@incollection{fdi:010012362, title = {{D}rought chronology dating in the lake {T}chad basin ({N}igeria {C}ommand)}, author = {{T}hambyapillay, {G}.{G}.{R}.}, editor = {}, language = {{ENG}}, abstract = {{T}hat the notorious {S}ahelian drought (1968-1973) of {S}ahelo-{S}udan {S}ub-{S}ahara was not unique has been established as a chronological sequence of past droughts in the {L}ake {C}had basin. {H}istorical drought chronology is traceable to written evidence. {P}re-historical evidence of dune landscapes in the {N}igerian {L}ake {C}had basin may be located on the ground or in satellite imagery. {N}evertheless, the 1980s drought continuum has the characteristic of being unique in the context of its severity and longevity. {S}ome possible forcing agencies are considered as being meterological, while anthropogenetically-induced drought-desiccation is also of concern. {R}ecently it has been indicated that a linkage between sea-surface temperatures and sahelian droughts seems to be of significance. ({R}{\'e}sum{\'e} d'auteur)}, keywords = {{LAC} ; {SECHERESSE} ; {PALEOCLIMAT} ; {CHRONOLOGIE} ; {PLUVIOMETRIE} ; {EAU} {DE} {MER} ; {TEMPERATURE} {DE} {SURFACE} ; {DONNEES} {STATISTIQUES} ; {CHANGEMENT} {CLIMATIQUE} ; {NIGERIA} ; {TCHAD} {LAC} ; {TCHAD} {BASSIN}}, booktitle = {{L}'homme et l'eau dans le bassin du lac {T}chad = {M}an and water in the lake {C}had basin}, numero = {}, pages = {31--61}, address = {{P}aris}, publisher = {{ORSTOM}}, series = {{C}olloques et {S}{\'e}minaires}, year = {1997}, ISBN = {2-7099-1373-9}, ISSN = {0767-2896}, URL = {https://www.documentation.ird.fr/hor/fdi:010012362}, }