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DESIGN BACKGROUND
Zhengzhou
On July 20, 2021, a severe rainstorm occurred in Zhengzhou, killing 292 people and 47 people missing. A typical incident was the trapping of Metro Line 5.
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Chongqing
September 7, 2021, the "Yangtze River No. 1 Flood in 2021" passed through the central urban area. The highest water level at Cuntan Station was 182 meters.
Haikou
In October 2021, when the typhoon "Compasses" crossed the border, nearly 1.3W trees were blown down on Hainan Road. The typhoon caused many casualties.
Extreme Weather in the City
Harbin
There was a blizzard on November 7, 2021. The temperature dropped sharply, the doors were closed due to heavy snow, and the school was closed.
Beijing
In March 2021, the severe dust storms caused a significant increase in PM10 concentration, and visibility in most areas was less than one kilometer.
With the global warming, extreme weather in cities around the world frequently occurs. Blizzards from north to south in China, sandstorms, heavy rains, floods, and typhoons. It has caused inconvenience to people's lives and even caused casualties. As of 2019, China's urbanization rate was 60.31%. Faced with the frequent occurrence of extreme weather in the city, the construction of resilient cities cannot be delayed.
