STUDY OF MARINE INTRUSION IN COASTAL AQUIFERS AND ITS REPERCUSSIONS ON THE LAND DEGRADATION BY THE USE OF A MULTIDISCIPLINARY APPROACH
Journal Title: Larhyss Journal - Year 2017, Vol 30, Issue 30
Abstract
In this research work, we focus on an actuality problem which is the sea water intrusion in coastal aquifers which is increasingly becoming more acute by climate change and population growth. The research was conducted on the east Algiers valley. On the Algiers coastal aquifer, characterized by an intensive and anarchic exploitation, we tried by a multidisciplinary approach combining several methods (piezometric, chemical and geophysical) to identify a marine intrusion and to detect areas sensitive to marine pollution in this coastal zone and to analyze the implications for soil degradation through the use of water polluted by the sea for irrigation. This approach was very interesting to reveal sea water intrusion, to determine the salinity source and to identify risk zones. The sea water intrusion in coastal aquifers has also an effect on soil salinity, caused by an extensive use of aquifer. The monitoring of extraction and the control of drawdown are recommended.
Authors and Affiliations
MORSLI B. | .Institut National de la Recherche Forestière (INRF), Unité Érosion et Désertification, Tlemcen, Algérie, HABI M. | Université de Tlemcen, Faculté de l’Ingénieur, Tlemcen, Algérie, BOUCHEKARA B. | Université de Tlemcen, Faculté de l’Ingénieur, Tlemcen, Algérie
Keywords
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