WIND OBSERVATION OVER THE MOUNTAINOUS REGION BY A DOPPLER SODAR

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  • ドップラーソーダによる山岳地での上空風観測
  • ドップラー ソーダ ニ ヨル サンガクチ デ ノ ジョウクウ カゼ カンソク

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Abstract

The vertical structure of wind over the mountainous region are studied using a Doppler sodar. Field observations were made near the test power transmission line (Tsuruga Test Line). In the case of northerly wind with average speed of 12-16 m/s, the profile of wind speed shows a maximum value around 40 m from the surface. It is considered that the wind is intensified by convergence near the slope surface of the moutain. The wind direction near the surface is shifted by the slope to north-south direction which is perpendicular to the rigde line.Northerly wind above the ridge blows with upward component by the effect of the slope.

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