1. Géosciences Environnement Toulouse, Université de Toulouse, CNRS, IRD; Toulouse France
2. Institut de Recherches Géologiques et Minières/Centre de Recherches Hydrologiques; Yaoundé Cameroon
3. IISc-IRD Joint International Laboratory, IISc, Indo-French Cell for Water Sciences; Bangalore Karnataka India
4. Physical Research Laboratory; Ahmedabad Gujarat India
5. Center for Earth Science, IISc; Bangalore Karnataka India
6. BRGM-Service Eau; Montpellier France
7. INRA Agrocampus Rennes, UMR, Sol-Agronomie-Spatialisation; Rennes France
8. Materials Engineering Department; IISc; Bangalore Karnataka India