Weekly Cycles in Meteorological Variables Over Large-Scales: Fact or Myth?
Several studies have found weekly cycles of meteorological variables appearing over large domains, which can hardly be related only to urban effects, while other studies fail to reproduce these with statistical significance. In addition to the lack of unequivocal evidence for these cycles, their possible physical causes have been controversially discussed. We present a short summary of the main results about this topic published during the recent two decades. Also, a brief summary of the suggested reasons, especially focusing on the possible aerosol-cloud-radiation interaction as a result of the weekly cycles of anthropogenic activities, is presented.
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