The Diffusion Of Suspended Matter And Influences On Environmental Ecosystem From Reclamation Projects

With the development of our social and economic,reclamation projects become an important means of coastal cities to relieve pressure from land and raise economic benefit.However ,with the huge economic benefits from reclamation projects,some problems arise.After the project,it make the coastline chang,tidal prism reduced,indirect cause marine hydrodynamic decreased,sedimentation intensifies,submarine sediment changed.The large number of earthwork from the reclamation project make the suspended matter increased rapid,After the change of the tidal action and hydrological system,the dispersal ability of pollutants decreased,thus causing the water quality changed.The change of submarine sediment and water quality effect the ecological environment,a lot of benthos and plankton migrate,died even extinction because the changes of environment.So it's meaningful to research the effect of reclamation projects for comprehensive evaluating the project and environmental quality.This paper emphatically analyses the influences on environmental ecosystem by suspended matter, researches the production links of suspended matter,introduces related contents researched by domestic and foreign scholars.Finally,based on practical engineering,through suspended matter diffusion numerical prediction and dates by real-time monitoring,comprehensive analysis and objective evaluates the production links of suspended matter and the state of environmental impact,give opinion to and provide evidence for similar projects.