Paleohydrological reconstruction from late Holocene records in interdune lakes (N'Guigmi, northern bank of the Lake Tchad, Niger) /Sebag, David Durand, A. Garba, Z. Verrecchia, E.P. LAC HOLOCENE PALEOLIMNOLOGIE PALEOCLIMAT ARIDITESEDIMENTATION LACUSTRE ANALYSE MINERALOGIQUE CARBONATE MINERALISATION DIATOMEE CHANGEMENT CLIMATIQUE 2013 text https://www.documentation.ird.fr/hor/fdi:010059222 fdi:010059222 Sebag David, Durand A., Garba Z., Verrecchia E.P.. Paleohydrological reconstruction from late Holocene records in interdune lakes (N'Guigmi, northern bank of the Lake Tchad, Niger). 2013, 3 (2), 143-155 EN ZONE SAHELIENNE TCHAD LAC NIGER