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Effect of tree planting design and tree species on human thermal comfort in the tropics

机译：植树设计和树种对热带地区人类热舒适性的影响

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Trees behave in different ways on microclimate due to mainly distinct features of each species and planting strategies especially in the tropics. This paper quantifies the daily and seasonal microclimate behavior of various tree species with different planting design either individual or in clusters. This specific knowledge is an important step in the development of urban design guidelines based on the shading of trees and climate adaptation in urban areas in the tropics. It focuses on human thermal comfort based on the physiologically equivalent temperature (PET) for different species. Twelve species were analyzed: Handroanthus chrysotrichus (Mart. ex A.DC.) Mattos, Jacaranda mimosaefolia D. Don., Syzygium cumini L, Mangifera indica L, Pinus palustris L, Pinus coulteri L.; Lafoensia glyptocarpa L, Caesalpinia pluviosa F., Spathodea campanulata P. Beauv., Tipuana tipu F., Delonix indica F. and Senna siamea L. The results show that shading of trees can influence significantly human thermal comfort expressed by (PET). The species C. pluviosa F. presents the best possibility in terms of PET because it can reduce between 12 and 16 C for individual trees cluster can reduce between 12.5 and 14.5 degrees C. Appropriate vegetation used for shading public and private areas is essential to mitigate heat stress and can create better human thermal comfort especially in cities. The results can be seen as a possibility of improvement of outdoor thermal comfort conditions and as an important step in order to achieve sustainability in cities. (C) 2015 Elsevier B.V. All rights reserved.
机译：由于每种物种的主要特征和种植策略（尤其是在热带地区），树木在小气候下的行为方式不同。本文对不同树种的个体或成群种植的各种树种的每日和季节性微气候行为进行了量化。基于树木的阴影和热带地区城市地区的气候适应性，这一特定知识是制定城市设计准则的重要一步。它基于不同物种的生理等效温度（PET），着重于人类的热舒适性。分析了十二种：Handroanthus chrysotrichus（Mart。ex A.DC.）Mattos，Jacaranda mimosaefolia D. Don。，Syzygium cumini L，Mangifera indica L，Pinus palustris L，Pinus coulteri L.。紫花苜蓿L.Caesalpinia pluviosa F.，Spathodea campanulata P.Beauv。，Tipotana tipu F.，Delonix indica F.和Senna siamea L.结果表明，树木的阴影会显着影响（PET）表示的人体热舒适性。 C. pluviosa F.物种在PET方面表现出最大的可能性，因为它可以降低12至16摄氏度，单个树丛可以降低12.5至14.5摄氏度。为公共和私人区域遮荫使用适当的植被对于缓解热应力，可以创造更好的人体热舒适感，尤其是在城市中。结果可被视为改善室外热舒适条件的可能性，并且是实现城市可持续性的重要一步。 （C）2015 Elsevier B.V.保留所有权利。

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