ライダー観測値ナッジングによるWRF 海上風シミュレーションの高精度化

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書誌事項

タイトル別名
  • Enhanced offshore wind simulations with WRF using LiDAR observation nudging
  • ライダー カンソクチ ナッジング ニ ヨル WRF カイジョウフウ シミュレーション ノ コウセイドカ

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説明

Offshore wind simulations using a mesoscale meteorological model WRF (Weather Research and Forecasting) for six months were conducted at a coastal research platform in Ibaraki Prefecture. The simulated offshore wind speeds were validated with results from a dual vertical LiDAR (Light Detection and Ranging) measurement campaign at HORS (Hazaki Oceanographic Research Station). WRF simulations with 500 m and 100 m grid resolutions were run while testing the effects of the observational nudging option on the WRF offshore wind simulations. As a result, the accuracy of the simulated wind speed was found to be slightly improved by just increasing the horizontal resolution from 500 m to 100 m grids. Moreover, a bigger impact was observed when the LiDAR vertical wind profiles above surface layer was nudged to the high-resolution WRF simulation every 10 minutes.

収録刊行物

  • 風力エネルギー

    風力エネルギー 42 (2), A_17-A_24, 2018

    一般社団法人 日本風力エネルギー学会

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