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Seasonal Variations of Mesospheric Densities Observed by Rayleigh Lidar at Golmud, Qinghai

DAI Yaru PAN Weilin QIAO Shuai HU Xiong YAN Zhaoai BAN Chao

DAI Yaru, PAN Weilin, QIAO Shuai, HU Xiong, YAN Zhaoai, BAN Chao. Seasonal Variations of Mesospheric Densities Observed by Rayleigh Lidar at Golmud, Qinghai[J]. 空间科学学报, 2020, 40(2): 207-214. doi: 10.11728/cjss2020.02.207
引用本文: DAI Yaru, PAN Weilin, QIAO Shuai, HU Xiong, YAN Zhaoai, BAN Chao. Seasonal Variations of Mesospheric Densities Observed by Rayleigh Lidar at Golmud, Qinghai[J]. 空间科学学报, 2020, 40(2): 207-214. doi: 10.11728/cjss2020.02.207
DAI Yaru, PAN Weilin, QIAO Shuai, HU Xiong, YAN Zhaoai, BAN Chao. Seasonal Variations of Mesospheric Densities Observed by Rayleigh Lidar at Golmud, Qinghai[J]. Journal of Space Science, 2020, 40(2): 207-214. doi: 10.11728/cjss2020.02.207
Citation: DAI Yaru, PAN Weilin, QIAO Shuai, HU Xiong, YAN Zhaoai, BAN Chao. Seasonal Variations of Mesospheric Densities Observed by Rayleigh Lidar at Golmud, Qinghai[J]. Journal of Space Science, 2020, 40(2): 207-214. doi: 10.11728/cjss2020.02.207

Seasonal Variations of Mesospheric Densities Observed by Rayleigh Lidar at Golmud, Qinghai

doi: 10.11728/cjss2020.02.207
基金项目: 

Supported by the National Key R and D Program of China (2018YFC1407301, 2016YFC1400301) and the National Natural Science Foundation of China (41127901)

详细信息
    作者简介:

    DAI Yaru,E-mail:panweilin@mail.iap.ac.cn

  • 中图分类号: P351

Seasonal Variations of Mesospheric Densities Observed by Rayleigh Lidar at Golmud, Qinghai

Funds: 

Supported by the National Key R and D Program of China (2018YFC1407301, 2016YFC1400301) and the National Natural Science Foundation of China (41127901)

More Information
    Author Bio:

    DAI Yaru,E-mail:panweilin@mail.iap.ac.cn

  • 摘要: From Aug. 2013 to Oct. 2015, a Rayleigh lidar has been used to study the middle atmosphere at Golmud (36.25°N, 94.54°E), Qinghai, located in the northeastern part of the Tibetan Plateau. Mesospheric density profiles from 50 to 90 km were retrieved based on 205 nights of lidar observation, with a total of 1616 hours of operation. We compared our lidar density measurements with SABER observations onboard TIMED satellite and MSIS-00 model data. The results showed that the annual mean density measured by lidar agreed well with SABER data, but both were lower than that of MSIS-00. All datasets exhibited dominant annual oscillation in the mesosphere. From 63 to 85 km, the annual amplitude of lidar density is larger than those of SABER and MSIS-00. PDD (Percentage of Density Difference) was calculated to investigate the mesospheric density climatology. The largest density variations of lidar, MSIS-00, and SABER occurred at around 72 km. Both lidar and SABER PDD reached their maximum in May, about one month earlier than the MSIS-00; while the minimum PDD appeared in late December for all datasets.

     

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出版历程
  • 收稿日期:  2019-02-25
  • 修回日期:  2019-12-25
  • 刊出日期:  2020-03-15

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