Ozone hole | Stats NZ
The ozone hole is an area of reduced ozone (below 220 Dobson units (DU)) that forms over Antarctica. In winter, low temperatures over Antarctica form polar stratospheric clouds. Ozone …
Ozone holes & UV radiation - New Zealand Geographic
Nov 26, 2020 · The 2020 Antarctic ozone hole is one of the largest and deepest of recent years, due to stratospheric weather conditions trapping cold air high above the frozen continent. This …
Scientists said the ozone hole was recovering. That good news …
Nov 21, 2023 · But the hole, which grows over the Antarctic during spring before shrinking again in the summer, reached record sizes in 2020 to 2022, prompting scientists in New Zealand to …
Our Changing World: Why we are still monitoring the ozone hole
Oct 10, 2024 · In 2023, we saw a large and long-lasting ozone hole. In 2020 we experienced a large one too, and, unusually, a second hole opened up above the Arctic as well. The annual …
The ozone is slowly healing decades after humans destroyed it
Jan 12, 2023 · The hole in the ozone layer is slowly closing up. The ominous hole is the reason New Zealanders are told they can get sunburnt faster than in other places and why the country …
The ozone hole above Antarctica will keep opening up each …
Sep 8, 2024 · Ozone depletion causes the prevailing westerly winds at southern mid-latitudes (the "Roaring Forties") to strengthen and shift toward Antarctica during summertime. This has …
EXPERT REACTION: The ozone hole's core may not be recovering
Nov 22, 2023 · Ozone levels above Antarctica may not be recovering after all, and changes in the Southern Hemisphere atmosphere may be contributing to the persistence of the ozone hole, …
Ozone season expected to be early, long-lasting this summer, …
Sep 5, 2023 · An early and long-lasting ozone hole in the atmosphere is being predicted by NIWA (the National Institute of Water and Atmospheric Research) this year. Principal atmosphere …
Study highlights need to keep an eye on the ozone hole - Phys.org
Nov 21, 2023 · "New Zealanders need not worry about applying extra sunscreen this year as the Antarctic ozone hole is generally not open above New Zealand—it is mostly located directly …
Ozone hole, 1979–2016 - data.govt.nz - discover and use data
The ozone hole is an area of reduced stratospheric ozone. It forms in spring over Antarctica because of ozone-depleting substances (ODSs) produced from human activities. The ozone …