Journal
QUATERNARY SCIENCE REVIEWS
Volume 322, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.quascirev.2023.108386
Keywords
Holocene temperature conundrum; Vegetation; Seasonal temperature; Plant functional groups; Eastern Asia
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This study analyzed fossil charcoal assemblages from the southern Chinese Loess Plateau to provide temperature records during the middle Holocene, and found that winter temperature changes have the highest contribution to the mean annual temperature.
The evolution of global temperature during Holocene is crucial for understanding the mechanisms of climate change and future climate trends. However, there is a discrepancy between the temperature trends reconstructed from proxy and model, which is attributed to the seasonal biases and the appearance of the Holocene thermal maximum was dominated by the temperature of the warm season. In this paper, fossil charcoal assemblages from the southern Chinese Loess Plateau were analysed to provide quantitative mean annual temperatures (MAT) and four-season temperature records during 6.55-3.45 cal ka BP. The results indicate that both the seasonal temperatures and MAT during the middle Holocene reached warm peaks between 5.55 and 5.35 cal ka BP. The similar trend between the winter temperature (WIT) and MAT denotes the highest contribution of WIT changes to the MAT in the study area since the mid-Holocene.
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