Vertical velocity field in the convective boundary layer as observed with an acoustic Doppler sodar |
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| Authors: | Odile Taconet Alain Weill |
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| Affiliation: | (1) Centre National d'Etudes des Télécommunications, Centre National de la Recherche Scientifique, C.R.P.E., 3, avenue de la République, 92131 Issy-les-Moulineaux, France |
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| Abstract: | The morning development of the daytime convective boundary layer (CBL) during fine weather has been observed with an acoustic Doppler sodar of the C.R.P.E. In particular, the vertical profile of the vertical velocity third-order statistic W*3 has been obtained. This quantity is a maximum near 0.3zI where zI, is the height of the CBL. The histogram of vertical velocity in the CBL shows a relationship between W 3 and the convective velocity W* and is useful for convective plume determination. |
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