太湖水体的变化趋势(2007-2017年)  

Changes in Lake Taihu, 2007-2017

作　　者：吴贝 况世昌 韩继宏 龙兴权 李筱雯 Wu Bei;Kuang Shichang;Han Jihong;Long Xingquan;Li Xiaowen(Hubei Huada Real Science&Technology Co.,LD.,Jingzhou Hubei 430070,China)

机构地区：[1]湖北华大瑞尔科技有限公司,湖北荆州430070

出　　处：《环境与发展》2018年第10期196-197,共2页Environment & Development

基　　金：科技部科技型中小企业技术创新基金项目(14C26214202388)

摘　　要：为了解太湖近10年水质变化,对2007-2017年太湖水质重要指标进行了统计分析,为下一步治理太湖提供参考。结果显示,2008年总磷浓度由Ⅴ类变为Ⅳ类,至今一直维持在Ⅳ类标准;2009年湖体从中度富营养状态降为轻度富营养状态;2014年总氮浓度逐年降低,由劣Ⅴ类变为Ⅴ类;从2015年至今高锰酸钾指数和氨氮含量均稳定在Ⅱ类以上;湖体综合营养状态指数呈降低趋势。目前,虽然太湖水质大势向好,但治理太湖的难点仍然在控磷降氮上。To acquaint the changes of Taihu Lake the most recent decade,the study on key indicator of water quality from 2007 to 2017 was conducted.It provide a reference to control.The results showed that total phosphorus was changed fromⅤintoⅣin 2008 and maintainedⅣever since,lake water body was fell to light eutrophication level from mid-eutrophication level in 2009,total nitrogen was gradually decreased,changing from badⅤintoⅤin 2014,since 2015 potassium permanganate index and ammonia concentration maintained aboveⅡ,comprehensive index of nutrient condition showed a declining tendency in recent years.At present,the water quality of Taihu Lake was better,but the major difficulty was to control P and reduce N.

关 键 词：太湖 高锰酸钾指数 氨氮 总磷 总氮 

分 类 号：X832[环境科学与工程—环境工程]