| 天气与气候 |
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| Observational Analysis on Relationship between Surface Sensible Heating Flux and Dust Storm in Midwestern Inner Mongolia |
| LI Zhang-jun1,2, SUN Zhao-bo1, JIANG Xue-gong3, MA Rui-fang2 |
| 1.Nanjing University of Information Science and Technology, Nanjing 210044, China; 2.Inner Mongolia Autonomous Regional Meteorological Bureau, Hohhot 010051, China; 3.Inner Mongolia Autonomous Region Meteorological Observatory, Hohhot 010051, China |
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Abstract Based on the hour-to-hour surface observational data and day-to-day dust storm data in midwestern Inner Mongolia from Mar. to May in 2005 and 2006, the surface sensitive heating flux and surface potential temperature were calculated and the relationship between them and dust storm was analyzed. The results show that a net surface heating appears at the midwestern part of Inner Mongolia in Spring; The surface sensitive heating flux is smaller in dust storm occurring years. Before dust storm occurrence the surface sensitive heating flux in high plain areas and desert areas reached the maximum while that in hill and plain areas began to decrease. The accumulative surface sensitive heating flux in high plain areas and hill areas is larger than that in desert areas. But the influence of surface sensitive heating flux on the dust storm in desert areas and high plain areas is more efficient than that in hill areas.
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Received: 01 January 1900
Published: 20 May 2008
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2008, Vol. 28 
