Conception of a Geodatabase for the Monitoring of Groundwater Quality in Watershed of Ehania, Southeast of Côte d’Ivoire
Arthur Brice Konan-Waidhet, Brou Dibi, Zilé Alex Kouadio, Koffi Fernand Kouame, Issiaka Savane

Abstract
In the watershed of Ehania, we are seeing an increase of the industries in the agricultural field. Therefore, agriculture has increased and even modernized with a high use of fertilizers, accompanied by a growth of households. The characteristic of this watershed will not remain without negative impacts on water resources and the environment. For this purpose, these negative aspects could therefore have an effect on the health of people in the long run. It therefore appears necessary to set up a monitoring system of groundwater based on geodatabase model. The aim of this study is to develop a decision support tool for monitoring and evaluating the risks of underground water pollution of this agro-industrial region. The tool developed in this study revolves around links database-GIS. It has been of great benefit to this community and is a starting point for the development of effective management tools. The result of this work is an interface that facilitates the entry and the implementation of the tables as well as querying the database for a better management of information relevant to decision making. Statistical analyzes revealed very high levels of certain pollutants. Risk zones are observed in the north and in the southwestern part of this region. This information system provides managers the tools for analysis and decision support for monitoring of agro industrial activities in the region.

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