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Authors

A. V. Kholoptsev

Abstract

A pressing problem in aerology, geophysics and emergency safety is the identification of links between changes in average daily values ​​of total ozone content (hereinafter referred to as TO) over the Kamchatka region, as well as hazardous endogenous geological phenomena occurring there (volcanic eruptions and earthquakes). Such connections may be causal in nature, since the mentioned phenomena result in a significant activation of degassing of the earth's interior, which leads to an increase in the flow of hydrogen entering the stratosphere. Since hydrogen is one of the catalysts for ozone destruction reactions, the phenomenon in question can lead to a decrease in the TO over the corresponding region. A hypothesis has been put forward that during the phenomena under consideration, a significant decrease in TO over some points in the Kamchatka region occurs more frequently than in the intervals between them. The aim of the work is to test it for the period 2016-2025, in which the indicated phenomena in the region occurred almost annually. To achieve this goal, information obtained using the OMI instrument (artificial Earth satellite AURA (NASA)) was analyzed. It was established that a significant decrease in TO over many points in the region for all the phenomena under consideration was observed with a delay of several days in relation to their onset dates. The frequencies with which this decrease occurs during periods of volcanic eruptions and earthquakes are significantly greater than in the intervals between them. The values ​​of these frequencies are increased over areas close to the epicenters of the mentioned cataclysms. Significant decreases in TO over the region in the period under consideration occurred before the onset of the studied phenomena. This allows the identified features to be used in long-term earthquake forecasting.

Keywords:
kamchatka region, total ozone content, dangerous endogenous geological phenomena, hydrogen degassing, response, frequency

Article Details

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