Marine Delimitation Information System Of The South Line Between Tianjing City And Hebei Province Based On GIS Technology

Geographic Information System is a computer system which uses contemporary computer graphics and database technology to input,store,edit,query,analyze spatial graphics and attribute date.Due to the high quality of spatial management and spatial analyzing,GIS now is extended used in soil utilizing,resource management. environment supervising,transportation,city planning,and various departments of the government,and becomes an interdisciplinary,polydirectional research filed.Marine delimitation,namely,delimitation of marine administrative boundaries。Concretely speaking,it is State Council delimitating marine administrative boundaries between adjacent or opposite local governments,and defining activity of correlative document,resource and graphics.Marine delimitation is an important decision-making of state,and it is the key of ensuring maritime space's rational developing and utilizing.Construction of marine delimitation's GIS is an important part of provincial and civic marine delimitation's work.This article mainly discusses realizing functions of different kinds of delimitative investigation's integrated management as well as delimitative project's assistant creating based on GIS technology,and it provides scientific methods and technical platform for date querying,analyzing and delimitative project's creating and evaluating.At first the article analyzes the essentiality,actuality and the function of GIS in marine delimitation,and introduces the component,construction and function of GIS.Then it discusses the area background,sea characters and delimitative protocol between Tianjin city and Hebei province.At last it gives detailed dissertation about the design and realization of system's function.