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- W4386760964 abstract "<strong class=journal-contentHeaderColor>Abstract.</strong> Dust emission refers to the spatial displacement process of soil particles with the influence of wind. The quantitative and accurate description of dust emission is the basis of dust simulation in the modeling. The previous studies always employed static land cover in the numerical models, ignoring dynamic variations in the surface bareness and leading to large uncertainties in the dust simulation. We build six sets of dynamic dust sources functions, which shows a pronounced monthly and annual variability with the influence of seasonal change. Compared that in July, the dynamic dust source in March shows an expanding pattern to the edge of the deserts. Moreover, the dust source function in the Taklimakan Desert and Gobi Desert decrease at an annual rate of 2.42 × 10<sup>-4</sup> and 3.06 × 10<sup>-4</sup>. The Weather Research and Forecasting model coupled to Chemistry (WRF-Chem) coupled with dynamic dust sources can effectively reproduce the spatiotemporal distribution of aerosol within satellite and ground-based observations. Our results show that the surface bareness and topographic characteristics jointly control the spatial distribution and value of dynamic dust sources. Further, the dynamic change of dust source further affects the dust emission and dust cycle. This study highlights the importance of surface bareness and the topographic characteristics on the dynamic dust source, and effectively improves dust cycle simulation over East Asia." @default.
- W4386760964 created "2023-09-16" @default.
- W4386760964 date "2023-09-16" @default.
- W4386760964 modified "2023-09-26" @default.
- W4386760964 title "Comment on gmd-2023-81" @default.
- W4386760964 doi "https://doi.org/10.5194/gmd-2023-81-rc2" @default.
- W4386760964 hasPublicationYear "2023" @default.
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