Solar Cycle Impacts Earth’s Weather and Climate

Lesley J. Gray, Will Ball and Stergios Misios. Solar Influences on climate over the Atlantic / European SectorRadiation Processes in the Atmosphere and Ocean (IRS2016) AIP Conf. Proc. 1810, 020002-1–020002-8; doi: 10.1063/1.4975498

There is growing evidence that variability associated with the 11-year solar cycle has an impact at the Earth’s surface and influences its weather and climate. Although the direct response to the Sun’s variability is extremely small, a number of different mechanisms have been suggested that could amplify the signal, resulting in regional signals that are much larger than expected. In this paper the observed solar cycle signal at the Earth’s surface is described, together with proposed mechanisms that involve modulation via the total incoming solar irradiance and via modulation of the ultraviolet part of the solar spectrum that influences ozone production in the stratosphere.

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