Journal
SCIENCE
Volume 311, Issue 5769, Pages 1914-1917Publisher
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1121652
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Funding
- NERC [bas010014] Funding Source: UKRI
- Natural Environment Research Council [bas010014] Funding Source: researchfish
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We report an undocumented major warming of the Antarctic winter troposphere that is larger than any previously identified regional tropospheric warming on Earth. This result has come to light through an analysis of recently digitized and rigorously quality controlled Antarctic radiosonde observations. The data show that regional midtropospheric temperatures have increased at a statistically significant rate of 0.5 degrees to 0.7 degrees Celsius per decade over the past 30 years. Analysis of the time series of radiosonde temperatures indicates that the data are temporally homogeneous. The available data do not allow us to unambiguously assign a cause to the tropospheric warming at this stage.
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