Climate crisis has shifted the Earth’s axis, study shows
https://www.theguardian.com/environment/2021/apr/23/climate-crisis-has-shifted-the-earths-axis-study-shows> The research, published in the journal Geophysical Research Letters, showed glacial losses accounted for most of the shift, but it is likely that the pumping up of groundwater also contributed to the movements.
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> Groundwater is stored under land but, once pumped up for drinking or agriculture, most eventually flows to sea, redistributing its weight around the world. In the past 50 years, humanity has removed 18tn tonnes of water from deep underground reservoirs without it being replaced.
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> Vincent Humphrey, at the University of Zurich, Switzerland, and not involved in the new research said it showed how human activities have redistributed huge amounts of water around the planet: “It tells you how strong this mass change is – it’s so big that it can change the axis of the Earth.” However, the movement of the Earth’s axis is not large enough to affect daily life, he said: it could change the length of a day, but only by milliseconds.
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