Other
Scientific paper
Apr 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003eaeja.....5178z&link_type=abstract
EGS - AGU - EUG Joint Assembly, Abstracts from the meeting held in Nice, France, 6 - 11 April 2003, abstract #5178
Other
Scientific paper
The physical mechanism of the influence of solar activity on climatic characteristics and the atmospheric circulation is suggested and theoretically substantiated. The mechanism is based on the lower-tropospheric transport of condensation nuclei electric ionosphere-Earth potential which in the polar regions is controlled not only by tropical thunderstorms and by the galactic cosmic-ray intensity but also by ionospheric currents as well as solar cosmic-ray fluxes. The height redistribution in the atmosphere of condensation nuclei with a change of the electric field of the atmosphere results in changes in total latent heat (phase transition of water vapor), by changes in radiation balance, and by subsequent changes in vertical air motions which exert influence on atmospheric turbulence and pressure. According to estimates, the power of additional heat sources is sufficient for local changes of the thermobaric field. An influence from electric field variations in the troposphere should be expected primarily at the lowest level, above the mixing layer, i.e. starting at about 800 mbar and subsequently extending into higher altitudes. This mechanism is realized most effectively at high latitudes in the local winter. Within the context of the proposed mechanism, it is possible to understand and explain the detected connections between the various characteristics of solar and geomagnetic activity with tropospheric parameters: - The change in the structure of the ground pressure field after geomagnetic storms. - The effects of the influence of solar low-energy cosmic rays. - The effect of connection of the distribution patterns of different helio-geophysical characteristics relative to the crossing of the interplanetary magnetic field sector boundary with the atmospheric vorticity indices VAI, and others.
Kovalenko Vladimir A.
Zherebtsov G. A.
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