中国科学院大气物理研究所大气科学和地球流体力学数值模拟国家重点实验室
State Key Laboratory of Numerical Modeling for Atmospheric Sciences and
Geophysical Fluid Dynamics (LASG)
Institute of Atmospheric Physics, Chinese Academy of Sciences
State Key Laboratory of Numerical Modeling for Atmospheric Sciences and
Geophysical Fluid Dynamics (LASG)
Institute of Atmospheric Physics, Chinese Academy of Sciences

Vol.16/No.16 December 2021
Increase Trends of Warm and Wet Extremes Found to Slowdown in China during the Recent Global Warming Hiatus
Recently, Dr. QIN Peihua from the Institute of Atmospheric Physics, Chinese Academy of Sciences and his collaborators, investigated trends of precipitation and temperature extremes in China during the global warming hiatus relative to the reference period (1982–1997) and the whole historical period (1982–2017). During the global warming hiatus, annual warmest days and the number of summer days over the whole of China and most of its four subregions were found to decrease relative to both periods. Annual coldest nights over China and its four subregions were found to decrease moderately relative to both periods, whereas the number of frost days increased consistently.

Heavy rain caused lake level to rapidly rise. (Image by QIN Peihua)
"We found precipitation extremes showed more temporal and spatial variability than temperature extremes. Trends of annual wet extremes during the hiatus decreased relative to the whole historical period and the reference period, whereas the dry extreme index during the hiatus was found to increase generally over China and in most subregions." said QIN.
QIN's study suggests that lighter winds and lower relative humidity over most areas of China might have contributed to less pronounced trends of wet extremes during the hiatus period.
This work has been accepted by International Journal of Climatology.
Reference:
Qin, P., C. Shi, 2021: Characteristics of climate extremes in China during the recent global warming hiatus based upon machine learning. International Journal of Climatology, https://doi.org/10.1002/joc.7354.
Link: https://rmets.onlinelibrary.wiley.com/doi/10.1002/joc.7354
Contact: QIN Peihua, qinpeihua@mail.iap.ac.cn
Add: No.40, Huayanli, Beichen West Road, Chaoyang District, Beijing P.O. Box 9804, 100029, China
E-mail: lasg_newsletter@lasg.iap.ac.cn
Editors: Chuanyi Wang (wangcy@lasg.iap.ac.cn), Kangjun Chen(ckj@lasg.iap.ac.cn)
E-mail: lasg_newsletter@lasg.iap.ac.cn
Editors: Chuanyi Wang (wangcy@lasg.iap.ac.cn), Kangjun Chen(ckj@lasg.iap.ac.cn)