2018
DOI: 10.1016/j.atmosenv.2018.03.050
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Temporal and spatial characteristics of dust devils and their contribution to the aerosol budget in East Asia—An analysis using a new parameterization scheme for dust devils

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Cited by 17 publications
(15 citation statements)
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“…Considering a possible overestimation of ambient dust emission and the potential to improve the considered region which are relevant for dust emission by dust devils (see Appendix A), the contribution could increase further. A contribution of 5% is significantly less than previous regional estimates of about 30%-50% that were based on observational data and/or large-scale modeling (Han et al, 2016;Pan et al, 2021;Tang et al, 2018), but it is significantly higher than the only existing estimate based on LES (0.03%-0.19% for Australia, Klose & Shao, 2016). Reasons for these deviations are diverse.…”
Section: Contribution By Dust Devilsmentioning
confidence: 65%
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“…Considering a possible overestimation of ambient dust emission and the potential to improve the considered region which are relevant for dust emission by dust devils (see Appendix A), the contribution could increase further. A contribution of 5% is significantly less than previous regional estimates of about 30%-50% that were based on observational data and/or large-scale modeling (Han et al, 2016;Pan et al, 2021;Tang et al, 2018), but it is significantly higher than the only existing estimate based on LES (0.03%-0.19% for Australia, Klose & Shao, 2016). Reasons for these deviations are diverse.…”
Section: Contribution By Dust Devilsmentioning
confidence: 65%
“…It is first initiated by sand-sized particles with a diameter of 80 μm as soon as the threshold friction velocity u * t of approximately 0.2 m s 1 is exceeded (Marticorena & Bergametti, 1995;White, 1979), which is usually the case in the event of dust storms . However, even during such strong wind erosion events, the threshold is exceeded only occasionally (Stout & Zobeck, 1997). Thus, saltation is considered as an intermittent rather than a continuous process (Shao, 2008).…”
Section: Introductionmentioning
confidence: 99%
“…Tang et al. (2018) established a new parameterization scheme coupled with WRF‐Chem Model and found that dust devils contributed about 30.4 ± 13% to atmospheric dust aerosols in East Asia. By combining observed meteorological data and estimation model, Ma et al.…”
Section: Introductionmentioning
confidence: 99%
“…Han et al (2016) estimated that dust devils contributed 53% to the total annual desert dust in western China based on satellite and Lidar observations. Tang et al (2018) established a new parameterization scheme coupled with WRF-Chem Model and found that dust devils contributed about 30.4 ± 13% to atmospheric dust aerosols in East Asia. By combining observed meteorological data and estimation model, Ma et al (2020) gave an estimate of 46.5% for the same region.…”
mentioning
confidence: 99%
“…Teixeira et al [30] used WRF-Chem to investigate its sensitivity to vertical resolution during a 22-23 June 2012 dust event over North Africa; results indicated that the model was able to transport particles from the ground to higher layers. Tang et al [31] examined the spatial and temporal characteristics of dust events and their contribution to the budget of aerosols in Eastern Asia, using WRF-Chem and a parametric tool for dust analysis. The results showed that dust loadings peaked in the afternoon and in summer.…”
Section: Introductionmentioning
confidence: 99%