Articles | Volume 14, issue 7
Clim. Past, 14, 1051–1066, 2018
https://doi.org/10.5194/cp-14-1051-2018
Clim. Past, 14, 1051–1066, 2018
https://doi.org/10.5194/cp-14-1051-2018
Research article
12 Jul 2018
Research article | 12 Jul 2018

Rapid increase in simulated North Atlantic dust deposition due to fast change of northwest African landscape during the Holocene

Sabine Egerer et al.

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Cited articles

Adkins, J., deMenocal, P., and Eshel, G.: The “African Humid Period” and the Record of Marine Upwelling from Excess 230Th in ODP Hole 658C, Paleoceanography, 21, PA4203, https://doi.org/10.1029/2005PA001200, 2006. a, b, c, d, e, f, g
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Armitage, S. J., Bristow, C. S., and Drake, N. A.: West African monsoon dynamics inferred from abrupt fluctuations of Lake Mega-Chad, P. Natl. Acad. Sci., 112, 8543–8548, https://doi.org/10.1073/pnas.1417655112, 2015. a
Baker, R. A., Adams, C., Bell, G. T., Jickells, D. T., and Ganzeveld, L.: Estimation of atmospheric nutrient inputs to the Atlantic Ocean from 50°N to 50°S based on large scale field sampling: Iron and other dust associated elements, Global Biogeochem. Cy., 27, 755–767, https://doi.org/10.1002/gbc.20062, 2013. a
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Short summary
We find a rapid increase in simulated dust deposition between 6 and 4 ka BP that is fairly consistent with an abrupt change in dust deposition that was observed in marine sediment records at around 5 ka BP. This rapid change is caused by a rapid increase in simulated dust emissions in the western Sahara due to a fast decline in vegetation cover and a locally strong reduction of lake area. Our study identifies spatial and temporal heterogeneity in the transition of the North African landscape.