A four-dimensional data-assimilation method is described to derive synoptic ozone fields from tot...
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Only a few previous observations of very low O3 mixing ratios in the upper troposphere are availa...
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We present an analysis of 2.5 yr of weekly ozone soundings conducted at a new monitoring station ...
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The permeability of the Antarctic polar vortex is investigated in late austral winter and spring ...
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