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首页> 外文期刊>Landscape and Urban Planning >Refreshing the role of open water surfaces on mitigating the maximum urban heat island effect.
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Refreshing the role of open water surfaces on mitigating the maximum urban heat island effect.

机译：刷新开放水面在减轻最大城市热岛效应方面的作用。

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摘要

During warm summer episodes citizens in urban areas are subject to reduced human thermal comfort and negative health effects. To mitigate these adverse effects, land use planners and urban designers have used the evaporative power of water bodies as a tool to limit the urban heat island effect (UHI) and undesirable human thermal comfort. Based on weather observations by Dutch hobby meteorologists and a station network in Rotterdam (Netherlands), we show that water bodies increase rather than decrease the 95 percentile of the daily maximum UHI. The high heat capacity of water suppresses the diurnal and annual cycle over water, and water temperatures remain relatively high after evening and season transitions. This is reflected to the 2 m temperature above and in the surround of the water body, and in a relatively high UHI. Our result has consequences for the daily practice in urban design concerning microclimate effects.
机译：在炎热的夏季，城市居民的人体热舒适度下降，对健康造成负面影响。为了减轻这些不利影响，土地使用规划人员和城市设计师已将水体的蒸发能力用作限制城市热岛效应（UHI）和不良的人类热舒适性的工具。根据荷兰业余气象学家的天气观察以及在鹿特丹（荷兰）的气象站网络，我们发现水体增加而不是减少了每日最大UHI的95％。水的高热容量抑制了水的昼夜循环和年循环，并且在傍晚和季节转换后水温仍然相对较高。这反映到水体上方和周围2 m的温度以及相对较高的UHI中。我们的结果对涉及小气候影响的城市设计日常实践产生了影响。

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