Scholarly record

MODELLING OF ATTRIBUTIVE HYDROGEOLOGICAL DATA IN GIS ENVIRONMENT

K. Hribernik

Abstract

Hydrogeological investigations of groundwater are based on large amount of qualitative and quantitative data which demands a complex approach to modeling and organizing information into some logical data model, useful on local, regional and national level. For that purpose at Geological survey of Slovenia we established a Database of hydrogeolocial data to define groundwater bodies of Slovenia in which all significant data of groundwater bodies, aquifers and hydrogeological objects are available.The main objective of the paper is to define the design of conceptual, logical and physical data modelling. As its result the entity-relationship data model (E-R model) is represented. By transferring archive data into digital environment and establishing final application, faster and user-friendly data access with various possibilities of analysis is provided. Digital storage of attributive data enables uniformity of standards for collecting, analyzing and management of data, their spatial presentation and distribution, connection with other information systems, construction of complex so called “georelational model”, which represents active connection between attributive data in the database and graphic objects on the maps, and important decisionmaking future analysis.By constructing this information system we approach the environmental more friendly and economically efficient exploitation of water, avoiding the conflicts between satisfying the market demands and interests of other activities in the Slovenian area.

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