Heatwaves in summer 2022 forces substantial mass loss for Urumqi Glacier No. 1, China

Author:

Xu Chunhai,Li Huilin,Wang Feiteng,Li Zhongqin,Zhou Ping,Liu Shuangshuang

Abstract

Abstract Extreme heat events in the summer of 2022 were observed in Eurasia, North America and China. Glaciers are a unique indicator of climate change, and the European Alps experienced substantial glacier mass loss as a result of the conditions in 2022, which prompted a wide range of community concerns. However, relevant findings for glaciers in China have not been currently reported. Here, we document the response of Urumqi Glacier No. 1 in the eastern Tien Shan to the extreme heat observed in 2022 based on in situ measurements that span more than 60 years. In 2022, Urumqi Glacier No. 1 exhibited the second largest annual mass loss on record, and the summer mass balance was the most negative on record. The hottest summer on record and relatively lower solid precipitation ratio contributed to the exceptional mass losses at Urumqi Glacier No. 1 in 2022, demonstrating the significant influence of heatwaves on extreme glacier melt in China.

Funder

Science and Technology Program of Gansu Province

State Key Laboratory of Cryospheric Sciences, Chinese Academy of Sciences

National Natural Science Foundation of China

Publisher

Cambridge University Press (CUP)

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