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Continuous Hydrologic and Water Quality Monitoring of Vernal Ponds
Published on: November 13, 2017
[Influence on emerged plant in the process of numerical simulation about lake water quality]
Xing Li1, Chang-You Li, Mang-Mang Gou
1Inner Mongolia Engineering Research Center for Water-Saving Agriculture, Inner Mongolia Normal University, Hohhot 010022, China. lixingmm@yahoo.com.cn
Abstract:
An eutrophication model on Wuliangsuhai Lake in Inner Mongolia is established through combining the environmental fluids dynamics code model with CE-QUAL-ICM model. In this model, the distribution of emergent plants, density, height, diameter and other morphological indicators to be considered. At the same time, nitrogen and phosphorus are calculated, compared and analyzed by whether to consider the impact of emergent plants to nitrogen and phosphorus in the simulation process. The result shows that the trend of simulated and measured values on nitrogen and phosphorus by considering the impact of emergent plants is consistent; however simulated values can't reflect the measured values if not to considering the impact of emergent plants. It can clearly be seen that emergent plants plays a key role in migration and transformation of nitrogen and phosphorus, which improve the efficiency and simulation accuracy. Overall eutrophication model considering the impact of emergent plants can better reflect dynamic simulation results on the concentration of nitrogen and phosphorus in the region of a lake; also can provide some reference to lake management.
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