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There is increasing evidence that the ozone layer is starting to recover as a direct consequence of international controls on the use of human-made ozone depleting substances.
2016 Key Finding There is increasing evidence that the ozone layer is starting to recover as a direct consequence of international controls on the use of human-made ozone depleting substances.
There is increasing evidence that the ozone ...
Ozone
2016 , Report Content Ozone is a secondary pollutant formed through the interaction of VOCs (see ... oxides (NO x ; see ‘Nitrogen dioxide’). The AQI for ozone in all capital cities was deemed ‘good’ from 1999 to 2008, and remained steady during this time. Only Canberra had ozone levels that were decreasing, but this result was based on limited ...
Figure ANT5 Map of the total-column amount of ozone in the atmosphere on 24 September 2006, as measured by the Ozone Monitoring Instrument on the Aura polar-orbiting satellite
2016 Map Figure ANT5 Map of the total-column amount of ozone in the atmosphere on 24 September 2006, as measured by the Ozone Monitoring Instrument on the Aura polar-orbiting satellite
A drawing ... part of the globe showing the thickness of the ozone layer on 24 September 2006. The ozone layer is thinnest above Antarctica and ...
Antarctica is warming, although changes in atmospheric circulation brought about by the Antarctic ozone hole have been a temporary mitigating factor that has reduced the overall amount of warming, primarily in summer
2016 Key Finding... in atmospheric circulation brought about by the Antarctic ozone hole have been a temporary mitigating factor that has reduced the overall ... patterns. Cooling of the lower stratosphere because of ozone depletion in spring and early summer has helped to mitigate the amount of ... the mitigating effects of ozone depletion as the ozone layer recovers. ...
Figure ATM5d Column ozone levels over Hobart, January 1979–2015
2016 , Graph Hobart
Figure ATM5d Column ozone levels over Hobart, January 1979–2015
Hobart SoE2016_atm_fig23_column_ozone_levels_january_1979_2015.png
Column ozone levels over Hobart, January 2003–2015
File Column ozone levels over ...
Figure ATM5b Column ozone levels over Darwin, January 1979–2015
2016 , Graph Darwin
Figure ATM5b Column ozone levels over Darwin, January 1979–2015
Darwin
Column ozone levels over Darwin, January 1991–2015
File Column ozone levels over Darwin, January 1991–2015 Ozone Ozone, 5-year running mean ...
Figure ATM5c Column ozone levels over Brisbane, January 1979–2015
2016 , Graph Brisbane
Figure ATM5c Column ozone levels over Brisbane, January 1979–2015
Brisbane
Column ozone levels over Brisbane, January 1986–2015
File Column ozone levels over Brisbane, January 1986–2015 Ozone Ozone, 5-year running ...
Figure ATM5a Column ozone levels over Melbourne, January 1979–2015
2016 , Graph Melbourne
Figure ATM5a Column ozone levels over Melbourne, January 1979–2015
Melbourne
Column ozone levels over Melbourne, January 1979–2015
File Column ozone levels over Melbourne, January 1979–2015 Ozone Ozone, 5-year running ...
Australia’s emissions in context
2016 , Report Content... Australia’s emissions in context Box ATM2 Stratospheric ozone The stratosphere is the layer of the atmosphere that begins at an altitude of around 10 kilometres. ...
Figure ANT7 October monthly average total-column ozone values for Halley Station, 1957–2015
2016 Graph Figure ANT7 October monthly average total-column ozone values for Halley Station, 1957–2015
A line graph showing that the average monthly ozone levels during October at Antarctica’s Halley Station have decreased ...
ATM36a Annual average maximum 4-hour ozone concentration in major Australian cities
2016 , Graph... 4-hour averages
ATM36a Annual average maximum 4-hour ozone concentration in major Australian cities
a) maximum 4-hour averages
Annual average maximum 4-hour ozone concentration in major Australian cities
File Annual average maximum ...
Regional cities' scorecard for ozone NEPM 4-hour standard, based on analysis of air quality index values, 1998-2014
2016, 2011 , Assessment summary Regional cities' scorecard for ozone NEPM 4-hour standard, based on analysis of air quality index values, 1998-2014
Regional cities' scorecard for ozone NEPM 4-hour standard, based on analysis of air quality index values, ... between reporting cycles. Regional cities’ score card for ozone (four-hour) NEPM standard, based on analysis of air quality index values, ...
Metropolitan cities' scorecard for ozone (four-hour) NEPM standard, based on analysis of air quality index values 1999-2014
2016, 2011 , Assessment summary Metropolitan cities' scorecard for ozone (four-hour) NEPM standard, based on analysis of air quality index values 1999-2014
Metropolitan cities' scorecard for ozone (four-hour) NEPM standard, based on analysis of air quality index values ... reporting cycles. Metropolitan cities’ score card for ozone (four-hour) NEPM standard, based on analysis of air quality index values, ...
Figure ATM25b Monthly mean concentration of tropospheric ozone at Cape Grim, 1982–2015
2016 , Graph...
Figure ATM25b Monthly mean concentration of tropospheric ozone at Cape Grim, 1982–2015
b
Monthly mean concentration of tropospheric ozone at Cape Grim, 1982–2015
File Monthly mean concentration of tropospheric ozone at Cape Grim, 1982–2015 Ozone (ppb) 1/01/1976 1/02/1976 1/03/1976 ...
