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  2015, Vol. 34 Issue (2): 299-306    DOI: 10.7522/j.issn.1000-0534.2014.00032
    
Vertical Structure of Atmosphere on East Antarctic Plateau
FU Liang1, XIAO Cunde1,2, BIAN Lingen1, LIU Jingfeng2
1. Chinese Academy of Meteorological Sciences, Beijing 100081, China;
2. State Key Laboratory of Cryospheric Sciences, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, China
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Abstract  Based on the GPS radiosonde data obtained from the 28th Chinese Antarctic expedition during austral summer of 2012, the vertical structure of the troposphere and the boundary layer characteristics are analyzed. The results show that the average vertical temperature lapse rate of the Antarctic plateau middle troposphere is 5.2℃·km-1, which is significantly lower than the global average middle tropospheric lapse rate (6.5℃·km-1), the average height and temperature of lapse rate tropopause are 4.6 km and -51.3℃, respectively. The vapor exists mainly in the lower troposphere below 2 km. Multilayer inversion structure exists in the planetary boundary layer, strong inversion layer mainly exists below 500 m. The mean height of planetary boundary is 890 m, and it shows an obvious diurnal variation: low in the morning and high at noon. This study can provide ground truth value for validation and calibration of satellite data in inland Antarctic, and also lay an important foundation for the verification of the results get from the atmospheric general circulation model.
Key words:  East Antarctic Plateau station      GPS sounding      Tropopause      Planetary boundary layer height     
Received:  21 August 2013      Published:  24 April 2015
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Cite this article: 

FU Liang, XIAO Cunde, BIAN Lingen, LIU Jingfeng. Vertical Structure of Atmosphere on East Antarctic Plateau. , 2015, 34(2): 299-306.

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http://www.gyqx.ac.cn/EN/10.7522/j.issn.1000-0534.2014.00032     OR     http://www.gyqx.ac.cn/EN/Y2015/V34/I2/299

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