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| The Variation of Sandstorm Days during 1971-2010 in Bashang Area, Hebei, China and Its Correlation with Meteorological Factors |
| Liu Xiaoying1, Zhou Peng1, Zhang Zexiu2, Yang Bin3, Shen Bin4 |
1. Sanhe Meteorological Bureau, Langfang 065200, Hebei, China;
2. Linfen Meteorological Bureau, Linfen 041000, Shanxi, China;
3. Zhangjiakou Meteorological Bureau, Zhangjiakou 075000, Hebei, China;
4. Fushun Meteorological Bureau, Fushun 113000, Liaoning, China |
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Abstract The seasonal change and annual variation characteristics of sandstorm days in Bashang area, Hebei, Chian and their correlations with wind, precipitation and temperature were analyzed by applying the ground observation data from 1971 to 2010. The result indicated that the sandstorm days varied during seasons shift in Bashang area. The sandstorm days occurred frequently in spring, taking up 84.88% of the annual occurrences; The sandstorm days happened least in Autumn, taking up 1.39% of the annual occurrences. The sandstorm days happened more in winter than in summer. The annual sandstorm days toped in 1970s, less in 1980s, reached the lowest in 1990s, But rebounded after 2000. Generally, the frequency of sandstorm showed decrease. Annual frequency of sandstorm was significantly positively correlative with annual strong wind day; and was correlative with the precipitation at the early and current stages, but the correlation wasn't significant; and was significantly negative correlative with annual average temperature.
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Received: 30 June 2013
Published: 20 July 2014
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Corresponding Authors:
周鹏（Email：p_zhou2010@hotmail.com）
E-mail: p_zhou2010@hotmail.com
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2014, Vol. 34 
