By mid-century, however, ozone hole - effects may instead be adding to the warming around Antarctica, but with diminished amplitude as
the ozone hole heals.
Tedesco warns that as the Antarctic
ozone hole heals in the coming decades, the winds that seal the continent from warm air will weaken and it will become much warmer in summer.
Not exact matches
But if emissions of CH2Cl2 are held to current levels,
healing of the
ozone hole would be delayed only 5 years or so, the team finds.
«First signs of
healing in the Antarctic
ozone layer: September
ozone hole has shrunk by 4 million square kilometers since 2000.»
Scientists may have spotted Antarctica's
ozone hole on the road to recovery, at least a decade sooner than they thought
healing would be noticeable.
Overall, however, the
ozone hole appears to be on a
healing path.
The
hole in the
ozone layer over Antarctica, which allows harmful ultraviolet radiation to penetrate our atmosphere, is finally starting to
heal.
A study reported this year confirms that the Antarctic
ozone hole is
healing.
However, scientists are not sure if the
ozone hole can
heal itself, BBC reported, citing David Vaughan from the British Antarctic Survey, who reportedly called for cautious optimism in reacting to the data, and added that numbers from a BAS study could help confirm the WMO's findings.
It seems like the effort has all been worth it, as Professor Susan Solomon of the Massachusetts Institute of Technology and a team of scientists from NCAS and the University of Leeds report the «first signs of
healing» of the
ozone layer, confirming predictions that the
hole in the
ozone layer could close by the middle of this century.
Look at the «
ozone hole» issue... where victory is claimed in
healing the Antarctic
ozone hole by banning of fluorocarbons although only some Western countries (such as US) banned the chemicalswhile other major users didn't.
Volcanic eruptions have episodically interfered with
healing, particularly during 2015, when a record October
ozone hole occurred after the Calbuco eruption.»
The
Ozone Hole Is Finally
Healing.
My recent Times column argued that the alleged
healing of the
ozone layer is exaggerated, but so was the impact of the
ozone hole over Antarctica:
(Related: «Whatever Happened to the
Ozone Hole» and «
Healing the
Ozone Layer: Chemist Says Treaty Is Working.»)