Definition of "zonally" []

• In zones. (adverb)
• In a manner related to, associated with, or similar to zones. (adverb)

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• "Zonally symmetric dynamics in the GISS model result in near-zonally symmetric ozone loss and recovery."
• "Using TOMS Version 7 ozone and reflectivity data from 1979 to 1992 and the corresponding TOMS surface UV retrieval algorithm, Herman et al. [42] estimated that zonally averaged mean annual surface UV irradiances at 300, 310, and 320 nanometers (nm) increased by 15%, 6%, and 2% per decade, respectively, for the latitude band 60º to 70º N."
• "The Coriolis force (or Coriolis effect) causes the deflection of this moving air in the upper atmosphere, and by about 30° of latitude the air begins to flow zonally from west to east."