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Micro-scale thermal performance of tropical urban parks in Singapore

机译:新加坡热带城市公园的微型热性能

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摘要

As Singapore is near the equator, heat is a concern, especially given the increasing yearly average temperatures and significant urban heat island effects. National greening policies propose increasing the number of parks; this may indirectly benefit thermal conditions at a macro level, but there has been little consideration of the thermal environment within these spaces. This study examined micro-scale thermal conditions within 10 urban parks at the hottest period of the year, assessing operative temperature with three measurement variables: air temperature (t(a)), globe temperature (t(g)), and wind velocity (v). It found that 1) thermal performances between and within parks range widely, and 2) critical thermal points in the respective parks highlight the value of shade, especially in terms of volume and continuity over a length of path. The findings suggest the need for a quantitative study of design factors to guide the future planning and design of climatically adapted parks in the tropics. (C) 2015 Elsevier Ltd. All rights reserved.
机译:由于新加坡临近赤道,因此热量是一个问题,尤其是考虑到年平均气温不断升高以及城市热岛效应显着的情况。国家绿化政策建议增加公园数量;这可能会间接地从宏观上有益于热条件,但是很少考虑这些空间内的热环境。这项研究检查了一年中最热的10个城市公园内微观尺度的热状况,通过三个测量变量评估了工作温度:空气温度(t(a)),地球温度(t(g))和风速( v)。研究发现,1)公园之间和公园内部的热性能范围很广,以及2)各个公园中的临界温度点突出了阴影的价值,尤其是在路径长度上的体积和连续性方面。研究结果表明,需要对设计因素进行定量研究,以指导热带地区适应气候变化的公园的未来规划和设计。 (C)2015 Elsevier Ltd.保留所有权利。

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