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Cited by 874

The DOI matches its Crossref record; 28 of the 28 references it cites were found in a registry or an index.

Modeling of mineral dust in the atmosphere: Sources, transport, and optical thickness

Tegen, Ina, Fung, Inez·1994·Journal of Geophysical Research: Atmospheres

Abstract

A global three‐dimensional model of the atmospheric mineral dust cycle is developed for the study of its impact on the radiative balance of the atmosphere. The model includes four size classes of mineral dust, whose source distributions are based on the distributions of vegetation, soil texture and soil moisture. Uplift and deposition are parameterized using analyzed winds and rainfall statistics that resolve high‐frequency events. Dust transport in the atmosphere is simulated with the tracer transport model of the Goddard Institute for Space Studies. The simulated seasonal variations of dust concentrations show general reasonable agreement with the observed distributions, as do the size distributions at several observing sites. The discrepancies between the simulated and the observed dust concentrations point to regions of significant land surface modification. Monthly distribution of aerosol optical depths are calculated from the distribution of dust particle sizes. The maximum optical depth due to dust is 0.4–0.5 in the seasonal mean. The main uncertainties, about a factor of 3–5, in calculating optical thicknesses arise from the crude resolution of soil particle sizes, from insufficient constraint by the total dust loading in the atmosphere, and from our ignorance about adhesion, agglomeration, uplift, and size distributions of fine dust particles (<1 μm).

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Metadata

Authors
Tegen, I., & Fung, I.
Venue
Journal of Geophysical Research: Atmospheres
Published
1994-11-20
Volume
99
Issue
D11
Pages
22897-22914
ISSN
0148-0227 (ISSN-L)
OpenAlex
W2040011295
Cited by
874
References
28
FWCI
14.28
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Modeling of mineral dust in the atmosphere: Sources, transport, and optical thickness. https://app.cochat.ai/papers/10.1029/94jd01928
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Tegen, I., & Fung, I. (1994). Modeling of mineral dust in the atmosphere: Sources, transport, and optical thickness. Journal of Geophysical Research: Atmospheres. https://doi.org/10.1029/94jd01928

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