Evidence on the climate impact of solar variations

Sallie Baliunas and Robert Jastrow

Energy, 1993, vol. 18, issue 12, 1285-1295

Abstract: Friis-Christensen and Lassen report a close correspondence in the last 100 years between average Northern Hemisphere temperatures and changes in the length of the solar magnetic cycle. Observations of the sun and a number of solar-type stars suggest the explanation for this correlation. They reveal that 1.(a) changes in the length of the magnetic activity cycle are correlated with changes in the amplitude of surface magnetic activity;2.(b) the amplitude changes in turn are positively correlated with changes in the sun's brightness. These relationships connect changes in the length of the solar cycle with solar irradiance changes. They supply a physical mechanism for the connection between terrestrial temperatures and the length of the solar cycle reported by Friis-Christensen and Lassen.

Date: 1993
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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:18:y:1993:i:12:p:1285-1295

DOI: 10.1016/0360-5442(93)90016-7

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