the Antarctic stratosphere. Source: http://toms.gsfc.nasa.gov/multi/min_ozone.jpg English applies to jurisdiction: United States of America determination
method: SHA-1 described at URL: https://svs.gsfc.nasa.gov/31253 URL: https://svs.gsfc.nasa.gov/vis/a030000/a031200/a031253/annual_ozone_min_v2_2160p30.mp4