Physics – Atmospheric and Oceanic Physics
Scientific paper
2005-10-06
Physics
Atmospheric and Oceanic Physics
New Fig and minor corrections, format correction
Scientific paper
When analyzing the mean-year trend of the Earth's surface temperature for the past 140 years one can discern two sections of monotone linear increase of temperature during two last industrial centuries. The first one begins somewhere in the period 1906-1909. The previous segment demonstrates a weak decrease in the temperature trend, not increase. For explanation of this sudden break we look for a phenomenon of cosmic scale during this time which could have given rise to beginning of global warming with a significant probability. On the 30th June 1908 Tungus meteorite exploded with the power of ~15 Mt TNT at an altitude of ~10 km. Such an explosion could cause considerable stirring of the high layers of atmosphere and change its structure in mesosphere. The difference between this mesosphere catastrophe and atmospheric nuclear tests that cause another break in the temperature plot is discussed. The purpose of this report is to open the debate and to encourage discussion among scientists.
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