Reversed asymmetric warming of sub-diurnal temperature over land during recent decades
Journal article, 2023
In the latter half of the twentieth century, a significant climate phenomenon “diurnal asymmetric warming” emerged, wherein global land surface temperatures increased more rapidly during the night than during the day. However, recent episodes of global brightening and regional droughts and heatwaves have brought notable alterations to this asymmetric warming trend. Here, we re-evaluate sub-diurnal temperature patterns, revealing a substantial increase in the warming rates of daily maximum temperatures (Tmax), while daily minimum temperatures have remained relatively stable. This shift has resulted in a reversal of the diurnal warming trend, expanding the diurnal temperature range over recent decades. The intensified Tmax warming is attributed to a widespread reduction in cloud cover, which has led to increased solar irradiance at the surface. Our findings underscore the urgent need for enhanced scrutiny of recent temperature trends and their implications for the wider earth system.
Author
Ziqian Zhong
Beijing Normal University
Chalmers, Space, Earth and Environment, Geoscience and Remote Sensing
Bin He
Beijing Normal University
Hans Chen
Chalmers, Space, Earth and Environment, Geoscience and Remote Sensing
Deliang Chen
University of Gothenburg
Tianjun Zhou
Chinese Academy of Sciences
Wenjie Dong
Sun Yat-Sen University
Cunde Xiao
Beijing Normal University
Shang ping Xie
University of California at San Diego (UCSD)
Xiangzhou Song
Hohai University
Lanlan Guo
Beijing Normal University
Ruiqiang Ding
Beijing Normal University
Lixia Zhang
Chinese Academy of Sciences
Ling Huang
Beijing University of Technology
Wenping Yuan
Sun Yat-Sen University
Xingming Hao
Chinese Academy of Sciences
Duoying Ji
Beijing Normal University
Xiang Zhao
Beijing Normal University
Nature Communications
2041-1723 (ISSN) 20411723 (eISSN)
Vol. 14 1 7189ModElling the Regional and Global Earth system (MERGE)
Lund University (9945095), 2010-01-01 -- .
Driving Forces
Sustainable development
Roots
Basic sciences
Subject Categories
Climate Research
DOI
10.1038/s41467-023-43007-6
PubMed
37938565