Groundwater vulnerability assessment using GOD method in Boulimat coastal District of Bejaia area North east Algeria
Paper Details
Groundwater vulnerability assessment using GOD method in Boulimat coastal District of Bejaia area North east Algeria
Abstract
This study constitutes the diagnosis of groundwater assessment vulnerability of the Boulimat coastal district. It has been carried out identify the area at high risk of contamination either by sources of pollution (traffic road, wastewater, pesticides, fungicides, tourist and intrusion of saline waters, for this we used the method of GOD to draw a map of vulnerability, interpretation of this map revealed that the vulnerability represented by four classes: The index of GOD is high between which (0.5 to 0.7) represents 55% of the study area is located to the centre, generally the sources of the pollution is the intensive use of pesticides and fungicides; on the other hand the east side, the west side and the south side the GOD index is average between (0.3 to 0.5) which represents about 20% of the study area. In the coastal zone the index is ranged between (0.7 to1) which represent about 10%. The low vulnerability characterized by the GOD index is ranged between (0.1 to 0.3) which represent 15% localized in south study area. This study is a valuable tool for local authorities for managing groundwater resources, monitoring these problems closely and the act accordingly.
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