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National Repository of Grey Literature 5 records found  Search took 0.01 seconds. 
Solar-geomagnetic activity and weather changes. Observation results
 Bochníček, Josef ; Hejda, Pavel ; Pýcha, Josef
The impact of solar and geomagnetic activity on pressure and temperature changes in the winter lower troposphere was investigated. It was found that although correlations between solar and geomagnetic activity in individual winter periods are weak, the pressure and temperature changes show similar magnitudes.
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Solar-geomagnetic activity and weather changes. The mechanisms
 Pýcha, Josef ; Bochníček, Josef ; Hejda, Pavel
The mechanisms in the paper described were based on the ideas enabling to explain the observed associations between the short-term changes in solar/geomagnetic activity and short-term changes in the lower atmosphere pressure and temperature fields. Special attention was devoted to the role of planetary waves, electrostatic fields and various phases of the QBO.
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Physical plausibility of "Sun-weather" research
 Bochníček, Josef ; Hejda, Pavel ; Pýcha, Josef
The paper deals with the importance of three basic objections against the existence of causal link between the changes of atmospheric fields in the lower troposphere.
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Association among the QBO, geomagnetic/solar activity and winter air pressure changes in the Northern Hemisphere
 Bochníček, Josef ; Hejda, Pavel ; Pýcha, Josef
Analysis of the sea-level pressure changes in winter periods (January + February) 1952-1996 showed their close association with the QBO-phase and solar and geomagnetic activity level. The importance of individual activities for analyzed changes is evaluated and the mechanism that could explain the analyzed processes is described.
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Deviations of temperature and pressure as well as prevailing wind directions in winter troposphere at high and low geomagnetic activity
 Bochníček, Josef ; Hejda, Pavel ; Pýcha, Josef ; Bucha, Václav
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