Apr 2, 2019

China Blue Book on Climate Change

by
China's National Climate Center

Global warming trend continues further, China is a sensitive area of ​​global climate change

From 1951 to 2018, China's annual average temperature increased by 0.24 °C every 10 years, and the heating rate was significantly higher than the global average.

From 1961 to 2018, the temperature increase rate in northern China was significantly greater than that in the south, and the western region was larger than the east. The Qinghai-Tibet region had the highest temperature increase rate, with an average increase of 0.37 °C every 10 years.

The precipitation in the Qinghai-Tibet region showed a significant increase trend, while the precipitation in the southwest region showed a weak decrease trend. 

From 1961 to 2018, China's extreme precipitation events showed an increasing trend, extreme low temperature events decreased significantly, and extreme high temperature events increased significantly since the mid-1990s.

From 1961 to 2018, China's climate risk index showed an overall upward trend, with significant changes in stages, and fluctuations since the late 1970s. From 1991 to 2018, China's average climate risk index increased by 54% from the average of 1961 to 1990.

From 1980- 2017, China's coastal sea level fluctuated upward trend, rising rate of 3.3 mm / year, higher than the global average over the same period.

From 1963 to 2018 , the initial stage of the leaf-expansion period of representative tree species in different regions of China showed a significant advance trend.