Science Source
Detection of anthropogenic influence on the intensity of extreme temperatures in China
- Detects the anthropogenic (ANT) influence on the intensity of temperature extremes in China over the period 1958–2012 using the newest homogenized daily observation data set and multi-model simulations from the Coupled Model Intercomparison Project Phase 5 (CMIP5)
- Applies an optimal fingerprinting method to compare spatial–temporal changes in the intensity of temperature extremes
- Finds that for China as a whole, the ANT influence can be robustly detected in all four extreme indices tested: the warmest days and nights, and the coldest days and nights
- Finds that the ANT signal is also clearly separable from the response to natural-only (NAT) forcing in the two-signal analyses
- Finds that the NAT signal was detectable for the warmest night TNx but not for other indices
- Finds that at smaller regional scales for Eastern and Western China, the ANT signals were also clearly detected in the changes of temperature extremes
- Results update a previous work and confirm that the human influence can be robustly detected in the changes of extreme temperature intensity in China
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