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Low Stratospheric Wind Measurement Using Mobile Rayleigh Doppler Wind LIDAR

  • Shu, Zhi-Feng (School of Space and Earth Science, University of Science and Technology of China) ;
  • Dou, Xian-Kang (School of Space and Earth Science, University of Science and Technology of China) ;
  • Xia, Hai-Yun (School of Space and Earth Science, University of Science and Technology of China) ;
  • Sun, Dong-Song (School of Space and Earth Science, University of Science and Technology of China) ;
  • Han, Yan (School of Space and Earth Science, University of Science and Technology of China) ;
  • Cha, Hyunki (Korea Atomic Energy Research Institute) ;
  • Kim, Dukhyeon (Hanbat National University) ;
  • Wang, Guo-Cheng (School of Space and Earth Science, University of Science and Technology of China) ;
  • Baik, Sunghoon (Korea Atomic Energy Research Institute) ;
  • Hu, Dong-Dong (School of Space and Earth Science, University of Science and Technology of China)
  • Received : 2011.12.22
  • Accepted : 2012.03.29
  • Published : 2012.06.25

Abstract

A mobile Rayleigh Doppler wind LIDAR at an eye-safe wavelength of 355 nm incorporating double-edge technique with triple-channel Fabry-Perot etalon is developed for wind measurement from 5 to 40km. The structure of this LIDAR system is described. An intercomparsion experiment with rawinsonde is made, showing good agreement with expected measurement accuracy. A continuous observation of stratosphere wind field for several days with temporal resolution of 15 min and spatial resolution of 200 m from 5 to 40 km is presented, demonstrating the stability and robustness of the LIDAR. A stratospheric quasi-zero wind layer can be found at around 20 km with a direction change from east to west evident in the continuous observation.

Keywords

References

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