Water, Air and Soil Pollution: Focus

, Volume 3, Issue 2, pp 67-79

First online:

The Relation Between Sandstorms and Strong Winds in Xinjiang, China

  • Xu WangAffiliated withXinjiang Center of Environmental Meteorology Email author 
  • , Yu MaAffiliated withXinjiang Center of Environmental Meteorology
  • , Hongwu ChenAffiliated withXinjiang Center of Environmental Meteorology
  • , Gang WenAffiliated withSTART Regional Center for Temperate East Asia, Institute of Atmospheric Physics, Chinese Academy of Sciences
  • , Shoujun ChenAffiliated withChina-Korea Center for Atmospheric Research, Department of Geophysics, Peking University
  • , Zuyu TaoAffiliated withChina-Korea Center for Atmospheric Research, Department of Geophysics, Peking University
  • , Yong-Seung ChungAffiliated withKorea-China Center for Atmospheric Research

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With observational data spanning 1961–1999 from 90 meteorological stations in Xinjiang, China, the spatial and temporal characteristics of sandstorms and strong winds, and the contribution of strong winds to the occurrence of sandstormsare analyzed. Moreover, the dominant wind direction and minimumwind speeds during sandstorm periods are discussed. The research shows that although possessing similar climatic trends, sandstorms and strong winds in Xinjiang have opposite geographical distributions, i.e. places with more sandstorms show fewer strong winds. The contribution of strongwinds to sandstorms in northern Xinjiang is larger than that insouthern Xinjiang. The dominant wind directions clearly indicatethe paths of the weather systems that introduced the sandstorms.The minimum wind speeds in the sandstorms were over 10 ms-1in northern and eastern Xinjiang and in the Turpan and Yanqi Basins of southern Xinjiang. In Tarim Basin of southern Xinjiang,however, the minimum wind speed was about 6–8 ms-1, and even 6 ms-1 at its southern edge.

dominant wind direction minimum wind speed sandstorm strong wind Xinjiang