Climatic drivers and temporal dynamics of sandstorms in the Hexi Corridor, China
Daily data on sand-dust prevalence, precipitation, temperature, and wind speed from 13 national meteorological stations in wind and sand-prone areas of the Hexi Corridor were collected from 2005 to 2023, together with historical data from 1960 to 2020, to identify characteristic spatiotemporal varia...
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| Language: | English |
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Elsevier
2025-01-01
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| Series: | Climate Services |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2405880724000876 |
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| author | Yanying Li Xingwei Ma Fucun Wang Hongying Li Xin Nie Qifen Fu |
| author_facet | Yanying Li Xingwei Ma Fucun Wang Hongying Li Xin Nie Qifen Fu |
| author_sort | Yanying Li |
| collection | DOAJ |
| description | Daily data on sand-dust prevalence, precipitation, temperature, and wind speed from 13 national meteorological stations in wind and sand-prone areas of the Hexi Corridor were collected from 2005 to 2023, together with historical data from 1960 to 2020, to identify characteristic spatiotemporal variations in precipitation and temperature during 1–10 days before sand-dust events. The standardized precipitation evapotranspiration indices from January to December were also calculated. The influence of meteorological conditions at different time scales on the dust intensity in this region was then determined. It was found that (1) Sand abundance, the presence of desertified land, and the arid continental climate in the Hexi Corridor contributed significantly to the incidence of sandstorms in China. Due to its abundant sand, high temperatures, and large evaporation capacit-ies, Minqin showed the highest frequency of sandstorms. (2) The severe sandstorms and the high storm frequencies in the Hexi Corridor were found to be associated with warm and dry centers in the region, with the annual number of sandstorm days correlating positively with annual temperatures and negatively with precipitation (correlation coefficients of 0.58 and −0.29, respectively). (3) The wind thresholds of different dust intensities, precipitation, and temperature thresholds during the 1–10 days preceding sand-dust events, and their onset times were obtained,and the levels and regional distribution of drought in the Hexi Corridor during the preceding 1–12 months as well as the relationships among the parameters were assessed. |
| format | Article |
| id | doaj-art-80ac618789464355a5e4781e8c06e413 |
| institution | Kabale University |
| issn | 2405-8807 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Climate Services |
| spelling | doaj-art-80ac618789464355a5e4781e8c06e4132025-01-30T05:14:44ZengElsevierClimate Services2405-88072025-01-0137100532Climatic drivers and temporal dynamics of sandstorms in the Hexi Corridor, ChinaYanying Li0Xingwei Ma1Fucun Wang2Hongying Li3Xin Nie4Qifen Fu5Wuwei National Climate Observatory, Wuwei, Gansu 733000, China; Key Laboratory of Arid Climatic Change and Reducing Disaster of Gansu Province/Key Open Laboratory of Arid Climatic Change and Disaster Reduction of CMA/ Institute of Arid Meteorology, China Meteorological Administration, Lanzhou, Gansu 730020, China; Corresponding author at: Wuwei National Climate Observatory, Wuwei, Gansu 733000, China.Wuwei National Climate Observatory, Wuwei, Gansu 733000, ChinaZhangye National Climate Observatory, Zhangye, Gansu 734000, ChinaJiuquan Meteorological Bureau, Jiuquan 735000, ChinaKey Laboratory of Arid Climatic Change and Reducing Disaster of Gansu Province/Key Open Laboratory of Arid Climatic Change and Disaster Reduction of CMA/ Institute of Arid Meteorology, China Meteorological Administration, Lanzhou, Gansu 730020, ChinaLanzhou Resources & Environment Voc-Tech University, Lanzhou 730021, ChinaDaily data on sand-dust prevalence, precipitation, temperature, and wind speed from 13 national meteorological stations in wind and sand-prone areas of the Hexi Corridor were collected from 2005 to 2023, together with historical data from 1960 to 2020, to identify characteristic spatiotemporal variations in precipitation and temperature during 1–10 days before sand-dust events. The standardized precipitation evapotranspiration indices from January to December were also calculated. The influence of meteorological conditions at different time scales on the dust intensity in this region was then determined. It was found that (1) Sand abundance, the presence of desertified land, and the arid continental climate in the Hexi Corridor contributed significantly to the incidence of sandstorms in China. Due to its abundant sand, high temperatures, and large evaporation capacit-ies, Minqin showed the highest frequency of sandstorms. (2) The severe sandstorms and the high storm frequencies in the Hexi Corridor were found to be associated with warm and dry centers in the region, with the annual number of sandstorm days correlating positively with annual temperatures and negatively with precipitation (correlation coefficients of 0.58 and −0.29, respectively). (3) The wind thresholds of different dust intensities, precipitation, and temperature thresholds during the 1–10 days preceding sand-dust events, and their onset times were obtained,and the levels and regional distribution of drought in the Hexi Corridor during the preceding 1–12 months as well as the relationships among the parameters were assessed.http://www.sciencedirect.com/science/article/pii/S2405880724000876Dust intensityPreceding precipitation and temperatureDrought at different spatiotemporal scalesHexi Corridor |
| spellingShingle | Yanying Li Xingwei Ma Fucun Wang Hongying Li Xin Nie Qifen Fu Climatic drivers and temporal dynamics of sandstorms in the Hexi Corridor, China Climate Services Dust intensity Preceding precipitation and temperature Drought at different spatiotemporal scales Hexi Corridor |
| title | Climatic drivers and temporal dynamics of sandstorms in the Hexi Corridor, China |
| title_full | Climatic drivers and temporal dynamics of sandstorms in the Hexi Corridor, China |
| title_fullStr | Climatic drivers and temporal dynamics of sandstorms in the Hexi Corridor, China |
| title_full_unstemmed | Climatic drivers and temporal dynamics of sandstorms in the Hexi Corridor, China |
| title_short | Climatic drivers and temporal dynamics of sandstorms in the Hexi Corridor, China |
| title_sort | climatic drivers and temporal dynamics of sandstorms in the hexi corridor china |
| topic | Dust intensity Preceding precipitation and temperature Drought at different spatiotemporal scales Hexi Corridor |
| url | http://www.sciencedirect.com/science/article/pii/S2405880724000876 |
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