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ACP | Articles | Volume 19, issue 16
Atmos. Chem. Phys., 19, 10525–10535, 2019
https://doi.org/10.5194/acp-19-10525-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Atmos. Chem. Phys., 19, 10525–10535, 2019
https://doi.org/10.5194/acp-19-10525-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 21 Aug 2019

Research article | 21 Aug 2019

Evaluating the relative importance of northern African mineral dust sources using remote sensing

Natalie L. Bakker et al.

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Subject: Aerosols | Research Activity: Remote Sensing | Altitude Range: Troposphere | Science Focus: Physics (physical properties and processes)
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Cited articles

Ansmann, A., Seifert, P., Tesche, M., and Wandinger, U.: Profiling of fine and coarse particle mass: case studies of Saharan dust and Eyjafjallajökull/Grimsvötn volcanic plumes, Atmos. Chem. Phys., 12, 9399–9415, https://doi.org/10.5194/acp-12-9399-2012, 2012. 
Ashpole, I. and Washington, R.: An automated dust detection using SEVIRI: A multiyear climatology of summertime dustiness in the central and western Sahara, J. Geophys. Res.-Atmos., 117, D08202, https://doi.org/10.1029/2011JD016845, 2012. 
Ashpole, I. and Washington, R.: A new high-resolution central and western Saharan summertime dust source map from automated satellite dust plume tracking, J. Geophys. Res.-Atmos., 118, 6981–6995, https://doi.org/10.1002/jgrd.50554, 2013. 
Ben-Ami, Y., Koren, I., Rudich, Y., Artaxo, P., Martin, S. T., and Andreae, M. O.: Transport of North African dust from the Bodélé depression to the Amazon Basin: a case study, Atmos. Chem. Phys., 10, 7533–7544, https://doi.org/10.5194/acp-10-7533-2010, 2010. 
Bergametti, G., Marticorena, B., Rajot, J. L., Chatenet, B., Féron, A., Gaimoz, C., Siour, G., Coulibaly, M., Koné, I., Maman, A., and Zakou, A.: Dust Uplift Potential in the Central Sahel: An Analysis Based on 10 years of Meteorological Measurements at High Temporal Resolution, J. Geophys. Res.-Atmos., 122, 12433–12448, https://doi.org/10.1002/2017JD027471, 2017. 
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Northern African mineral dust provides the Amazon Basin with essential nutrients, although the process is still poorly understood. In our study, we utilise high-resolution satellite data to analyse northern African dust sources of the 2015–2017 winter dust seasons. We find that the majority of dust is emitted from palaeolake and palaeoriver systems. Specifically, palaeorivers have been mostly overlooked to date. Furthermore, we find that dune fields do not produce much dust.
Northern African mineral dust provides the Amazon Basin with essential nutrients, although the...
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