from 1851 to 2010 idvsolutions
{source}
Ozone Hole over Antarctica
average total column ozone concentration over Antarctica for the week of September 7, 2014 taken from NOAA View. Areas colored red have dangerously low ozone concentrations, below 220 Dobson units, that are associated with the “hole” that forms over the region around September and October of each year.
Abonnieren
Posts (Atom)