Geographia Technica, No. 2/2009, pp. 67 - 80

A MODELLING APPROACH USING THE GEOGRAPHIC INFORMATION SYSTEMS FOR DECISION MAKING IN THE WATER SECTOR

 M. H. Sellami , I. Trabelsi

ABSTRACT: In this work we are putting forward a general method based on geographical information system in order to make the right decision at moment for all the fields of water sector by responding to the following requests: To foresee for what time the existing resources and water networks could satisfy all consumers categories and which solutions of rehabilitation we can put in at time. To propose a new schemes of water networks for the consumers not yet connected or for those whose the existing network could not assume their water need in the future. To make an interface permitting the link between all databases, information layers, thematic maps, equations and models propounded in order to exploit them when preparing guides for future sustainable development and every time we are asked to make a rapid decision. A first application of this model has been done for SILIANA region. The results are satisfying.
Keywords: information layers and thematic maps; geographical position; water resources; adduction/distribution networks; water consumers; rehabilitation scenario and model.

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