Glaciers on volcanoes could serve as early-warning systems
They could also skew measurements of climate change
Mapping glaciers was once a difficult and arduous job. So was monitoring volcanoes for the grumblings and rumblings that might herald an eruption. In recent decades, the old methods of hiking boots and mountaineering gear have been joined by satellites and remote sensing, making things both easier and safer.
This article appeared in the Science & technology section of the print edition under the headline “Ice and fire”
From the September 30th 2023 edition
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