Special Issue "Soil/Mineral Dust Aerosols in the Earth System"

A special issue of Atmosphere (ISSN 2073-4433). This special issue belongs to the section "Aerosols".

Deadline for manuscript submissions: closed (15 September 2019).

Special Issue Editor

Guest Editor
Dr. Jan P. Perlwitz Website E-Mail
Climate, Aerosol, and Pollution Research, LLC, Bronx, New York, USA; NASA Goddard Institute for Space Studies, New York, New York, USA
Interests: earth system modeling; soil dust aerosol modeling; mineralogical composition of dust; heterogeneous ice nucleation; heterogeneous chemistry; soluble iron cycle; dust on Mars and exoplanets; nonlinear dynamics

Special Issue Information

Dear Colleagues,

In 1846, Charles Darwin wrote his report for the Quarterly Journal of the Geological Society about 15 instances of dust from Africa which had fallen on the decks of ships in the Atlantic. More than a 150 years later, the abundance of soil (mineral) dust aerosols, their physical and chemical properties, their role in weather and climate, and their impact on humans and society are systematically studied using various measurement techniques and models.

Dust is one of the most important aerosols in the Earth system. It directly alters radiative fluxes in the atmosphere by scattering and absorbing radiation in the shortwave and longwave range of the spectrum. The redistribution of radiative energy by dust aerosols influences the thermodynamic environment for cloud formation, which also affects the hydrological cycle and large-scale atmospheric circulation. Dust particles are also involved in cloud microphysical processes, since they can act as cloud condensation nuclei or ice-nucleating particles. Dust particles take up trace gases by heterogeneous chemical reactions, they mix with other aerosols, and by carrying and processing nutrients such as soluble iron, they are very important for the biogeochemical cycles of the planet. Bacteria and fungi are advected with dust, potentially affecting human health. It has been increasingly recognized that an improved understanding of the involvement of dust aerosols in the aforementioned processes requires the consideration of a proper description of their physical parameters, their mineralogical and chemical composition, and the mixing of dust particles with other aerosols.

For this Special Issue, we invite you to present your new research on the diverse and complex properties of soil dust aerosols as well as how dust aerosols are involved in the various processes in the Earth system. Both measurement and modeling studies are welcome.

Dr. Jan P. Perlwitz
Guest Editor

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  • soil dust aerosols
  • dust size distribution
  • dust composition
  • dust radiative effect
  • cloud condensation nuclei
  • heterogeneous ice nucleation
  • dust heterogeneous chemistry
  • biogeochemical cycles
  • soluble iron cycle
  • dust–climate interaction

Published Papers (1 paper)

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Open AccessArticle
Inverting the East Asian Dust Emission Fluxes Using the Ensemble Kalman Smoother and Himawari-8 AODs: A Case Study with WRF-Chem v3.5.1
Atmosphere 2019, 10(9), 543; https://doi.org/10.3390/atmos10090543 - 12 Sep 2019
We present the inversions (back-calculations or optimizations) of dust emissions for a severe winter dust event over East Asia in November 2016. The inversion system based on a fixed-lag ensemble Kalman smoother is newly implemented in the Weather Research and Forecasting model and [...] Read more.
We present the inversions (back-calculations or optimizations) of dust emissions for a severe winter dust event over East Asia in November 2016. The inversion system based on a fixed-lag ensemble Kalman smoother is newly implemented in the Weather Research and Forecasting model and is coupled with Chemistry (WRF-Chem). The assimilated observations are the hourly aerosol optical depths (AODs) from the next-generation geostationary satellite Himawari-8. The posterior total dust emissions (2.59 Tg) for this event are 3.8 times higher than the priori total dust emissions (0.68 Tg) during 25–27 November 2016. The net result is that the simulated aerosol horizontal and vertical distributions are both in better agreement with the assimilated Himawari-8 observations and independent observations from the ground-based AErosol RObotic NETwork (AERONET), the satellite-based Moderate Resolution Imaging Spectroradiometer (MODIS) and the Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observations (CALIPSO). The developed emission inversion approach, combined with the geostationary satellite observations, can be very helpful for properly estimating the Asian dust emissions. Full article
(This article belongs to the Special Issue Soil/Mineral Dust Aerosols in the Earth System)
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