On April 24 from the European Union’s Copernicus Atmospheric Monitoring Service (CAMS), it was reported that the hole in the ozone layer above the Arctic had closed completely.
Ozone is a component that is generated in the atmosphere and is responsible for protecting life on Earth from ultraviolet radiation produced by the sun. This layer of atmospheric gas is located in the stratosphere, at an altitude of between 10 kilometers and 50 kilometers.
Although many people associated the latent recovery that the ozone layer has been showing with the isolation measures that various countries have implemented to contain the CCP (Chinese Communist Party) virus, or coronavirus, scientists insisted that that is not the case.
The unprecedented 2020 northern hemisphere #OzoneHole has come to an end. The #PolarVortex split, allowing #ozone-rich air into the Arctic, closely matching last week's forecast from the #CopernicusAtmosphere Monitoring Service.
— Copernicus ECMWF (@CopernicusECMWF) April 23, 2020
According to Live Science, the largest hole ever recorded in the North Pole’s ozone layer formed in late March and by then there was unusual icy wind activity that lasted several weeks and led to a formation of polar stratospheric clouds that mixed with man-made chemicals, eventually leading to a weakening of the ozone layer.
The massive hole that ended up forming was three times the size of Greenland, making it an “unprecedented” phenomenon, according to the European Space Agency (ESA).
This is because the polar vortexes at the North Pole are comparatively weaker than those at the South Pole, so there are no atmospheric conditions that eliminate ozone gases.
ESA researchers noted that while a hole opens every autumn over the South Pole, the conditions that favor its formation are much stranger in the Northern Hemisphere.
Martins Demeris, an atmospheric researcher at the German Aerospace Center, told Nature magazine “This is the first time you can speak about a real ozone hole in the Arctic.”
CAMS researchers indicated that at the end of last week the polar vortex divided, creating a path for the ozone rich air to return to the area above the North Pole.
The hole that occurs every year at the South Pole and has existed for about four decades will continue to be a seasonal reality, although scientists are optimistic that the phenomenon may be beginning to change, Live Science said.
According to an assessment by the World Meteorological Organization, the ozone hole in Antarctica has been showing a reduction of 1 to 3 percent per decade since 2000.