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引用本文:翟淑华,韩涛,陈方.基于质量平衡的太湖氮、磷自净能力计算.湖泊科学,2014,26(2):185-190. DOI:10.18307/2014.0203
ZHAI Shuhua,HAN Tao,CHEN Fang.Self-purification capacity of nitrogen and phosphorus of Lake Taihu on the basis of mass balance. J. Lake Sci.2014,26(2):185-190. DOI:10.18307/2014.0203
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基于质量平衡的太湖氮、磷自净能力计算
翟淑华1, 韩涛2, 陈方1
1.水利部太湖流域管理局, 上海 200434;2.中国科学院南京地理与湖泊研究所湖泊与环境国家重点实验室, 南京 210008
摘要:
以太湖为研究对象,利用2010年实测的进出太湖的水量和水质资料计算了太湖水体自净能力,在分析河道入湖、降雨、调蓄量等入湖水量水质基础上,探索了基于质量平衡原理的太湖总氮、总磷自净能力计算方法.结果显示,通过考虑出入湖负荷量的方法得到太湖总磷和总氮的自净率约为48%和42%,采用基于质量平衡原理得到太湖总磷和总氮的自净率分别约为52%和49%.另外,还分析了这两种方法的优缺点,提出进一步研究太湖自净能力的工作方向.
关键词:  太湖      自净能力  质量平衡
DOI:10.18307/2014.0203
分类号:
基金项目:水利部公益性行业科研专项项目(201101025)资助
Self-purification capacity of nitrogen and phosphorus of Lake Taihu on the basis of mass balance
ZHAI Shuhua1, HAN Tao2, CHEN Fang1
1.Water Resources Protection Bureau, Taihu Basin Authority, Ministry of Water Resources, Shanghai 200434, P. R. China;2.State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, P. R. China
Abstract:
On the basis of mass balance and the observed data of water quantity and in the flow-in and out rivers of Lake Taihu in 2010, the computation methods of the self-purification capacity of total phosphorus and total nitrogen of Lake Taihu are discussed. The results show that the self-purification ratio of total phosphorus and total nitrogen of Lake Taihu are about 48% and 42%, respectively, with the consideration of nutrients flowing in and out of Lake Taihu. While the self-purification ratio of total phosphorus and total nitrogen of Lake Taihu are about 52% and 49%, respectively, on the basis of mass balance. The merit and demerit of the two methods are figured out and prospected for further research is illustrated.
Key words:  Lake Taihu  nitrogen  phosphorus  self-purification capacity  mass balance
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