TO A PROBLEM OF ARTIFICIAL STIMULATION OF CONVECTION IN ATMOSPHERE

Introduction: forced lifting of large air masses is artificially difficult or such lifting will be, at least, economically unprofitable, as it will require the expenditure of large amounts of energy. Impacts on meteorological processes make sense, i.e. can practically be realized only on unstable states of clouds or the atmosphere, the potential energy of which can be realized in the right direction due to much lower energy costs. In other words, it is possible to artificially create upward movements in the atmosphere with a length sufficient to develop or intensify the processes of cloud and sedimentation, currently only using the potential energy of the convective instability of the atmosphere. This energy can be realized in the form of ascending movements (convective flows) as a result of heating relatively small volumes of air near the surface of the earth. Materials and Methods: To predict the parameters of cloud convection, radiosonde data is used, which are plotted on the upper-air diagram. As a rule, it is assumed that the rate of ascending flows and overheating at the level of condensation are zero. But it's not always the case. Therefore, it is important to determine how the parameters of the surface layer affect the values of the parameters of cloud convection at the level of condensation. Results of the research: The paper deals with the problem of artificially stimulating convection in order to develop cloud convection. An overview of the current state of this problem is given. The facts are cited when artificially created convection caused a cloud accompanying the rain. These facts stimulated scientific experiments in order to develop the scientific basis for influencing clouds and the atmosphere in order to artificially increase precipitation. Despite numerous experiments, we cannot at present claim a positive result of the effects. Moreover, at the ideological level, we cannot assert that we have the scientific principles of artificially stimulating convection in order to form cumulonimbus clouds. Therefore, this paper presents an assessment of the possible influence of artificially created surface convection on the development of cloud convection. Discussion and conclusion: taking into account the humidity of the sub-cloud layer leads not only to quantitative changes in the criteria that determine the parameters of cloud convection at the level of condensation, but also to qualitative changes. We see that a significant effect on cloud convection parameters at the level of condensation is not so much the value of the absolute humidity of the sub-cloud layer, as the mass water vapor gradient in the subcloud layer. If the surface layer of the atmosphere from the ground level to the level of condensation has a temperature gradient equal to, then all attempts at artificial stimulation due to heating are unsuccessful. If the thickness of the retaining layers is less than the specified layer, then they can be punched.

искусственное стимулирование конвекции, искусственное увеличение осадков, критический размер термика, характеристики поверхностного слоя атмосферы, уровень конденсации, облачная конвекция, Artificial stimulation of convection, artificial augmentation of deposits, the critical dimension термика, characteristics of surface layer of atmosphere, condensation level, cloudy convection

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