Climate of the Past
Climate of the Past
CP
Articles | Volume 14, issue 1
Articles | Volume 14, issue 1
https://doi.org/10.5194/cp-14-73-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/cp-14-73-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 14, issue 1
Research article
 | 
16 Jan 2018
Research article |  | 16 Jan 2018

Hybrid insolation forcing of Pliocene monsoon dynamics in West Africa

Rony R. Kuechler, Lydie M. Dupont, and Enno Schefuß

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Cited articles

Bosmans, J. H. C., Drijfhout, S. S., Tuenter, E., Hilgen, F. J., and Lourens, L.: Response of the North African summer monsoon to precession and obliquity forcing in the EC-Earth GCM, Clim. Dynam., 44, 279–297, https://doi.org/10.1007/s00382-014-2260-z, 2015a.
Bosmans, J. H. C., Hilgen, F. J., Tuenter, E., and Lourens, L. J.: Obliquity forcing of low-latitude climate, Clim. Past, 11, 1335–1346, https://doi.org/10.5194/cp-11-1335-2015, 2015b.
Brohan, P., Kenndey, J. J., Harris, I., Tett, S. F. B., and Jones, P. D.: Uncertainty estimates in regional and global observed temperature changes: a new data set from 1850, J. Geophys. Res., 111, D12106, https://doi.org/10.1029/2005JD006548, 2006.
Castañeda, I. S., Mulitza, S., Schefuß, E., Lopes dos Santos, R. A., Sinninghe Damsté, J. S., and Schouten, S.: Wet phases in the Sahara/Sahel region and human migration patterns in North Africa, P. Natl. Acad. Sci. USA, 106, 20159–20163, 2009.
Clemens, S.: An astronomical tuning strategy for Pliocene sections: implications for global-scale correlation and phase relationships, Philos. T. R. Soc. Lond. A, 357, 1949–1973, 1999.
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Short summary
Measuring deuterium and stable carbon isotopes of higher plant wax extracted from marine sediments offshore of Mauritania, we recovered a record of hydrology and vegetation change in West Africa for two Pliocene intervals: 5.0–4.6 and 3.6–3.0 Ma. We find that changes in local summer insolation cannot fully explain the variations in the West African monsoon and that latitudinal insolation and temperature gradients are important drivers of tropical monsoon systems.
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