HEATISLAND
本文作者： 21ST
It seems that Beijing just claimed its title last week as the latest “*furnace”, alongside the more traditional cities like Wuhan, Nanjing and Chongqing, which are notorious for their hot summers. But a more scientific term to describe these cities is “urban heat island” (UHI), which refers to the tendency of a city to be warmer than its surrounding area. Temperature differences are usually in the range of 1 to 6 C, and can reach as much as 12 C at night. |  |
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