Contributions of dusty weather and dust devil to dust emission amounts at the northern margin of the Taklimakan Desert

Mingjie Ma, Xinghua Yang (), Chenglong Zhou, Qing He () and Ali Mamtimin
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Mingjie Ma: China Meteorological Administration
Xinghua Yang: China Meteorological Administration
Chenglong Zhou: China Meteorological Administration
Ali Mamtimin: China Meteorological Administration

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2020, vol. 103, issue 1, No 66, 1454 pages

Abstract: Abstract Observation data of the meteorology and dust devil over the desert transition zone at the northern margin of the Taklimakan Desert were combined estimation models for dust emission amounts (DEAs) by dusty weather and dust devil. The aim of the study was to quantitatively determine the contributions of the two weather conditions to the DEAs of the study area. The results indicated that the total DEAs in spring, summer, autumn, and winter were 8.07, 23.62, 1.38, and 0.014 t/km2, respectively, accounting for 24.39, 71.40, 4.17, and 0.04% of the annual total DEAs. The DEAs by dusty weather in the four seasons were 6.55, 10.89, 0.27, and 0.011 t/km2, respectively, accounting for 36.96, 61.45, 1.52, and 0.07% of the annual value, while the DEAs by dust devil in the four seasons were 1.52, 12.73, 1.11, and 0.0033 t/km2, respectively. And the contribution rates of dusty weather and dust devil to the total DEAs were 53.5 and 46.5%, respectively.

Keywords: Dust emission; Dusty weather; Dust devil; The Taklimakan Desert (search for similar items in EconPapers)
Date: 2020
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Citations: View citations in EconPapers (1)

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DOI: 10.1007/s11069-020-04043-3

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