National Geographic 1967 : Solar Activity Controls Glaciers

Alaska’s ice masses advance and retreat in direct correlation with cyclic changes in sunspot numbers. Sunspots coincide with strong electrical energy discharges from the sun …… cyclic solar storms affect glaciers’ temperatures and nourishment—snow—causing growth and decay in similar cycles. We detect an intercontinental similarity in the glaciers’ regular thickening and thinning.

The National Geographic Archive | February 1967 | page 1

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