Complex refractive indices and single-scattering albedo of global dust aerosols in the shortwave spectrum and relationship to size and iron content

Di Biagio, Claudia; Formenti, Paola; Balkanski, Yves; Caponi, Lorenzo; Cazaunau, Mathieu; Pangui, Edouard; Journet, Emilie; Nowak, Sophie; Andreae, Meinrat O.; Kandler, Konrad; Saeed, Thuraya; Piketh, Stuart; Seibert, David; Williams, Earle; Doussin, Jean-François

doi:https://doi.org/10.5194/acp-19-15503-2019

Articles | Volume 19, issue 24

https://doi.org/10.5194/acp-19-15503-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue:

Simulation chambers as tools in atmospheric research (AMT/ACP/GMD...

https://doi.org/10.5194/acp-19-15503-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 19, issue 24

Research article

|

19 Dec 2019

Research article |

| 19 Dec 2019

Complex refractive indices and single-scattering albedo of global dust aerosols in the shortwave spectrum and relationship to size and iron content

Claudia Di Biagio, Paola Formenti, Yves Balkanski, Lorenzo Caponi, Mathieu Cazaunau, Edouard Pangui, Emilie Journet, Sophie Nowak, Meinrat O. Andreae, Konrad Kandler, Thuraya Saeed, Stuart Piketh, David Seibert, Earle Williams, and Jean-François Doussin

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Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC1: 'Review of Di Biagio et al. (2019)', Claire Ryder, 15 Apr 2019
RC2: 'Review of Di Biagio et al.', Carlos Pérez García-Pando, 23 Jun 2019
AC1: 'Answers to reviewers', Claudia Di Biagio, 11 Oct 2019
AC2: 'Tracked version of revised paper', Claudia Di Biagio, 11 Oct 2019
AC3: 'Revised paper', Claudia Di Biagio, 11 Oct 2019

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AR: Author's response | RR: Referee report | ED: Editor decision

AR by Claudia Di Biagio on behalf of the Authors (13 Oct 2019) Author's response Manuscript

ED: Publish subject to technical corrections (12 Nov 2019) by Patrick Chuang

AR by Claudia Di Biagio on behalf of the Authors (15 Nov 2019) Manuscript

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This paper presents a new dataset of laboratory measurements of the shortwave (SW) spectral complex refractive index and single-scattering albedo (SSA) for global mineral dust aerosols of varying origin and composition. Our results show that the dust refractive index and SSA vary strongly from source to source, mostly due to particle iron content changes. We recommend that source-dependent values of the SW spectral refractive index and SSA be used in models and remote sensing applications.