Computer Science – Sound
Scientific paper
Feb 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990georl..17..167e&link_type=abstract
Geophysical Research Letters (ISSN 0094-8276), vol. 17, Feb. 1990, p. 167-170.
Computer Science
Sound
13
Arctic Regions, Balloon Sounding, Ozone Depletion, Antarctic Regions, Atmospheric Chemistry, Ozonometry, Photochemical Reactions, Vertical Distribution
Scientific paper
Evidence for an apparent chemical depletion of ozone was observed in the Arctic polar vortex during February 1989 in the form of a depleted layer in the ozone mixing ratio altitude profile. The measurements of the distribution of ozone partial pressure in the polar vortex were conducted with ECC ozonesondes which covered the altitude range from 1 to 30 km. These balloon measurements demonstrated a depleted layer in the profile at altitudes from 18 to 24 km. A comparison of the late February ozone profiles with the late January ozone profiles indicates that the depletion was due to a process which may have occurred while the polar air was partially in sunlight. The depleted layer was similar to that observed from the South Pole base in the Antarctic inside the ozone hole in mid-September. The depletion may have commenced at high altitudes above 22 km and moved downwards during February in a manner similar to the process in September in the Antarctic.
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