Mineral Dust

pp 75-92


Processing and Ageing in the Atmosphere

  • Alex R. BakerAffiliated withCentre for Ocean and Atmospheric Sciences, School of Environmental Sciences, University of East Anglia Email author 
  • , Olga LaskinaAffiliated withDepartment of Chemistry, University of Iowa
  • , Vicki H. GrassianAffiliated withDepartment of Chemistry, University of Iowa

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Transport through the atmosphere exposes mineral dust to a number of processes that alter its physicochemical properties, which in turn affects its direct and indirect impacts on climate. In this chapter, we review the physical and chemical processes that alter dust properties and their impacts on dust’s radiative properties, cloud condensation nucleus activity, morphology, nutrient and trace element solubility and the impacts of heterogeneous chemistry on dust surfaces on atmospheric composition.


Physical processing Chemical processing Dust dispersal Solubility Iron Nitrogen Nitric acid Nitrogen oxides Sulphur Ozone Chemical properties Particle surface Ageing