Abstract

This article addresses the integration of a risk of aquifer pollution modelling within an Environmental System (EIS). Especially, the methodology, which allows considerating the spatio-temporal dynamic of those risks and its use in an inter-operable geographical information system, is commented on. The hydrologic model capable to compute the underground water trajectories from some geologic features is introduced. Then the diffusion of pollutions from human activities and their spatial representation are detailed, so their integration within the SIE build in the way of intelligent modules that are called depending on the user request. Finally, some examples of use for urban development decision support purposes are depicted. The whole set is put together within the EAUNET system developed for the fresh water management of the Loyalty Islands of New Caledonia.

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