Climate change in cities due to global warming and urban effects
Climate change in cities due to global warming and urban effects
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DOI：
10.1029/2010gl042845
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发表时间：
2010-05-08
影响因子：
5.2
通讯作者：
Betts, Richard A.
中科院分区：
文献类型：
--
作者：
McCarthy, Mark P.;Best, Martin J.;Betts, Richard A.
据估计，到2050年，城市化将导致60亿城市居民。城市将暴露在温室气体导致的辐射强迫和城市化的局部影响(如城市热岛)造成的气候变化中。在HadAM3全球气候模式中包括了一个城市地表模式。它表明，人口高增长的地区与城市热岛潜力高的地区重合，最明显的是在中东、印度次大陆和东非。气候变化有能力改变城市热岛的气候潜力，一些地区增加了30%，但全球平均减少了6%。由城市化和能源消耗增加引起的变暖和极端高温事件被模拟为与一些地区二氧化碳倍增的影响一样大，而气候变化增加了农村和城市地区极端炎热夜晚的差异。引文：McCarthy，M.P.，M.J.Best和R.A.Betts(2010)，由于全球变暖和城市效应导致的城市气候变化，地球物理。研究报告，37，L09705，DOI：10.1029/2010GL042845。
Urbanisation is estimated to result in 6 billion urban dwellers by 2050. Cities will be exposed to climate change from greenhouse gas induced radiative forcing, and localised effects from urbanisation such as the urban heat island. An urban land-surface model has been included in the HadAM3 Global Climate Model. It shows that regions of high population growth coincide with regions of high urban heat island potential, most notably in the Middle East, the Indian sub-continent, and East Africa. Climate change has the capacity to modify the climatic potential for urban heat islands, with increases of 30% in some locations, but a global average reduction of 6%. Warming and extreme heat events due to urbanisation and increased energy consumption are simulated to be as large as the impact of doubled CO2 in some regions, and climate change increases the disparity in extreme hot nights between rural and urban areas. Citation: McCarthy, M. P., M. J. Best, and R. A. Betts (2010), Climate change in cities due to global warming and urban effects, Geophys. Res. Lett., 37, L09705, doi: 10.1029/2010GL042845.