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Possible effects on Earth's climate due to reduced atmospheric ionization by GCR during Forbush Decreases

  • Williamary Portugal (a1), Ezequiel Echer (a1), Mariza Pereira de Souza Echer (a1) and Alessandra Abe Pacini (a2)

Abstract

This work presents the first results of a study about possible effects on the surface temperature during short periods of lower fluxes of Galactic Cosmic Rays at Earth, called Forbush Decreases. There is a hypothesis that the Galactic Cosmic Ray flux decreases cause changes on the physical-chemical properties of the atmosphere. We have conducted a study to investigate these possible effects on several latitudinal regions, around the ten strongest FDs occurred from 1987 to 2015. We have found a possible increase on the surface temperature at middle and high latitudes during the occurence of these events.

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References

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