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Development of an operational modeling system for urban heat islands: an application to Athens, Greece

机译：开发城市热岛操作模型系统：在希腊雅典的应用

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摘要

The urban heat island (UHI) effect is one prominent form of localized anthropogenic climate modification. It represents a significant urban climate problem since it occurs in the layer of the atmosphere where almost all daily human activities take place. This paper presents the development of a high-resolution modeling system that could be used for simulating the UHI effect in the context of operational weather forecasting activities. The modeling system is built around a state-of-the-art numerical weather prediction model, properly modified to allow for the better representation of the urban climate. The model performance in terms of simulating the near-surface air temperature and thermal comfort conditions over the complex urban area of Athens, Greece, is evaluated during a 1.5-month operational implementation in the summer of 2010. Results from this case study reveal an overall satisfactory performance of the modeling system. The discussion of the results highlights the important role that, given the necessary modifications, a meteorological model can play as a supporting tool for developing successful heat island mitigation strategies. This is further underlined through the operational character of the presented modeling system.
机译：城市热岛效应（UHI）是局部人为气候变化的一种主要形式。它代表着一个严重的城市气候问题，因为它发生在几乎所有日常人类活动发生的大气层中。本文介绍了高分辨率建模系统的开发，该系统可用于在运行天气预报活动的情况下模拟UHI效应。该建模系统是围绕最新的数值天气预报模型建立的，该模型经过适当修改以更好地表示城市气候。在模拟希腊雅典复杂市区的近地表空气温度和热舒适条件方面的模型性能，是在2010年夏季进行的1.5个月的运营实施过程中进行评估的。该案例研究的结果揭示了总体建模系统的性能令人满意。对结果的讨论强调了重要的作用，只要进行必要的修改，气象模型就可以作为制定成功​​的热岛缓解策略的辅助工具。通过所提供的建模系统的操作特性进一步强调了这一点。

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