Articles | Volume 16, issue 21
https://doi.org/10.5194/acp-16-13697-2016
https://doi.org/10.5194/acp-16-13697-2016
Research article
 | 
04 Nov 2016
Research article |  | 04 Nov 2016

Particle size traces modern Saharan dust transport and deposition across the equatorial North Atlantic

Michèlle van der Does, Laura F. Korte, Chris I. Munday, Geert-Jan A. Brummer, and Jan-Berend W. Stuut

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Cited articles

Adams, A. M., Prospero, J. M., and Zhang, C.: CALIPSO-Derived Three-Dimensional Structure of Aerosol over the Atlantic Basin and Adjacent Continents, J. Climate, 25, 6862–6879, https://doi.org/10.1175/jcli-d-11-00672.1, 2012.
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Berelson, W. M.: Particle settling rates increase with depth in the ocean, Deep-Sea Res. Pt. II, 49, 237–251, 2002.
Betzer, P. R., Carder, K. L., Duce, R. A., Merrill, J. T., Tindale, N. W., Uematsu, M., Costello, D. K., Young, R. W., Feely, R. A., Breland, J. A., Bernstein, R. E., and Greco, A. M.: Long-Range Transport of Giant Mineral Aerosol-Particles, Nature, 336, 568–571, https://doi.org/10.1038/336568a0, 1988.
Bressac, M., Guieu, C., Doxaran, D., Bourrin, F., Desboeufs, K., Leblond, N., and Ridame, C.: Quantification of the lithogenic carbon pump following a simulated dust-deposition event in large mesocosms, Biogeosciences, 11, 1007–1020, https://doi.org/10.5194/bg-11-1007-2014, 2014.
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Short summary
We studied seasonal and spatial variations in particle size of Saharan dust deposition along a transect in the Atlantic Ocean, using an array of moored submarine sediment traps. We show a downwind decrease in particle size, but seasonal changes are also prominent. In addition, the dust is much coarser than previously suggested and incorporated into climate models.
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