- Tram Ho
In the context that global warming is still taking place very complicatedly, the Arctic and Antarctic are still the two hotspots that are most interested in the world. According to data compiled over the past 30 years, scientists have recorded that the temperature in Antarctica is now 3 times warmer than the global speed since 1989.
The research was led by an international team of scientists and they used data from weather stations, observation networks and climate models to assess the impact of global warming in Antarctica.
Specifically, the temperature has changed in an increasingly extreme way across the Antarctic continent. Most of the western Antarctica and the Antarctic peninsula have become increasingly melting by the global warming trend since the late 20th century.
However, the manifestation of global warming in Antarctica is very different from the rest of the world. This is due to its location. Because Antarctica is considered to be the most remote and coldest land on Earth. While other continents began to record warming in the late 20th century, Antarctica remained the coldest region until the 1980s. But new research confirms that the change has appeared soundly negative. silently.
According to the team’s analysis, Antarctica was warmer than 1.8 degrees Celsius between 1989 and 2018, and temperatures have started to accelerate since the early 2000s. For comparison, data from the Atmospheric Administration and The National Oceanic America shows that the temperature of soil and oceans across the planet has increased by an average of 0.18 degrees Celsius per decade since 1981.
The researchers attributed this result to a combination of many factors, although it was difficult to accurately identify each. However, a major factor in this trend is the warmer ocean temperatures in the tropical Pacific. This is the main cause that pushes warmer air to Antarctica.
Going into the study, the team found that some of the hottest years in Antarctica correlated with abnormal temperatures in the tropics. In particular, the temperature change in Antarctica during the study period may be related to the ocean temperature in that area.
To understand the role of greenhouse gases and man-made climate change in this trend, the research team analyzed more than 200 simulated climate models. Greenhouse gases were measured over 30 years and allowed the team to compare warming rates with all possible warming trends without human impact.
The team believes that warming can exceed 99.9% in all situations due to human impact. Meanwhile, it is difficult to happen such a warming due to the effects of nature.
The team concluded that the increase in greenhouse gas emissions is always accompanied by changes in temperature and creates one of the strongest warming trends on the planet, even bigger than in the Arctic, where is warming nearly twice as much as the rest of the planet.
The research has recently been published in Nature Climate Change.
Refer to Newatlas
Source : Genk