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Using 5 periods' remote sensing images covering 20 years from 1987 to 2008 of Tianjin city, this paper extracted the coastline and the wetlands from different years utilizing different methods and techniques of data image processing and visual interpretation based on the characteristic of each RS image. The paper analyzed the law of the coastline and the wetlands changes in both spatial and temporal...
The rapid monitoring and warning technologies of red tide have been a hot topic research as red tide was one of global marine disasters. In this paper, the author described red tide rapid monitoring and warning technologies, then discussed the construction of rapid monitoring system. Article also described the rapid monitoring and warning system based GIS, which made great contribution of red tide's...
As red tide was one of global marine disasters, its monitoring and warning has been a hot topic research in recent years. In this paper, the author described red tide monitoring, warning, emergency disposal technologies, and discussed the construction of early warning system. The article described the warning system application in 2008 Qingdao Olympic sailing competition, providing an application...
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