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COMPARISON BETWEEN THE WIND AND TEMPERATURE FIELDS WITHIN THE ROUGHNESS SUB-LAYER AND AN OPEN AREA

机译:粗糙度子层内风和温度场的比较和开放区域

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The urban environment is one of the most studied fields in the atmospheric boundary layer (Roth 2000). Yet, due to its special complexities, such as the large size of roughness elements and the local spatial variability in wind field, it is still treated mainly on a semi-empirical basis. As a result, there is still a great demand for directly measured, high quality data both in the urban area and as a comparison to open area. We present results of wind, temperature and turbulent fluxes from a field experiment that included measurement on two roofs and in a street between them, deep within an urban fetch of a coastal city in Israel during the summer. The wind conditions that prevail are those of the breeze cycle. The city is east of the seashore, giving rise to a western sea breeze during daytime.
机译:城市环境是大气边界层中最受研究的最受研究领域之一(Roth 2000)。然而,由于其特殊的复杂性,如大尺寸的粗糙度元素和风场的局部空间变异性,因此仍然主要以半经验为基础对待。因此,仍然存在对城市地区的直接测量,高质量数据以及与开放区域的比较需求。我们呈现出野外实验的风力,温度和湍流通量的结果,其中包括两个屋顶和它们之间的街道上的测量,在夏季在以色列的城市沿海城市的城市获取内。普及的风条件是微风循环的条件。这座城市是海边的东部,在白天在西海微风中转。

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