Monographie du Niger Authors Auvray, Claude Publication Date Jan 01, 1960 Source Horizon / Pleins textes Keywords Bassin Versant Geographie Physique Reseau Hydrographique Hydrogeologie Pedologie Climatologie Pluviometrie Variation Temporelle Variation Spatiale Station Hydrologique Limnimetrie Debit Etalonnage Reseau Hydrometrique Language French License Unknown External links Full record on documentation.ird.fr