State and trends of the Antarctic environment 2016
2016 At a glance... circulation as a result of stratosphere cooling through ozone depletion and increasing levels of carbon dioxide, and variability in the ... 2–3 decades. There is increasing evidence that the ozone layer is starting to recover as a direct consequence of international controls ...
Antarctic environment: 2011–16 in context
2016 Report Content... 2014 ). Further indications of improvement in stratospheric ozone levels above Antarctica in spring and summer are emerging, although ... the Montreal Protocol on Substances that Deplete the Ozone Layer , the Antarctic ozone hole will continue to have an important influence ...
Figure ATM36b Ozone concentrations, major cities, 1999–2014: a) maximum 4-hour averages; b) 95th percentile 4-hour averages
2016 , Graph b) 95th percentile 4-hour averages
Figure ATM36b Ozone concentrations, major cities, 1999–2014: a) maximum 4-hour averages; b) ... SoE2016_atm_fig36b-annual_average_95th_percentile_4-hour_ozone_concentration_in_major_australian_cities.png
Annual average 95th ...
Figure ANT6 Equivalent effective stratospheric chlorine for the Antarctic and Southern Hemisphere mid-latitudes derived from AGAGE global measurements of all major ozone-depleting substances and World Meteorological Organization 2014 scenarios
2016 Graph... derived from AGAGE global measurements of all major ozone-depleting substances and World Meteorological Organization 2014 scenarios ... 2014 scenarios AGAGE Antarctic measures of major ozone depleting substances WMO 2014 scenarios (mid-latitudes) ppb AGAGE mid-latitude measures of major ozone depleting substances 1970 1.369595014 1.336140601 0.760579307 0.749107343 ...
State and trends of the Antarctic atmosphere
2016, 2011 Assessment summary... in spring and summer because of the annual formation of the ozone hole Year(s): 2016 2 Deteriorating Confidence (in grade): Adequate ... A (2016). Emergence of healing in the Antarctic ozone layer. Science 353(6296):269–274. Turner et al. 2014 Turner J, Barrand NE, ...
Overview of state and trends of the Antarctic environment
2016 Report Content... extent, but some areas are showing rapid decline. The ozone layer is starting to recover as a direct consequence of international controls ...
Figure ATM25d Timeseries of monthly mean concentrations of carbon dioxide, carbon dioxide equivalent and tropospheric ozone; monthly median particle number concentration; and monthly median aerosol optical depth at 868 nanometres at Cape Grim under ...
2016 , Graph... carbon dioxide, carbon dioxide equivalent and tropospheric ozone; monthly median particle number concentration; and monthly median aerosol ... all the significant long-lived greenhouse gases. Surface ozone concentrations show a clear seasonal cycle, with a maximum in winter and ...
The physical environment: The atmosphere—climate and weather patterns
2016 Report Content... of rocks, anthropogenic emissions that deplete ozone in the atmosphere).
The physical environment: The atmosphere—climate ... Protocol was signed to improve the health of the ozone layer by restricting the use of CFCs and other ozone depleting substances. ...
Global importance of Antarctica
2016 Report Content... has been shielded from the effects of global warming by the ozone thinning commonly known as the ‘ozone hole’ ( Perlwitz et al. 2008 ), the warming is less than the global ...
Approach - Atmosphere 2016
2016 Report Content... However, a few changes have been made. Stratospheric ozone, which was a component of the air quality section in SoE 2011, is limited to a discussion of stratospheric ozone across Australia, and stratospheric ozone related to the Antarctic ozone ...
Air quality in Australian cities is generally good
2016 Key Finding... ) and sulfur dioxide have decreased in the past 10 years, ozone and fine particle (PM 2.5 ) levels have not declined, and ongoing effort ...
Pressures on the marine environment
2016 Report Content... is increased ultraviolet B (UVB) radiation because of ozone depletion ( UNEP 2016 ). Different species appear to respond differently ... phytoplankton is largely protected from radiation by a layer of snow or ice, even where that layer is thin. As sea surface ...
The physical environment: The Southern Ocean
2016 Report Content... 2012 , Joughin et al. 2014 , Rignot et al. 2014 ). The ozone depletion and increase in atmospheric greenhouse gases caused by human ... A (2016). Emergence of healing in the Antarctic ozone layer. Science 353(6296):269–274. Klekociuk AR, Krummel PB, Tully MB, Gies ...
State and trends of Australia’s air quality 2016
2016 , At a glance... air pollutants: carbon monoxide, lead, nitrogen dioxide, ozone, particulate matter (less than 10 microns in size [PM 10 ] and ... as part of their routine reporting obligations. Levels of ozone have remained stable since the 2011 state of the environment report. ...
Figure ATM3 Radiative forcing in 2011 relative to 1750, and aggregated uncertainties for the main drivers of climate change
2016 , Graph... Methane 0.55 0.1 Synthetic gases 0.36 0.04 Stratospheric ozone -0.05 Tropospheric ozone 0.4 0.2 Nitrous oxide 0.17 0.03 Solar irradiance 0.05 0.05 Land use -0.15 ...
Executive Summary - Atmosphere
2016 Executive Summary... have declined markedly in all centres in recent decades. Ozone levels have remained stable since the 2011 state of the environment ... and sulfur dioxide have decreased in the past 10 years, ozone and particle levels have not declined. Moreover, climate change is ...
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