NATURAL FACTORS OF THE «GLOBAL DIMMING» OF THE EARTH ATMOSPHERE AND ATMOSPHERIC UPPER CLOUDINESS
Journal Title: Вісник Одеського національного університету. Географічні та геологічні науки - Year 2015, Vol 20, Issue 1
Abstract
It is found that the number of significant nature factors of the “global dimming” include two types of nature processes. The first type processes are the changes of the total ozone content distribution and the alterations in solar activity in the atmosphere of the Earth. The processes of this kind in the atmosphere above the subtropical and the tropical climate belt result in the changes of the optical density of the forming upper layer clouds (stratiform cirrous clouds). The second type processes are the changes of the frequency of occurrence of the atmospheric circulation structures in the earth atmosphere which refer to the north meridional and south meridional group (according to B.L. Dzerdievsky’s classification). These processes have the most essential impact on the changes of the optical density of the ground and middle layer clouds as well as the vertical development clouds in the atmosphere above the temperate zone and subboreal belt. The investigation has revealed the position of the earth atmosphere segments in which the processes of one kind or another are significant factors of the year to year variations of the mean monthly values of the cloudiness optical density. The obtained results can be used while modeling and forecasting the changes of the total solar radiation coming on the different Earth segmental surfaces.
Authors and Affiliations
A. V. Kholoptsev, M. P. Nikiforova
Keywords
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