走査型ドップラーライダーに対する傾斜補正手法の提案および検証

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タイトル別名
  • Proposal and Verification of Inclinations Compensation Method for Scanning Doppler Lidar
  • ソウサガタ ドップラーライダー ニ タイスル ケイシャ ホセイ シュホウ ノ テイアン オヨビ ケンショウ

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Since the urban boundary layer greatly affects the weather forecast and the transport of pollutants, it is important to capture its developmental process. Moving observation by Doppler lidar is effective for research the structure of the urban boundary layer. However, in doing movement observation by Doppler lidar, it is necessary to compensation the inclinations. In this study, proposal and verification were carried out of inclinations compensation method for scanning Doppler lidar. As a result of comparing the fixed DL and the moving DL, It was shown that the difference between the two is reduced by applying the inclination compensation to the three dimensional wind calculated by the VAD method, and the value of the moving DL becomes close to the fixed DL. From this, the usefulness of the inclinations compensation method proposed in this study was verified. Furthermore, the value obtained by the inclination compensation was small compared with the observed value of the horizontal wind, but it occupied a maximum of 30% with respect to the observed value of the vertical wind.

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