The impact of different dredging stages on the environmentįor different dredging projects, according to the purpose of dredging, sediment characteristics, hydrologic environment and construction conditions, and many other various aspects of factors and adopt different construction technology and dredging equipment. It provides a reference for designing and formulating a dredging construction scheme and reducing the adverse impact of dredging on the environment. This article from the main stage of ship type and dredging project aspects analyzes the dredging project’s major impact on the environment. Such as dredging water suspended sediment concentration increased dramatically and release all kinds of pollution elements, different degrees of the environmental impact of the different dredging projects, affect the way in the different stages of dredging construction form is different. Relatively speaking, the short-term impact is often more obvious. And dredging the activity itself will bring certain influence to the environment. The impact on the environment is often long-term. The vast majority of dredging projects will increase the depth of water at the construction site, change the river or coastal topography and biological habitat, and have a certain degree of impact on the local hydrodynamic conditions, thereby changing the rules of pollutant migration movement. Since the main object of the dredging project is sediment at the bottom of the water, dredging projects and dredging activities will have a certain impact on the environment. The paper from dredging engineering-type construction features and main phase, dredging vessels dredging project major impact on the environment are analyzed, in order to design and develop a dredging construction plan, a decrease of the adverse impact of dredging on the environment to provide the reference. Environmental impact analysis of dredging projectsĪs people growing emphasis on environmental problems, the environmental impacts of dredging project cause the attention of many countries and organizations.
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