摘要
为了解兴隆水库水体营养盐时空分布和水质现状,分别于2016年5月和7月在湖区内设置5个采样断面,分析了水体的理化指标和氮磷营养盐的特征指标。结果表明,兴隆水库水质具有明显的季节性,水质pH值偏碱性,溶解氧丰富,平均值高于8mg/L,总磷均超过0.2mg/L,总氮均超过1.2mg/L,三态氮中氨氮和硝态氮占主要比重,高锰酸盐指数超过地表水环境标准(GB3838-2002)Ⅲ类标准。兴隆水库营养盐浓度超负荷,需从连续实时监测水质、准确定位水库功能以及采取生物净水技术方面进行生态治理。
Nitro gen and Phosphorus are the primary pollutants and main indicators of eutrophication in xinglong Reservoir. In this study, the spatial-temporal distribution of nitrogen and phosphorus and water quality condition in xinglong Reservoir were investigated.The study was carried out in May and July 2016 at 5 sampling stations in reservoir. The results indicate that nutrient salt of nitrogen and phosphorous varied obviously with the seasons, the p H value of water quality showed alkaline, the concentration of dissolved oxygen is high(average>8 mg/L). The concentration of TN all over 1.2 mg/L and the concentration of TP all over 0.2 mg/L. The concentration of ammonia and nitrate main proportion on the inorganic nitrogen. The permanganate indexes were exceed the level Ⅲ of environmental quality standards for surface water(GB3838-2002). The nutrient concentrations overload in Xinglong reservoir, should be continuous real-time monitoring of water quality, accurate positioning the reservoir function and adopt biological water purification technology.
引文
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