IMECH-IR  > 环境力学重点实验室(2009-2011)
Numerical Study on the Spatial and Temporal Characteristics of Water Quality in the Taihu Lake of China
Liu QQ(刘青泉); Xu XF(许旭锋); Yin XL
Source PublicationHydrology Conference 2010 (The Changing Physical and Social Environment: Hydrologic Impacts and Feedbacks).San Diego, CA, USA.2010-10-11~ 2010-10-13.
2010-12-27
Conference NameHydrology Conference 2010 (The Changing Physical and Social Environment: Hydrologic Impacts and Feedbacks)
Conference Date2010-10-11~ 2010-10-13
Conference PlaceSan Diego, CA, USA
AbstractTaihu Lake is the third largest fresh water lake in China. With the fast economic development, abundant industrial and agricultural waste water has been discharged into Taihu Lake, causing the eutrophication of the water quality, which greatly affected the water utility. In the past decades, the treatment of Taihu Lake has witnessed limited success. Therefore, it is practically and theoretically significant to study the eutrophication of Taihu Lake. This research has focused on the issue of water quality including the characteristics of spatial and temporal distributions, and the rules of nutrient diffusion in the Taihu lake area. Based on the monitoring data, the basis distribution characteristics of water quality in Taihu Lake are analyzed. Comparing Taihu Lake with other Lakes shows that one important reason for Taihu eutrophication is the long period of water retention. A transporting and diffusing model of Taihu nutrient is developed by combining with the hydrodynamics model. Using the model, the concentration field of the total phosphorus (TP) and the influence of wind-driven current are numerically investigated, which leads to the conclusion that the flow field has a great influence on the spatial and temporal distributions of TP in Taihu Lake. Furthermore, the effect for improving the water quality by the project of water diversion from the Yangtze River to Taihu Lake was analyzed by simulation. The results demonstrate that short-term water diversion cannot improve the water quality of the heavily-polluted Meiliang Bay and the western bank areas of Taihu Lake.
KeywordTaihu Lake Is The Third Largest Fresh Water Lake In chIna. With The Fast Economic Development Abundant Industrial And Agricultural Waste Water Has Been Discharged Into Taihu Lake Causing The Eutrophication Of The Water Quality Which Greatly Affected The Water Utility. In The Past Decades The Treatment Of Taihu Lake Has Witnessed Limited Success. Therefore It Is Practically And Theoretically Significant To Study The EutrophicatiOn Of Taihu Lake. thIs Research Has Focused On The Issue Of Water qualIty Including The characterIstics Of Spatial And Temporal dIstributiOns And The Rules Of Nutrient Diffusion In The Taihu Lake Area.
Indexed By其他
Language英语
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/43266
Collection环境力学重点实验室(2009-2011)
Corresponding AuthorLiu QQ(刘青泉)
Recommended Citation
GB/T 7714
Liu QQ,Xu XF,Yin XL. Numerical Study on the Spatial and Temporal Characteristics of Water Quality in the Taihu Lake of China[C]Hydrology Conference 2010 (The Changing Physical and Social Environment: Hydrologic Impacts and Feedbacks).San Diego, CA, USA.2010-10-11~ 2010-10-13.,2010.
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