Mar 13 • 08:04 UTC 🇧🇷 Brazil G1 (PT)

Climate change is making days longer — and this has never happened so fast in 3.6 million years

A recent study reveals that climate change is contributing to the lengthening of days on Earth at an unprecedented rate in 3.6 million years.

A study published in the "Journal of Geophysical Research: Solid Earth" indicates that days on Earth are becoming longer due to climate change, with the current increase in day length being the largest recorded in the last 3.6 million years. Conducted by researchers from the University of Vienna and ETH Zurich, the study highlights how accelerated ice melting at the poles is redistributing ocean mass and slightly slowing Earth’s rotation.

As polar ice caps and glaciers continue to melt, the redistribution of water mass is leading to an elevation in sea levels, further impacting the Earth's rotation. Currently, this lengthening of days is occuring at a rate of approximately 1.33 milliseconds per century. Although this increase may seem negligible, it is significant from a geological perspective, suggesting that the Earth’s rotational dynamics are being altered at a faster rate than previously observed.

The implications of this phenomenon extend beyond the simple increase in day length; they also raise concerns about climate change’s broader impact on the Earth's systems. Scientists warn that ongoing changes in ice mass might further affect sea levels and global weather patterns, with potential repercussions for ecosystems and human activities alike. Significant scientific inquiry into these alterations is necessary to better understand their long-term effects on our planet’s environment and climate.

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