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Modeling Flow Field in Freshwater Lake under Different Construction Scheme of High-Speed Railway Bridge

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan

Citation:  21st Century Watershed Technology: Improving Water Quality and the Environment Conference Proceedings, May 27-June 1, 2012, Bari, Italy  12-13680.(doi:10.13031/2013.41413)
Authors:   Hang Chen, Larry Curtis Brown, Yongsheng Fu
Keywords:   Freshwater lake, flow field, hydrological simulation

The assessment of environmental impacts of large scales construction as Beijing to shanghai high-speed railway bridge at freshwater lake is necessary to achieve the sustainable development of natural resource, such as water and aquatic organism. Whole closed or Semi-closed construction of large Bridge related to changing the flow field of freshwater which can reduce flow velocity and effecting the self-depurate of water body. However, excessive affection of construction can result in the impairment of water quality and improve eutrophication of lake. The objective of this study was to evaluate the long-term impact of flow field during the whole process of construction in freshwater using the hydrological model and to determine the contribution of bridge construction to the flow field in the lake.

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