Solar Activity Influence on Atmospheric Composition

A special issue of Atmosphere (ISSN 2073-4433). This special issue belongs to the section "Meteorology".

Deadline for manuscript submissions: closed (20 May 2022) | Viewed by 205

Special Issue Editor

Physics Faculty, Taras Shevchenko National University of Kyiv, Kyiv 01601, Ukraine
Interests: ozone; planetary waves; aerosol; ionosphere

Special Issue Information

Dear Colleagues,

Solar radiation is the main source of energy for the majority of terrestrial processes. Although the Sun is not a variable star, its parameters change due to solar activity. The evident role belongs to the 11-year solar cycle, which affects the state of the Earth’s atmosphere. In particular, solar flux varies noticeably in the short-wave ultraviolet range, which is essential for the atmospheric ozone distribution. Shortwave solar radiation strongly affects parameters of the neutral upper atmosphere and ionosphere.

The atmospheric ozone is dependent on many dynamical and chemical (of both natural and anthropogenic origin) factors. The impact of solar activity has been studied for several decades, but this question remains far from the completely understood. The spatio-temporal pattern of the connection between solar activity and ozone distribution should be considered. The importance of natural phenomena should be taken into account on the background of the ozone hole stabilization or the expected total ozone recovery. Specification of the atmosphere regions with maximal and minimal influence by the solar cycle is necessary using available data of both measurements and model results.

Photochemical reactions are the main processes in the upper atmosphere and ionosphere. Accordingly, influence of both cyclical processes and separate events relating to solar activity should be studied in detail. Composition, structure and dynamics of the stratosphere, mesosphere and thermosphere are determined by solar variability to considerable degree. The changeable short-wave solar radiation does not penetrate practically to the troposphere while indirectly influences weather phenomena and state of the climate. Studies of the Sun–Earth connections are relevant and should be conducted with the use of modern data, including the phenomena in the years of the weak Solar Cycle 24 and the beginning of the current Solar Cycle 25.

Topics of this Special Issue include but are not limited to:

Relations between the 11-year solar cycle and concentrations of neutral and ionized atmosphere constituents in dependence on the height, latitude, longitude and season;

Influence of the solar cycle on variations of such integral characteristics as total ozone and total electron content;

Long-term tendencies in the climate processes, atmospheric ozone, state of both the upper neutral atmosphere and ionosphere in connection with solar activity;

Solar rotation cycle and atmosphere parameters;

Case studies of arbitrary changes in the atmosphere, caused by processes on the Sun;

Mechanisms and consequences of changes in the atmosphere under the influence of solar activity;

Simulation of the impact of solar activity on the troposphere, stratosphere (including ozone layer), upper neutral atmosphere and ionosphere, evaluation of the quality of both atmospheric models and reanalyses in representation of the role of solar activity;

Possible nonlinear interaction between numerous factors influencing state of the atmosphere (different dynamical and chemical processes and solar activity).

Dr. Asen Grytsai
Guest Editor

Manuscript Submission Information

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Keywords

  • solar activity
  • 11-year solar cycle
  • atmosphere
  • ozone layer
  • ionosphere
  • atmosphere modeling

Published Papers

There is no accepted submissions to this special issue at this moment.
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