Forbush-effects and atmospheric pressure dynamics at high-altitude Tien Shan station

V. P. Antonova, S. V. Kryukov

2013

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DOI 10.1088/1742-6596/409/1/012226
Data confidence 70 medium
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Abstract

We present atmospheric pressure dynamics studies at the high-altitude Tien Shan station (3340 m above sea level) during 23rd cycle of solar activity after Forbush-effects. It is established that 80 % of Forbush effects with delay 1 ÷ 3 days are accompanied with steady depression of atmospheric pressure irrespective of geomagnetic field conditions. We found that atmospheric pressure dynamics at mountains and ground levels during investigated periods is different. Experimental results are compared with possible mechanisms of influence of sporadic effects of solar activity on circulation of the lower atmosphere.