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Insolation contrast and global temperature trends

descriptionPublicationkeyboard_double_arrow_right Article 01 Nov 2022 Russian Publisher:Zenodo

Authors: Valery Fedorov; Denis Frolov; Ekaterina Fedorova;

doi: 10.5281/zenodo.7270000 , 10.5281/zenodo.7270001

Insolation contrast and global temperature trends

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Abstract

Based on the calculations of the Earth's insolation, changes in the annual meridional insolation gradient were determined in the period from 3000 BC to 2999. Changes in the meridional insolation gradient are associated with changes in the angle of inclination of the Earth's rotation axis. Based on the regression model, it is shown that the trends of changes in the near-surface air temperature and ocean surface temperature (the temperature regime of the global climate) by 69.3-84.1% are determined by the insolation contrast. The insolation contrast generically (by radiative heat source and sink regions) reflects long-term changes in the meridional gradient of insolation, which regulates the intensity of meridional radiative heat transfer in the ocean–atmosphere system.

Related Organizations

Lomonosov Moscow State University
Russian Federation

Keywords

regression model, ocean surface temperature, solar radiation, near-surface air temperature, meridional transport, insolation contrast

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