The percentage of the total overhead ozone column destroyed is shown in Figure 2 for the years in our experiment with strongest and weakest wave energies. (giss.nasa.gov)
Fingerprints of September healing since 2000 include (i) increases in ozone column amounts, (ii) changes in the vertical profile of ozone concentration, and (iii) decreases in the areal extent of the ozone hole. (judithcurry.com)
«Had the 1987 Montreal Protocol to curb anthropogenic ozone - depleting Chlorofluorocarbons not been implements, global stratospheric models suggest a worldwide average of 67 % reduction in ozone column thickness from 1980 to 2065. (ecoshock.org)