Younes Hamed is a Prof. of Geological Sciences (hydrogeology, radioactive isotope geochemistry, and climate change) at the Univ. of Gafsa, Tunisia. He has an academic background in groundwater modeling, environmental geochemistry, and pollution combined with practical work experience in geological sciences. His research interests include subsurface exploration, environmental contaminants, and environmental pollution and risks. He is interested in reservoir production and estimator quantities.