Law-ref.org The 1985 Vienna Convention for the Protection of the Ozone Layer
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variability [Global Index]


ARTICLE-Annex_I: Research and systematic observations     [go to this ARTICLE]
... (i) The status of the ozone layer (i.e. the spatial and temporal variability of the total column content and vertical distribution) by making the Global Ozone Observing System, based on the integration of satellite and ground-based systems, fully operational; ...