Wind characteristics in the lowest 340 m of the atmospheric boundary layer at Pune,India |
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| Authors: | Surendra S Parasnis |
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| Institution: | (1) Indian Institute of Tropical Meteorology, 411 008 Pune, India |
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| Abstract: | Wind characteristics in the lowest 340 m (agl) of the atmospheric boundary layer at Pune (18°32 N, 73°51E, 559 m ASL) have been investigated using the pilot balloon wind observations obtained during the summer monsoon seasons of 1976, 1979 and 1980. Variations in the zonal and meridional components of wind at the surface, 40, 150 and 340 m (agl) have been described. Frequency distribution of the zonal component showed an unimodal character at the surface, which gradually approached a multimodal character at 340 m. The distribution pattern of the wind components was, by and large, normal. Spectral analysis of the wind components showed that the spectral energy was predominantly shared by 5–7 and 2–3 day periods. |
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