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Chinese Journal of Space Science ›› 2019, Vol. 39 ›› Issue (1): 84-92.doi: 10.11728/cjss2019.01.084

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Characterization of Mesospheric Inversion Layer with Rayleigh Lidar Data over Golmud

QIAO Shuai1,2, PAN Weilin1,2, BAN Chao1, CHEN Lei1,2, YU Ting3   

  1. 1 Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029;
    2 University of Chinese Academy of Sciences, Beijing 100049;
    3 Luoyang Electronic Equipment Test Center of China, Jiyuan 459000
  • Received:2018-01-16 Revised:2018-08-06 Online:2019-01-15 Published:2019-01-30

Abstract:

Based on the measurements of MARMOT (Middle Atmosphere Remote Mobile Observatory in Tibet) lidar located in Golmud, Qinghai (36.25°N, 94.54°E) from July to December 2014, Mesospheric Inversion Layer (MIL) over Golmud area has been analyzed. The average occurrence frequency of MIL over Golmud is 53.8% during this period. The occurrence frequency is highest and can be up to 76% in winter (December), is around 60% in autumn equinox, and is as low as 29% in summer (July, August). The amplitude of temperature inversion is within 5~20K, and the average value is 15.9K. The mean bottom altitude of MIL is 75.1km. The bottom altitude is higher and mainly from 77 to 84km in autumn. It is lower in winter and summer, and mainly from 64 to 74km. The mean width of MIL is 8.7km, and it increases from summer to winter.

Key words: Lidar, Mesosphere, Mesospheric Inversion Layer (MIL)

CLC Number: