Instead, changes in the South Pole's
ozone hole from year - to - year are likely the result of natural variations in wind patterns, researchers said here Wednesday (Dec. 11) in a press conference at the annual meeting of the American Geophysical Union.
Hence the successful global effort to stop the manmade
ozone hole from endangering life on the planet.
Not exact matches
For instance, nations consciously took political action to shrink the
ozone hole, are working to curb carbon emissions and are looking for ways to prevent asteroids
from bombarding Earth.
Nature may kick back at us
from time to time — with erosion, pollution,
holes in the
ozone layer and so on — but we like to think that these are simply impersonal matters of ecological imbalance.
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.
Good news for fans of planet Earth: The seasonal
hole in the
ozone layer over Antarctica was at its second - smallest point in the past 20 years, according to new research
from NASA and the National Oceanic and Atmospheric Administration (NOAA).
The researchers tracked the yearly opening of the Antarctic
ozone hole in the month of September,
from 2000 to 2015.
Measurements have shown that
ozone depletion starts each year in late August, as Antarctica emerges
from its dark winter, and the
hole is fully formed by early October.
As chlorine levels continue to dissipate
from the atmosphere, Solomon sees no reason why, barring future volcanic eruptions, the
ozone hole shouldn't shrink and eventually close permanently by midcentury.
CFCs were banned
from spray cans in the United States and Canada in the late 1970s, and the appearance of a «
hole» in the
ozone layer over Antarctica in the early 1980s created an international consensus that CFCs must go.
Similar scandals erupted over the effects of scores of industrial applications, ranging
from sulfur dioxide and acid rain, to certain aerosols and the
hole in the
ozone layer, to leaded gas and cognitive impairment, to the granddaddy of them all, fossil fuels and global climate change.
The 2015 Antarctic
ozone hole area was larger and formed later than in recent years, said scientists
from NASA and the National Oceanic and Atmospheric Administration (NOAA).
T. Deshler of the University of Wyoming and an American - Italian team say that a year ago, aerosol
from Mount Hudson, which erupted in Chile in August 1991, worsened the springtime
ozone hole above the Antarctic.
The result is that Canadians — and the rest of the world — have been denied the chance to hear
from some of the most authoritative scientific voices on important issues ranging
from the Arctic
ozone hole to radiation after the Fukushima Daiichi reactor accident in Japan, and even the effect of aquaculture on wild salmon.
It is loaded with authoritative analyses of biospheric damage, some of them compiled
from the senator's own junkets to inspect the devastation of the rainforests, the game parks of Africa and the
ozone hole above Antarctica.
Southern Chile is the nearest densely populated area to the Antarctic
ozone hole, and the animals were obviously suffering
from overexposure to ultraviolet light streaming through the
ozone hole — at least, according to the press.
Similar clouds in the Antarctic, which cause the
ozone hole there, have been observed
from American spy planes, but the less stable northern clouds have been studied only with balloons and satellites.
It «s laughable to hear some
from their side still continue to deny the
ozone hole!
The
hole in the
ozone layer over the Antarctic has expanded to near - record levels, scientists
from NASA and the National Oceanic and Atmospheric Administration (NOAA) said Thursday.
Data
from the Swedish Odin satellite indicate that no arctic
ozone hole will appear this winter, despite fears to that effect.
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.
The
hole in the
ozone layer over Antarctica has expanded to near - record levels, scientists
from NASA and the National Oceanic and Atmospheric Administration (NOAA) said Thursday.
According to a study published in the March 2002 Journal of Geographical Research by a joint research team
from the University of Maryland and NASA, overall, the increased amount of CO2 in the atmosphere is speeding up the recovery of the
ozone layer — including the
hole at the South Pole.
From Zürich, lead author Dr. William Ball says Earth's
ozone shield against harmful radiation continues to weaken — despite an improvement of big
ozone holes over the Poles.
From Zürich, lead author Dr. William Ball says Earth's
ozone shield against harmful radiation continues to weaken — despite an improvement of big
ozone holes...
We're talking the
hole in the
ozone from hell here!
We are also taking her up on her tip to visit
Ozone on the 118th floor of the Ritz - Carlton Hong Kong where we are currently
holed up watching Typhoon Mujigae roll in
from our room on floor 113.
Attention, Housekeeping: Clean - up on Aisle Ten; there is a disgusting spill
from a mess of self - satisfaction leaking out of an
ozone hole in the head.
On top of that there is the influence of the
ozone hole, which only comes into play
from the 1980s onwards which seems to have influenced the wind patterns and led to consequent cooling in the interior.
Data
from the Swedish Odin satellite indicate that no arctic
ozone hole will appear this winter, despite fears to that effect.
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.
Subsequent work indicated that the polar
ozone hole (starting in the early 80s) was having an effect on polar winds and temperature patterns (Thompson and Solomon, 2002; Shindell and Schmidt, 2004), showing clearly that regional climate changes can sometimes be decoupled
from the global picture.
There is nothing «natural» about these extremes of weather over the last 2 years, or about the unprecedented
ozone hole in the Arctic last year (troposphere warming
from greenhouse gases caused stratospheric cooling to below threshold temperature for polar stratospheric cloud generation and
ozone destruction).
But then there is the
ozone hole and how to protect Self
from exposure.
The springtime stratospheric
ozone hole & surface
ozone also have an impact, and the combination of soot & surface
ozone would exceed the impact
from greenhouse gases (soot deposition alone is on par with greenhouse gases in the boreal thaw).
The loudest objections and most frequent emails come
from the folks who also tend to believe: * The USA did not land on the moon * There was a government conspiracy in the JFK assassination * Fluoride in our water supply is a method of government control * The world is only ~ 5,000 years old * CFC's have no impact on the
ozone hole.
Then, these same «holier than thou» hominids were decrying the looming ice age, and the need to remove hairspray
from the planet to secure the
ozone layer and eliminate the
hole in it that man so glutenously produced.
Look, I do not claim that climate models are perfect — far
from it — but their matches to observed data at the large scale are impressive — Pinatubo, last 30 years, response to ENSO, NAO response, sea ice response,
ozone hole response etc..
In the period
from 2000 - 2015, the
hole in the
ozone layer shrank by more than 4 million square kilometers — nearly a billion acres — according to a new report in the journal Science.
This series of images shows the size and shape of the
ozone hole each year
from 1979 through 2017 (no data are available for 1995).
Skeptics of skeptics are saying... Some are saying, ok the south pole is getting colder but it's
from the
ozone hole.
Records in depth and size haven't occurred during the same years (the largest
ozone hole occurred in 2006), but the long - term trend in both characteristics is consistent:
from 1980 through the early 1990s, the
hole rapidly grew in size and depth.
Like global warming is now the
ozone hoax was a black
hole manufactured by Leftists, into which the productive class were supposed to shovel their hard - earned wages into so schoolteachers can save the world
from Americans who like to take a hot shower before driving to work.
Jonathan Shanklin, one of the British Antarctic Survey (BAS) scientists who discovered the
ozone hole in 1985, told the Climate News Network
from the BAS Halley research station where he is working now:
The photos allow Romps, a climate scientist who specializes in clouds, to measure how fast the clouds rise, which in turn can shed light on a wide range of areas, ranging
from lightning rates to extreme precipitation to the
ozone hole.
The
hole in the
ozone layer over Antarctica was created by human - produced chlorofluorocarbons (CFCs) that came
from things like aerosol cans and air - conditioners and refrigerators.
Some years ago I asked the two leadimg
ozone hole institutes whether or not there might always have been a fluctuating
ozone hole as we have only been able to measure it
from the 1950's and they said they did not think it likely but that it was possible.
From Figure 1 we see that Antarctic temperature anomalies have declined slightly since 1970 (presumably due to the
ozone hole) while the rest of the planet has been warming.
«
From SARS to mad cow disease to acid rain to
ozone holes, the environmentalists can not resist the temptation to invoke apocalyptic prophesies to scare the public witless»
I also received a very short note
from one of the oldest, most recognized climate alarmists out there, the developer of the Gaia hypothesis and key player in the
ozone hole scare.