Articles | Volume 19, issue 10
Research article
23 May 2019
Research article |  | 23 May 2019

The sensitivity of the colour of dust in MSG-SEVIRI Desert Dust infrared composite imagery to surface and atmospheric conditions

Jamie R. Banks, Anja Hünerbein, Bernd Heinold, Helen E. Brindley, Hartwig Deneke, and Kerstin Schepanski

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Cited articles

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Alamirew, N. K., Todd, M. C., Ryder, C. L., Marsham, J. H., and Wang, Y.: The early summertime Saharan heat low: sensitivity of the radiation budget and atmospheric heating to water vapour and dust aerosol, Atmos. Chem. Phys., 18, 1241–1262,, 2018. a
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Ansell, C., Brindley, H. E., Pradhan, Y., and Saunders, R.: Mineral dust aerosol net direct radiative effect during GERBILS field campaign period derived from SEVIRI and GERB, J. Geophys. Res.-Atmos., 119, 4070–4086,, 2014. a
Short summary
Saharan dust storms may be observed over the desert using false-colour infrared satellite imagery; in one widely used scheme dust displays characteristic pink colours. Simulating satellite imagery using a dust transport model, we confirm that water vapour is a major control on the apparent colour of dust in the false-colour imagery and that dust displays its deepest colours when it is at a high altitude and when the atmosphere is dry. Water vapour can obscure the presence of low-altitude dust.
Final-revised paper