白石水库总氮污染负荷分布组成特征分析  

Analysis of Distribution and Composition of Total Nitrogen Pollution Load in Baishi Reservoir

作　　者：娄利华 Lou Lihua(Liaoning Provincial Chaoyang Hydrology Bureau,Chaoyang 122000,China)

机构地区：[1]辽宁省朝阳水文局,辽宁朝阳122000

出　　处：《黑龙江水利科技》2024年第2期49-52,共4页Heilongjiang Hydraulic Science and Technology

摘　　要：文章结合白石水库2011—2020年各形态氮及总氮浓度监测数据,研究分析了入库支流总氮输出浓度特征、水库总氮的变化趋势及其主要来源,结合实际情况提出水源区总氮防控对策。结果表明:近10a白石水库总氮浓度稍有增加,总体处于0.5~1.0mg/L之间;大凌河、牤牛河和凉水河等入库河流总氮浓度略高,其中面源对总氮贡献率约60%,硝态氮为总氮主要成分。Based on the monitoring data of various forms of nitrogen and total nitrogen concentration in Baishi reservoir from 2011 to 2020,this paper studied and analyzed the characteristics of total nitrogen output concentration in tributaries,the variation trend of total nitrogen in reservoirs and its main sources,and put forward countermeasures for total nitrogen prevention and control in water source areas based on the actual situation.The results showed that the total nitrogen concentration in Baishi reservoir increased slightly in recent 10 years,and the total nitrogen concentration was in the range of 0.5~1.0mg/L.The total nitrogen concentration of Daling river,Mangniu river and Liangshui river was slightly higher,and the contribution rate of non⁃point source to total nitrogen was about 60%,and nitrate nitrogen was the main component of total nitrogen.

关 键 词：总氮浓度 污染负荷 组成特征 防治对策 白石水库 

分 类 号：X524[环境科学与工程—环境工程] TV697[水利工程—水利水电工程]