Longitudinal spectra of wind velocity in the atmospheric surface layer perturbed by a small topographic ridge

被引：1
|
作者：
Tampieri, F [1 ]
Mammarella, I
Maurizi, A
机构：
[1] CNR, ISAC, I-40126 Bologna, Italy
[2] FMI, Helsinki, Finland
来源：
NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA C-GEOPHYSICS AND SPACE PHYSICS | 2004年 / 27卷 / 02期
关键词：
D O I：
10.1393/ncc/i2004-10016-0
中图分类号：
学科分类号：
摘要：
Turbulence measurements carried out in the near neutral surface layer are presented. The wind velocity components were measured with sonic anemometers at 2 and 10 m height. Three masts are considered, placed about 4 km upwind, on the top and about 6 km downwind of Inexpressible Island, a relief 300 m high and 1 km in cross-section. Spectral features are discussed in detail. Local equilibrium is found in the inertial subrange and in (at least in part of) the intermediate range, characterized by different slopes upwind and downwind (k(-1) and k(-5/3), respectively) for the components parallel to the terrain.
引用
收藏
页码：167 / 178
页数：12
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