Design Of Hydrological Information Management System

This system is the hydrological info rmation management system developed by Visual C + + 6.0 high-level programming language and SQL Server 2000 database in the Windows environment, using a database to store information, call the Excel for statistical analysis and output. The system includes a user management module, the station management module, hydrological information management module, information statistics module, the chart display module, the log management module.Among them, the user management module enables users to add information, modify information, delete information, query information and other functions; station management module has also realized a station information to add, modify, delete, query and other functions; hydrological information management module enables to find information , view reports and print report functions; chart display module using the ActiveX control is mainly achieved graphical display of statements of information; Information Statistics module mainly achieved in accordance with the rainfall, the water level and other data, the month in the history of average statistics is given by calculating the multi - The annual rainfall frequency distribution curves, Through the moving average method the statistics of rainfall, water level information such as changes in trends; log management module is to achieve to delete the log and view the log.The system not only achieved the right hydrological information and data statements and the graphical display, but also conducted a statistical analysis has been variation of Hulan River basin hydrological information and development trend, truly realize the computerization of hydrological information management.