The increased concentration of aerosols in the stratosphere would refract more light during sunsets and create a colorful sky.
(Photo: IMAGO/Zoonar)
Dusseldorf In Indonesia, the Tambora volcano shoots a column of flames, rocks and ash into the sky. Sulfur dioxide escapes and forms a cloud around the globe, blocking out sunlight for an entire year. It’s getting cold on the planet. 1816 is also called “the year without a summer”. In Europe there are crop failures, floods and famine.
Such volcanic eruptions provide data for Ulrike Niemeier. At the Max Planck Institute in Hamburg, the scientist opens a window on her computer screen, types in a few numbers and presses enter. The program shows her a table. Niemeier opens a world map. A red, spiral cloud moves on the map. It turns green, spreads across the Northern Hemisphere and disappears.
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