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Research of Engineering GIS and the application in the regulation of YRE

Author: LinYueHua
Tutor: YanYiXin
School: Hohai University
Course: Port, Coastal and Offshore Engineering
Keywords: Geographic Information Systems Engineering Visualization Estuarine and Coastal Engineering Fluvial process Mathematical model Digital terrain model
CLC: U617
Type: Master's thesis
Year: 2001
Downloads: 158
Quote: 7
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Abstract


Geographic information systems (Geographic Information System), referred to \It was created for a specific target spatial information systems, computer hardware, software and network support, the relevant spatial data preprocessing, input, storage, searching and retrieval, processing, analysis, display, update, and provide application technology systems . At present there are still many areas for further research, especially in service in the Yangtze River Estuary Deepwater Channel Regulation such a large scale, long life cycle, affecting wide areas, the natural conditions are very complex situation changing national key construction projects for the purpose of the GIS and professional combined with mathematical models of estuarine and coastal waves, tide, sediment movement dynamic mechanism, as well as building renovation project study of its impact on the sea and river channel erosion and deposition potential evolution of monitoring and analysis, the effect of the construction progress and project implementation \Therefore, this paper proposes construction of Estuarine and Coastal Engineering provides engineering technical support dynamic management and integrated engineering GIS EGIS (Engineering Geographic Information System), has a certain objective needs and practical significance. The main contents of this paper are: (1) proposed the establishment of geographic information systems engineering EGIS, and discuss some basic methods, including the application model and GIS integration patterns discussed ways to generate digital terrain model comparison and applications. (2) Application of Yangtze Delta finite difference two, three-dimensional mathematical model for the calculation of the trend of the results, combined with the Yangtze Estuary Deepwater Channel Regulation Project, Research and Engineering Application of Geographic Information System, to explore how the mathematical model to the professional GIS spatial analysis tools and database management functions Support. The main job is: where the main work first before handling mathematical models to calculate automatic mesh generation, the line boundary method optimization; two Chia-Chu Liu is the application of the formula in the Yangtze Estuary Deepwater Channel Regulation Project with the support of geographic information systems to achieve Hong Kong pond, waterway excavation, real-time siltation Gusuan; three is to calculate the results and support the formation of GIS project management database system (Engineering Data Base Management System), while trying to solve the time-series data such as topography erosion and deposition, tide, flow rate process analysis, query and display problems and achieve real-time, interactive, dynamic presentations and three-dimensional visualization. Four is the application of geographic information systems engineering tools currently Yangtze Delta after the completion of a project to analyze and calculate erosion and deposition. (3) the Yangtze Estuary Deepwater Channel Regulation Project geographic information system design.

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CLC: > Transportation > Waterway transport > Waterway Engineering > Renovation project
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