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Top: The pressure corrected daily mean count rate in Syowa MD vertical channel (SYO_MD_V) (open black triangle) and the variation reproduced from αMSS and ΔTMSS (blue circle) (see text). Open red triangles indicate the CR variation reproduced by the MC simulation of particle transport in the atmosphere (see text). Bottom: The observed variation corrected for the atmospheric temperature effect. Minor tick marks on the horizontal axis are indicated every 27 days.
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