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Journal of Geographical Sciences

, Volume 21, Issue 2, pp 207–218 | Cite as

Possible influence of Arctic Oscillation on dust storm frequency in North China

  • Rui Mao
  • Daoyi Gong
  • Jingdong Bao
  • Yida Fan
Article

Abstract

This study has investigated the influence of Arctic Oscillation (AO) on dust storm frequency in North China in spring seasons during 1961–2007. There is a significant linkage between dust storm frequency and AO; a negative (positive) AO phase is related to an increased (decreased) dust storm frequency in North China. This relationship is closely related to changes in the cold air activity in Mongolia. The cold air activity exerts large impacts on the dust storm frequency; the frequency of cold air activity over Mongolia not only positively correlates with the dust storm frequency in North China, but also shows a long-term decreasing trend that is an important reason for the long-term decreasing of dust storm frequency in North China. The AO has large influence on the frequency of cold air activity over Mongolia; a negative (positive) AO phase is highly related to an increased (decreased) frequency of cold air activity over Mongolia, which results in an increased (decreased) dust storm frequency in North China.

Keywords

dust storm frequency cold air activity frequency Arctic Oscillation 

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Copyright information

© Science in China Press and Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  1. 1.State Key Laboratory of Earth Surface Processes and Resource EcologyBeijing Normal UniversityBeijingChina
  2. 2.Department of PhysicsBeijing Normal UniversityBeijingChina
  3. 3.School of Earth and Environmental SciencesSeoul National UniversitySeoulKorea
  4. 4.Chinese Disaster Reduction CenterBeijingChina

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