The article provides an assessment of the influence of the rate of growth of surface air temperature on the concentration of carbon dioxide in the atmosphere. It is indicated that an increase in air temperature stimulates the active supply of carbon dioxide from natural sources. This process is implemented according to the positive feedback mechanism, which can stimulate the transition of the Earth's climatic system to a qualitatively new state. The assessment was carried out by statistical methods using the apparatus of variance analysis. The contribution of the rise in temperatures to the additional emission of carbon dioxide into the atmosphere is estimated at 19%. Fisher's test was used to assess the statistical significance. The contribution turned out to be statistically significant. The assessment of the contribution of carbon dioxide to the growth of the near-surface air temperature was 87% with a correlation coefficient between these values of 0.911 ± 0.03.
The article examines the dynamics of the planetary altitudinal frontal zone in two natural climatic periods of the state of the Earth's climatic system - the stabilization period and the second wave of global warming. A change in the area and intensity of the planetary altitudinal frontal zone in different climatic periods was found out. From the period of stabilization to the second wave of global warming, the area of planetary altitudinal frontal zone expands and its intensity decreases. The climatic change in the area of planetary altitudinal frontal zone is opposite to the seasonal dynamics of its characteristics. Climate change in intensity is similar to seasonal change. The mechanism of action of negative feedback air temperature (dynamics of the planetary high-altitude frontal zone) is described. For the first time, negative feedback has been applied to predict climatic variability at finite time scales.
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