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Detection and Attribution of Human-Perceived Warming Over China
Geophysical Research Letters ( IF 5.2 ) Pub Date : 2024-04-01 , DOI: 10.1029/2023gl106283
Jintao Zhang 1, 2, 3 , Guoyu Ren 2, 4 , Qinglong You 3, 5
Affiliation  

While previous studies have largely focused on anthropogenic warming characterized by surface air temperature, little is known about the behaviors of human-perceived temperature (HPT), which describe the “feels-like” equivalent temperature by considering the joint effects of temperature, humidity and/or wind speed. Here we adopted an optimal fingerprinting method to compare seasonal mean HPTs in China with those from simulations conducted with multiple climate models participating in the Coupled Model Intercomparison Project Phase 6. We found clear anthropogenic signals in the observational records of changes in both summer and winter HPTs over the period 1971–2020. Moreover, the anthropogenic greenhouse gas influence was robustly detected, with clear separation from natural and anthropogenic aerosol forcings. The anthropogenic greenhouse gas forcing plays the dominant role (>90%) of human-perceived warming. Urbanization effects contribute slightly and moderately to the estimated trends in summer and winter HPTs, respectively, in addition to the effects of external forcing.
更新日期:2024-04-02
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