Abstract
The plain of Boumaiza is located in the north east of Algeria in the wilaya of Skikda. This region is characterized by agricultural activity and is subject to a mediterranean climate. This agricultural development is liable to contaminate the groundwater heavily loaded by the local population for its drinking water needs. In order to highlight the state of vulnerability to groundwater pollution of the captive aquifer, which is composed of sands and gravels and pebbles, it is based on a marly substratum, GIS-based DRASTIC Index method has been applied in the aquifer of Boumaiza Plain. This method is presented in the form of numerical rating systems based on consideration of the different factors influencing the hydrogeological system, where a note and a weight are affected and varying with each parameter used. This method is based in the parameters like depth to the groundwater, net recharge, Aquifer media, soil media, topography, impact of the vadose zone, and hydraulic conductivity. The results show that the study area is characterized by a low and medium vulnerability to pollution.
Highlights
In order to highlight the state of vulnerability to groundwater pollution of the captive aquifer, which is composed of sands and gravels and pebbles, it is based on a marly substratum, GIS-based DRASTIC Index method has been applied in the aquifer of Boumaiza Plain
The results show that the study area is characterized by a low and medium vulnerability to pollution
Groundwater pollution poses the permanent risk of limiting this resource in the near future
Summary
Water pollution is an alteration of the natural qualities (physical and chemical) of water. Groundwater pollution poses the permanent risk of limiting this resource in the near future It results essentially from human activity independently of the natural deterioration related to geological factors (Attoui et al 2012). In this context, the study of the vulnerability to pollution of the aquifer system could prevent the risks of Attoui Badra, Sayad Lamine, Benrabah Samia, Daoud Rabia contamination and oriented the guide the management and exploitation of groundwater Daty (1997). 1. STUDY AREA The plain of Boumaiza called captive champion of Guerbès is located in the North East of Algeria in the wilaya of Skikda. It belongs to the “Constantine Center coastal watersheds”. It is limited to the north by Lake Fetzara and the Edough massif, to the South by the mountains of Ain Berda, to the West by Jebel Safia and to the East by El Hadjar and El Kantara, Hadj-Said (2007), (Fig. 1)
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