Contrary to popular belief, global warming isn’t the direct cause of these low ice levels.The Antarctic sea ice extent was the lowest since satellite monitoring started in 1978, according to a recent report from the National Institute of Polar Research andin Japan. The satellite data used in this investigation may be found on the Arctic Data archive System website.
Similar to lakes, the sea in the bitterly cold Antarctic region freezes in the winter and thaws in the spring. As one would anticipate, there are seasonal fluctuations in the amount of sea ice, with winter seeing an increase and summer seeing a decrease. However, contrary to expectations, recent global warming has not directly resulted in a reduction in the amount of sea ice in the Antarctic region.
“This time, we discovered the phenomenon of minimum sea ice extent based on observation data from the Advanced Microwave Scanning Radiometer 2 onboard the GCOM-W. However, we know that sea ice’s role in the global environment varies depending on ice thickness, surface conditions, and drifting conditions. Currently, such information can only be obtained from field observations, but JAXA is developing a method to estimate such information from satellite observation data.
Interesting as Data from National Snow & Ice Data Center showed that winter 2021 Sea Ice Extent and Sea Ice Concentration was far more than 1980 in Antarctica.
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