Tchad (1) Sénégal (1) Assaying (1) Event history analysis (1) Arid regions climate (1) Year (1) Groundwater (1) Sodium (1) Silicates (1) Sand dunes (1) Navies (1) Mollusks (1) Evaporites (1) Droughts (1) Diatomaceous earth (1) Climatology (1) Climate (1) Last years (1) Analysis (1) Moluscos (1) Marina de guerra (1) Aguas subterráneas (1) Sequía (1) Fleuve (1) Estuaire (1) Analyse (1) Climat (1) Table (1) Rythme (1) Bulletin de l'Association de géographes français (périodique) (1)