Articles | Volume 7, issue 6
Research article
01 Dec 2016
Research article |  | 01 Dec 2016

Stepwise drying of Lake Turkana at the end of the African Humid Period: a forced regression modulated by solar activity variations?

Alexis Nutz and Mathieu Schuster

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Cited articles

Anthony, E. J.: Wave influence in the construction, shaping and destruction of river deltas: A review, Mar. Geol. 361, 53–78, 2015.
Bard, E.: Out of the African Humid Period, Science, 342, 808–809, 2013.
Barker, P. A., Talbot, M. R., Street-Perrott, F. A., Marret, F., Scourse, J., and Odada, E. O.: Late Quaternary climatic variability in intertropical Africa, in: Past climate variability through Europe and Africa, edited by: Battarbee, R. W., Gasse, F., and Strickley, C. E., Springer, Dordrecht, 2004.
Becek, K.: Investigating error structure of shuttle radar topography mission elevation data product, Geophys. Res. Lett. 35, L15403,, 2008.
Bhattacharya, J. P. and Giosan, L.: Wave-influenced deltas: geomorphological implications for facies reconstruction, Sedimentology, 50, 187–210, 2003.
Short summary
From the geomorphology of a palaeodelta complex of Lake Turkana (Kenya), we explore the end of the Holocene African Humid Period (AHP) that corresponded to a major change in climate of Africa and that had important environmental impacts. Here, we propose that the transition from a wet to a dry period at the end of the AHP is stepwise, discussing a potential control by short-term variations in solar activity. Understanding this climate event is crucial to facing future climate changes.