Recent mid-stratospheric tropical ozone changes
Characterising the seasonal and geographical variability in tropospheric ozone, stratospheric influence and recent changes
... situ ozone-sonde measurements, in simulating tropospheric ...simulated ozone by smearing information down from the stratosphere to the ...tropospheric ozone and provides an indication that such ...
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On the Cause of Recent Variations in Lower Stratospheric Ozone
... that ozone in the extrapolar lower stratosphere is largely under dynamical control, particularly over short time scales of a few ...chemical changes occurs on longer time ...that ozone in the ...
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Stratospheric ozone in the Earth system
... Abstract Ozone in the tropical middle stratosphere decreased around ...the recent negative trends in mid-stratospheric tropical ozone, via dynamical and chemical ...
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Merging of ozone profiles from SCIAMACHY, OMPS and SAGE II observations to study stratospheric ozone changes
... resolved ozone changes, finding in the middle and upper stratosphere a re- markable trend ...with ozone long- term zonal trends reported in previous studies showed a gen- eral consistency with regard ...
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Dynamically controlled ozone decline in the tropical mid-stratosphere observed by SCIAMACHY
... month-to-month changes presented in this paper explain well the observed O 3 decline in the tropical ...on tropical mid-stratospheric O 3 in this study, a better understanding of the ...
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Climate impact of stratospheric ozone recovery
... the ozone budget is not dominated by upward transport and chemical production as in the tropics but by large-scale downward transport and chemical ...sharp ozone enhancements in the extra-tropical ...
6
Long-term changes in tropospheric and stratospheric ozone and associated climate impacts in CMIP5 simulations
... in ozone. The resulting evolution of tropical stratospheric ozone column that can be seen in Figure 6 is a combination of decreases in lower stratospheric ozone and increases in ...
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Effects of stratospheric ozone recovery on photochemistry and ozone air quality in the troposphere
... tropospheric ozone as well as the impacts due to stratospheric ozone recovery for winter and summer ...of stratospheric ozone re- covery exhibit significant seasonal and spatial ...
8
The increasing threat to stratospheric ozone from dichloromethane
... recovering ozone. At mid-latitudes, column ozone decreases are smaller (up to several DU) and despite CH 2 Cl 2 making a relatively large contribution to Cl y in the tropics, ozone decreases ...
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The contribution of ozone to future stratospheric temperature trends
... the changes in ozone and there are also differences in CH 4 and N 2 O concentrations between the scenarios (see section ...in ozone in the tropical lower strato- sphere is also enhanced with ...
8
New insights into the stratospheric and mesosphere-lower thermospheric ozone response to the abrupt changes in solar forcing
... the recent annular so- lar eclipse of 15 January 2010 caught the attention of sev- eral atmospheric and space scientists as it was the longest annular solar eclipse of the ...the changes in the altitudinal ...
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Stratospheric Ozone Depletion: The Main Driver of Twentieth-Century Atmospheric Circulation Changes in the Southern Hemisphere
... to stratospheric ozone depletion has been noted pre- viously, we here show explicitly how it compares, quan- titatively, to the response of increasing greenhouse gases, over the period 1960–2000, during ...
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What Controls Recent Changes in the Circulation of the Southern Hemisphere: Polar Stratospheric or Equatorial Surface Temperatures?
... and ozone concentrations whereas the GFDL_A runs have all the concentrations fixed to climatological ...the stratospheric temperatures (GFDL_B) and the other one does not (GFDL_A), the comparison of both ...
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Stratospheric ozone depletion from future nitrous oxide increases
... the ozone layer in the Arctic ...affect ozone mainly through chemical ...of ozone changes in the stratosphere, while the in- direct chemical effect of N 2 O increases (via halogen chem- istry) ...
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Drivers of changes in stratospheric and tropospheric ozone between year 2000 and 2100
... 3 Stratospheric ozone Figure 1 shows changes in zonal and annual mean ozone and temperature compared to the Base run for experiments in which a single type of perturbation has been imposed in ...
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Detecting recovery of the stratospheric ozone layer
... are also currently increasing, with CH 4 in particular very sensitive to variations in emissions from its natural and anthropogenic sources 13 . The balance between the various catalytic 95 cycles which result from ODS, ...
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Detecting recovery of the stratospheric ozone layer
... are also currently increasing, with CH 4 in particular very sensitive to variations in emissions from its natural and anthropogenic sources 13 . The balance between the various catalytic 95 cycles which result from ODS, ...
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Protection of Stratospheric Ozone: Listing of Substitutes for Ozone-Depleting Substances
... isobutane or R-441A in household refrigeration and propane in retail food refrigeration end-uses have service aperture fittings that differ from fittings used in equipment or containers [r] ...
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Stratospheric ozone intrusion events and their impacts on tropospheric ozone in the Southern Hemisphere
... background ozone level is needed, as a bandpass filter leaves us with enhancements minus any noise or seasonal-scale ver- tical profile ...tropospheric ozone perturbations, and any profiles with ...
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Contribution of Excited Ozone and Oxygen Molecules to the Formation of the Stratospheric Ozone Layer
... with ozone, singlet oxygen produces O ( 3 P) and O 2 (X 3 Σ g – ...prevailing ozone concentration and are thereby important for the stability of the ozone ...fast ozone turnover which ...
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