监测,并运用水质标识指数法评价了监测站点1 d内连续的水质变化情况.研究目的是调查春季温瑞塘河水质的昼夜变化规律、变化幅度和原因.结果表明,监测点的塘河水质污染程度较高,光合有效辐射(PAR)、温度(Temp)、pH、溶解氧(DO)、总氮(TN)、氨氮(NH+4-N)、硝氮(NO-3-N)、总磷(TP)和溶解性有机碳(DOC)都存在明显的昼夜变化现象.运用水质标识指数法评价监测站点的水质情况,评价结果显示在连续1 d的实验中,水质情况都是劣于Ⅴ类并呈现出白天污染程度降低,夜间污染程度升高的趋势.Based on the investigation of water quality of Wen-Rui Tang River for 26 hours in spring, 2012, we assessed the diurnal variation of water quality and discussed the reasons that could cause such phenomenon. The characteristics of water quality changes within a day were also analyzed by using comprehensive water quality identification index. The results showed that the water of Wen-Rui Tang River was polluted seriously, and the diurnal variation of photosynthetically active radiation, temperature, pH, DO, TN, NH4 -N, NO3- -N, TP and DOC was obvious. The results of comprehensive water quality identification index indicated that the water quality for all of the monitoring time was inferior to the class V of surface water and presented the trend that the pollution level declined in the daytime and increased at night.

关 键 词：温瑞塘河 昼夜变化 水质标识指数 

分 类 号：X832[环境科学与工程—环境工程]