عنوان مقاله [English]
The use of marine data and information and depth measurement are among the technical requirements of major and minor decision making by the government and private sectors of the country. To use this information, which is increasing day by day in great quantities, and to use different information layers, we need a coherent database, knowledge of data and proper and powerful functions. In this paper, it has been tried to identify and categorize hydrographic data according to the stages of construction of a GIS. Next, the required models for representation of dynamic data have been examined and a general view of the manner of using HIS has been presented.