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Effects of the water level change of Poyang Lake on characteristics of water quality

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4 Author(s)
Jinbao Wan ; Key Lab of Poyang Lake Environment and Resource Utilization, Ministry of Education, Nanchang University, China ; Lin Chen ; Xinyi Lan ; Xijun Lai

By analyzing the hydrologic and water quality monitoring data of typical stations of Poyang Lake, the objectives were to describe the characteristics of water quality in water level changes. The results indicated that: the average water level of Poyang Lake showed downward trend, further more, water level amplitude of Poyang Lake was increasing in recent years; the concentrations of NH3-N and CODMn at typical stations were obviously negative correlation with the level change, the water quality of dry season was worse than rainy season. Based on the Hydrodynamic and water quality coupled model of Poyang lake modeling the water quality in stable water level, it's showed that in the situation of stable stage pollutants enrich in estuary easily and are difficult to discharge to the downstream.

Published in:

Remote Sensing, Environment and Transportation Engineering (RSETE), 2011 International Conference on

Date of Conference:

24-26 June 2011