Overall, Antarctica is warming. Only eastern areas of continent have experienced cooling in the last 30 years.
However collected data that was gathered with the help of a complex model that combines weather station and satellite data showed that surface temperatures rose an average of 0.12 degrees Celsius per decade during the last half century, or about 0.5 degrees total. Western portions experienced the highest rate of warming, unlike the eastern areas that have experienced cooling trend in the last 50 years, but overall pictures hows that temperatures were still rising on average across the continent.
This is the first study that included area of West Antarctica as most of recent studies were oriented primarily on Antarctic Peninsula. This is mostly because Antarctic Peninsula is well equipped with lots of different weather stations collecting data, and analyzing it.
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