Abstract
Geochemical and isotopic investigations were carried out to indicate the interaction process between Ifni Lake water and high valley of Tifnoute springs. A total of 18 water samples were collected and analyzed. The Ifni Lake constitutes a veritable water resource in the study area, and this water can be the origin of alimentation the springs located in the high valley the Tifnoute. This study aims to improve the interaction between Ifni Lake water and the springs of high valley of Tifnoute. It is mainly focused to identify the origin of groundwater recharge and mineralization. The environmental isotope (deuterium (δ2H) and oxygen-18 (δ18O)) measurements allowed understanding the hydro geochemical process, the origin of the mineralization of the water. Also the results identify the relationship between the waters of Ifni Lake and the spring's water of high valley of Tifnoute. The isotopic compositions reveal that the origin of Ifni Lake water is meteoric, and the water infiltrates directly in the groundwater without any evaporation.
Highlights
Morocco is one of the countries that must cope with an important water deficit (Agoussine et al, 2004)
The spring waters in this mountain area are characterized by low mineralization (Kacem et al, 2016)
The Ifni Lake is located at 2320 m in this mountain area; mainly this lake and spring waters are fed by atmospheric precipitation and snow
Summary
Morocco is one of the countries that must cope with an important water deficit (Agoussine et al, 2004). In the high valley of Tifnoute, the springs water are used for human consumption. Water in this mountain area is characterized by low mineralization. This area is characterized by the highest mountain, and natural lake in Morocco. In the study area the Ifni Lake constitutes a natural tower of water which aliments a majority of springs; this area has never been the subject of isotopic study. The isotopic analysis of the waters allowed us to understand the hydro geochemical process, the origin of the mineralization of the water and to identify the relationship between the waters of Ifni Lake and the spring's water of high Tifnoute Valley
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