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A model for mineral dust emission

Shao, Yaping·2001·Journal of Geophysical Research: Atmospheres

Abstract

In the new dust emission model presented in this paper, the two major dust emission mechanisms are considered, namely, saltation bombardment and aggregates disintegration. The emission of dust generated by the first mechanism is modeled from the perspective of volume removal caused by saltating particles and that arising from the second mechanism is related to the streamwise saltation flux. The dust emission rate is constrained by using the information of minimally and fully dispersed particle size distributions. The performance of the dust emission model is compared with the available field measurements. Despite large uncertainties both in measurements and model parameters, the comparison shows that the model is promising. The accuracy of the model depends on the availability of high‐quality particle size data. It is proposed to establish a detailed database of particle size distributions for various soil types for the purpose of modeling dust emission over large areas.

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Metadata

Authors
Shao, Y.
Venue
Journal of Geophysical Research: Atmospheres
Published
2001-09
Volume
106
Issue
D17
Pages
20239-20254
ISSN
0148-0227 (ISSN-L)
OpenAlex
W1975638243
Cited by
484
References
0
FWCI
13.21
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: A model for mineral dust emission. https://app.cochat.ai/papers/10.1029/2001jd900171
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Shao, Y. (2001). A model for mineral dust emission. Journal of Geophysical Research: Atmospheres. https://doi.org/10.1029/2001jd900171

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.