V2EX urban heat island

Urban Heat Island

释义 Definition

城市热岛效应:指城市地区由于建筑物、道路等硬化地表吸热蓄热、植被减少、空调与交通等人为排热,以及通风条件变化等原因,导致城市气温明显高于周边郊区或乡村的现象。(也常简称 UHI

发音 Pronunciation (IPA)

/bn hit alnd/

例句 Examples

The urban heat island makes summer nights warmer in the city.
城市热岛效应让城市的夏夜更暖。

Because of dense buildings and limited green space, the urban heat island can increase energy demand, worsen air quality, and raise heat-related health risks during heatwaves.
由于建筑密集且绿地有限,城市热岛效应会增加能源需求、加剧空气污染,并在热浪期间提高与高温相关的健康风险。

词源 Etymology

该词由 urban(城市的)+ heat(热)+ island(岛)构成,是一种形象化比喻:把城市看作“被较凉的郊区包围的一块更热的区域”,像“热的岛屿”一样突出。该概念在20世纪的城市气候研究中逐渐固定为术语,并在环境科学与城市规划领域广泛使用。

相关词 Related Words

文学与重要著作 Notable Works

  • 《The Urban Climate》(T. R. Oke):城市气候学经典著作,系统讨论包括 urban heat island 在内的城市气候现象。
  • IPCC 报告(如 《Climate Change 2021: The Physical Science Basis》):在城市气候风险与适应章节中常出现 urban heat island
  • 《Cities and Climate Change》(UN-Habitat 等相关出版物与报告):讨论城市变暖、热风险治理时频繁使用该术语。
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