Weather station records are too short and sparse to effectively detect the signature of climate change in Antarctica. Using the isotopic composition of ice cores as a temperature proxy suggests that Antarctica is warming faster than the global average temperature and expectations from climate models for the region.
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References
Nicolas, J. P. & Bromwich, D. H. New reconstruction of Antarctic near-surface temperatures: multidecadal trends and reliability of global reanalyses. J. Clim. 27, 8070–8093 (2014). This paper reports the warming trends in Antarctica using a gridded product built from weather station data.
Clem, K. R. et al. Record warming at the South Pole during the past three decades. Nat. Clim. Change 10, 762–770 (2020). This paper presents anecdotal evidence of record warming in East Antarctica.
Stenni, B. et al. Antarctic climate variability on regional and continental scales over the last 2000 years. Clim. Past 13, 1609–1634 (2017). A review article that presents a compilation of data from ice cores in Antarctica.
Casado, M., Münch, T. & Laepple, T. Climatic information archived in ice cores: impact of intermittency and diffusion on the recorded isotopic signal in Antarctica. Clim. Past 16, 1581–1598 (2020). A paper that presents the different contributions to the isotopic signals from ice cores and the limitations for their interpretation.
DeConto, R. M. & Pollard, D. Contribution of Antarctica to past and future sea-level rise. Nature 531, 591–597 (2016). A research article that presents model predictions of sea-level rise in the future.
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This is a summary of: Casado, M. et al. The quandary of detecting the signature of climate change in Antarctica. Nat. Clim. Change https://doi.org/10.1038/s41558-023-01791-5 (2023).
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Ice core records suggest that Antarctica is warming faster than the global average. Nat. Clim. Chang. 13, 1025–1026 (2023). https://doi.org/10.1038/s41558-023-01795-1
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DOI: https://doi.org/10.1038/s41558-023-01795-1
