ÉTUDE HYDROCHIMIQUE ET MICROBIOLOGIQUE DES NAPPES D’ALTÉRITES SOUS CLIMAT TROPICAL HUMIDE : CAS DU DÉPARTEMENT D’ABENGOUROU (SUD-EST DE LA CÔTE D’IVOIRE)
Journal Title: Larhyss Journal - Year 2013, Vol 16, Issue 16
Abstract
The physico-chemical and microbiological properties of regolith aquifers in the department of Abengourou were evaluated for the use of drinking water. The 32 traditional water wells and three streams were sampled in December (dry season) 2009 and analyzed. The results submitted to statistical treatment showed that most downgrading physicochemical parameters pH, Iron, Aluminium and nitrates which respectively 90%, 30%, 70% and 28% of water points are higher levels to WHO standards. Facies in 50% of cases are most chlorinated or nitrated sodi-potassic. A significant correlation was observed between the electrical conductivity and Na+, K+, Mg2+, NO3-, Cl-. Mineralization of water is controlled by phenomena such as atmospheric deposition, and anthropogenic acid hydrolysis rocks. Microbiological analysis revealed the presence of Escherichia coli (10 to 150 cfu/100 ml) in 28% of the wells. Water Resources of department are subject to significant anthropogenic pressure. The consumption of these waters for a large number of wells without any treatment is to be avoided because it could be a source of health risks for populations.
Authors and Affiliations
AKA NATCHIA| Laboratoire des Sciences et Techniques de l’Eau et de l’Environnement (LSTEE), Unité de Formation et de Recherche (UFR) des Sciences de la Terre et des Ressources Minières (STRM), Université Félix Houphouët Boigny, Cocody-Abidjan, 22 BP 582 Abidjan 22 ; Tel : (+225) 22 48 38 03 (Côte d’Ivoire), BAMBA SIAKA BARTHELEMY| Département Environnement (DE), Centre de Recherches Océanologiques (CRO), BPV 18 Abidjan (Côte d’Ivoire), Tél. (+225) 21 35 58 80, SORO GBOMBELE| Laboratoire des Sciences et Techniques de l’Eau et de l’Environnement (LSTEE), Unité de Formation et de Recherche (UFR) des Sciences de la Terre et des Ressources Minières (STRM), Université Félix Houphouët Boigny, Cocody-Abidjan, 22 BP 582 Abidjan 22 ; Tel : (+225) 22 48 38 03 (Côte d’Ivoire), SORO NAGNIN| Laboratoire des Sciences et Techniques de l’Eau et de l’Environnement (LSTEE), Unité de Formation et de Recherche (UFR) des Sciences de la Terre et des Ressources Minières (STRM), Université Félix Houphouët Boigny, Cocody-Abidjan, 22 BP 582 Abidjan 22 ; Tel : (+225) 22 48 38 03 (Côte d’Ivoire)
Keywords
Related Articles
- EP ID EP15052
- DOI -
- Views 315
- Downloads 10
ANALYSIS OF THE EVOLUTION OF THE MEDITERRANEAN SEA LEVEL FROM HISTORICAL TIDE GAUGE DATA
The historical data series of 34 tide gauges located along the Mediterranean coast were analyzed using statistical trend tests. The application of the Man Kendall test and its version which takes into account the pres...
QUALITE BACTERIOLOGIQUE DE L'EAU POTABLE DES DIFFERENTS RESERVOIRS ET CHEZ LES CONSOMMATEURS DE LA COMMUNE DE TIPAZA ALIMENTES PAR LA STATION DE SIDI AMAR A PARTIR DE L'EAU DE SURFACE DU LAC-BARRAGE DE BOUKOURDANE
The scope of the present study is the evaluation of water quality of the surface water from the Boukourdane Lake dam. The drinking water resulted from the Sidi Amar treatment station, tanks and water from consumers in...
EFFETS DE LA CONTRAINTE HYDRIQUE ET DES CHANGEMENTS CLIMATIQUES SUR LA PRODUCTIVITE DU BLE DUR EN CONDITIONS CLIMATIQUES SEMI ARIDES DE TUNISIE
Cereal crops have always been an essential component of Tunisian agriculture. Nevertheless, cereal production is still insufficient to meet population needs mainly due to inadequate rainfall and seasonal moisture defici...
LES FOGGARAS DE L’AHAGGAR : DISPARITION D’UN PATRIMOINE HYDRAULIQUE
This paper describes for the first time the foggaras that were operating in the oasis of the Ahaggar over seven centuries. The study shows the absence of data on this heritage. If the foggaras of Tuat and Gourara have...
ELIMINATION D'ACIDES ORGANIQUES AROMATIQUES PAR COAGULATION-FLOCULATION AU SULFATE D'ALUMINIUM
L’étude expérimentale que nous avons menée a été consacrée à l’élimination, par floculation au sulfate d’aluminium, de plusieurs acides organiques en eau distillée. Les résultats obtenus ont indiqué qu...