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室外热环境对区域气候、城市水文、空气质量等方面的影响,引发了诸多城市生态环境问题。绿化作为一种室外被动降温技术,是在不增加能源消耗的基础上,在规划和设计阶段采取合理的方式改善室外热环境。本文通过试验与模拟结合的方式,分析得出典型下垫面热环境参数,总结出在保证较好的室外热环境条件下绿地率指标的合理范围,供设计和规划人员选用。
The impact of outdoor thermal environment on the regional climate, urban hydrology, air quality and other aspects, has caused many urban ecological environment problems. Greening as an outdoor passive cooling technology is to improve the outdoor thermal environment in a reasonable way during the planning and design stages without increasing energy consumption. Through the combination of experiment and simulation, this paper analyzes the typical thermal environment parameters of the underlying surface and summarizes the reasonable range of the green space rate index under the condition of ensuring good outdoor thermal environment for design and planners to choose.