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PLATEAU METEOROLOGY  1993, Vol. 12 Issue (1): 48-55    DOI:
    
THREE STATISTICAL MODELS FOR THE VERTICAL DISTRIBUTION OF THE ATMOSPHERIC REFRACTIVE INDEX OVER NORTHWEST REGION OF CHINA
Dai Tiepi, Zhang Peichang, Shen Peilu, Jiang Hangdong
Nanjing Institute of meteorology, Nanjing, Jiangsu 210044
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Abstract  In this paper,conventional radiosonde data from three representative observational stations in northwest region of China are used to establish three statistical models for the vertical distribution of the atmospheric refractive index based on the atmospheric refractive theory and the statistical approach.Results show that the current 4/3 effective earth's radius model has the lowest accuracy and can be used only below the height of 1 kilometer over the surface to guarantee sounding accuracy while the modified effective earth's radius model has the greatest accuracy.It is found that accuracy can be guaranteed by using the exponential model when below 3 kilometers over the surface.
Key words:  Atmospheric refractive index      Statistical model      Effective earth's radius      Reference atmosphere      Ray tracing     
Received:  13 March 1992      Published:  24 March 1993

Cite this article: 

Dai Tiepi, Zhang Peichang, Shen Peilu, Jiang Hangdong. THREE STATISTICAL MODELS FOR THE VERTICAL DISTRIBUTION OF THE ATMOSPHERIC REFRACTIVE INDEX OVER NORTHWEST REGION OF CHINA. PLATEAU METEOROLOGY, 1993, 12(1): 48-55.

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http://www.gyqx.ac.cn/EN/     OR     http://www.gyqx.ac.cn/EN/Y1993/V12/I1/48

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