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近几年来,我国各大城市的居住小区建筑群如雨后春笋般地矗立起来。在加高楼房层次以及缩短楼房间距,节省地皮等情况下,如何设法在建筑结构和布局上加以改进,以保证楼房底层在冬季有必需的卫生日照时间,而且还能改善通风条件,从而使居住区和室内的小气候条件得到改良,即为本文所讨论的内容。 相似文献
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影响城市热岛的因子分析 总被引:3,自引:0,他引:3
影响城市热岛强度的因子随着城市的规模、地理位置和气侯区域变化,也随时间变化。本文利用经验正交函数分解的方法,对上海和南京两城市的同时期观测资料作了分析,发现影响这两个城市热岛强度的物理机制有实质性差异,并从数量上确定各种因子对热岛强度的贡献大小。 相似文献
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METHODS CALCULATING THE SPATIAL DISTRIBUTION OF AGROCLIMATIC RESOURCES IN MOUNTAINOUS AREAS AND CLIMATIC EFFECTS OF MICROTOPOGRAPHY 下载免费PDF全文
The methods calculating the spatial distribution of agroclimatic resources (temperature,humidity,pre-cipitation,wind speed,etc.) in mountainous areas are presented.The linear model can be used for themean temperature,accumulated temperature,and the occurrence date and duration of limiting temperature,but the nonlinear model for extreme temperature,humidity,precipitation and wind speed.The climaticeffects of topography obtained from the application of these methods in the Shaxi River basin,FujianProvince,are also described.The results show that the methods proposed in this paper may effectivelydisclose the macro-and micro-variations of spatial distribution of agroclimatic resources in mountainousareas. 相似文献
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