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The Application of GIS to Water Quality Modeling in Chengdu Water System

Author: HuangWenDian
Tutor: LiJia
School: Sichuan University
Course: Hydraulics and River Dynamics
Keywords: Geographic Information System (GIS) Chengdu water system Water quality modeling MapInfo Professsional Organics
CLC: X321
Type: Master's thesis
Year: 2002
Downloads: 447
Quote: 9
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Abstract


The Chengdu River water quality simulation and the simulation results processing, for example, water quality simulation technology and geographic information system (Geographical Information System, GIS) technologies, focused on the use of GIS technology on the computer simulation results Analysis and Management. This paper analyzes the status of organic pollution of our water of organic pollutants, the need for water quality mathematical model for the prediction of riverine organic pollutants in the water migration and degradation mechanism. This paper analyzes and summarizes the water quality model and its application in water quality modeling status quo, that the water quality model for water quality modeling has a strong computing capabilities, but difficulties still exist in the simulation results show, using GIS technical thinking to solve this problem. Geographic information system development process, the composition and function of its trends, analysis and data management advantages of GIS technology in space. Domestic and international environmental information systems research status and GIS combined with a water quality model for water quality simulation application status, the need for analysis of the combination of GIS and water quality model. Advanced Visual Basic object-oriented programming technology, the preparation of the the Chengdu water system water quality simulation program, the management of water quality simulation and geographic information common user interface, and shows the advantages of object-oriented programming in water quality modeling. Select the appropriate water quality model and related parameters, the use of the the Chengdu water system water quality simulation program to calculate the initial and boundary conditions given the Chengdu water system water quality modeling results. Various topics of the basic GIS software MapInfo Professional5.5, function, and use the software to complete the the Chengdu water system map digitization, simulation and monitoring results MapInfo table generation and geocoding, produced the Chengdu water system water quality simulation results and monitoring results Figure, visualization of simulation results and monitoring results. Through a common user interface for water quality simulation and geographic information management, the use of GIS technology to achieve four}; person I learned the orderly management of the master's degree thesis on the water quality simulation and monitoring results, this is not only intended to complement the lack of a water quality model, and give full play to the geographical information systems spatial analysis and data management advantages. Preliminary experiment and explore, this article by the work as a water quality simulation and GIS technology for research work in this field has certain reference significance after further in-depth study of the combination of more complex water quality model with GIS technology has played a fundamental role in .

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CLC: > Environmental science, safety science > Administration of Environmental Protection > Environmental planning and environmental management > Regional environmental planning and management
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