Warming of the Antarctic ice-sheet surface since the 1957 International Geophysical Year

@article{Steig2009WarmingOT,
  title={Warming of the Antarctic ice-sheet surface since the 1957 International Geophysical Year},
  author={Eric J. Steig and David P. Schneider and Scott David Rutherford and Michael Everett Mann and Josefino C. Comiso and Drew T. Shindell},
  journal={Nature},
  year={2009},
  volume={457},
  pages={459-462}
}
Assessments of Antarctic temperature change have emphasized the contrast between strong warming of the Antarctic Peninsula and slight cooling of the Antarctic continental interior in recent decades. This pattern of temperature change has been attributed to the increased strength of the circumpolar westerlies, largely in response to changes in stratospheric ozone. This picture, however, is substantially incomplete owing to the sparseness and short duration of the observations. Here we show that… Expand

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References

SHOWING 1-10 OF 31 REFERENCES
Ice cores record significant 1940s Antarctic warmth related to tropical climate variability
TLDR
A composite of water stable isotope data from high-resolution ice cores from the West Antarctic Ice Sheet shows extreme positive anomalies in the 1936–45 decade that are significant in the context of the background 20th Century warming trend. Expand
Recent Rapid Regional Climate Warming on the Antarctic Peninsula
The Intergovernmental Panel on Climate Change (IPCC) confirmed that mean global warming was 0.6 ± 0.2 °C during the 20th century and cited anthropogenic increases in greenhouse gases as the likelyExpand
Antarctic climate cooling and terrestrial ecosystem response
TLDR
Data from the dry valleys are presented representing evidence of rapid terrestrial ecosystem response to climate cooling in Antarctica, including decreased primary productivity of lakes and declining numbers of soil invertebrates, which poses challenges to models of climate and ecosystem change. Expand
Southern Hemisphere climate response to ozone changes and greenhouse gas increases
[1] While most of the Earth warmed rapidly during recent decades, surface temperatures decreased significantly over most of Antarctica. This cooling is consistent with circulation changes associatedExpand
ANTARCTIC CLIMATE CHANGE DURING THE LAST 50 YEARS
The Reference Antarctic Data for Environmental Research (READER) project data set of monthly mean Antarctic nearsurface temperature, mean sea-level pressure (MSLP) and wind speed has been used toExpand
Antarctic atmospheric temperature trend patterns from satellite observations
[1] Tropospheric temperatures in the Antarctic are retrieved by linearly combining satellite-borne Microwave Sounding Unit (MSU) channels 2 and 4 observations. We show good agreement betweenExpand
Interpretation of Recent Southern Hemisphere Climate Change
TLDR
Evidence is presented that recent trends in the SH tropospheric circulation can be interpreted as a bias toward the high-index polarity of this pattern, with stronger westerly flow encircling the polar cap. Expand
Recent variability and trends of Antarctic near‐surface temperature
[1] A new monthly 1° × 1° Antarctic near-surface temperature reconstruction for 1960–2005 is presented. The use of numerical model fields to establish spatial relationships between fifteen continuousExpand
Twentieth century simulation of the southern hemisphere climate in coupled models. Part II: sea ice conditions and variability
We examine the representation of the mean state and interannual variability of Antarctic sea ice in six simulations of the twentieth century from coupled models participating in the IntergovernmentalExpand
A Synthesis of Antarctic Temperatures
Abstract Monthly surface air temperatures from land surface stations, automatic weather stations, and ship/buoy observations from the high-latitude Southern Hemisphere are synthesized into griddedExpand
...
1
2
3
4
...