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首页> 外文会议>25th Conference on Agricultural and Forest Meteorology and 12th Joint Conference on the Applications of Air Pollution Meteorology with Aamp;WMA and Fourth Symposium on the Urban Environment May 20-24, 2002 Norfolk, Virginia >CANOPY ALBEDOS AND REPRESENTATIVE TEMPERATURES FOR REGULARLY DISTRIBUTED RECTANGULAR OBSTACLES
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CANOPY ALBEDOS AND REPRESENTATIVE TEMPERATURES FOR REGULARLY DISTRIBUTED RECTANGULAR OBSTACLES

机译：规则分布矩形障碍物的冠层白度和代表温度

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摘要

Urban canopy structures could make influences on the upper atmospheric boundary layer through energy exchanges. The radiation and turbulence within and above urban canopy layer are dominant processes for surface energy budgets. The purposes of this study are the followings. (1) The first is to make a database of canopy albedos corresponding to a wide range of urban geometries and season. A numerical scheme of radiation transfer within a 3D urban canopy is developed and validated in comparison with the experimental data. (2) The second is to investigate the relationship between surface geometries and representative urban surface temperatures. (3) The third is to estimate the energy balance and heat transfer coefficient at six different surfaces (roof, floor and four wall surfaces), and to investigate their dependency on urban geometries.
机译：城市的树冠结构可以通过能量交换对高层大气边界层产生影响。城市冠层内外的辐射和湍流是地表能量收支的主要过程。本研究的目的如下。 （1）首先是建立一个与各种城市几何形状和季节相对应的冠层反照率数据库。与实验数据相比，开发并验证了3D城市雨棚内辐射传输的数值方案。 （2）第二是研究地表几何形状与代表性城市地表温度之间的关系。 （3）第三步是估计六个不同表面（屋顶，地板和四个墙壁表面）的能量平衡和传热系数，并研究它们对城市几何形状的依赖性。

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