On our planet, the duration of a day is getting longer, but not in a positive way.
The length of a day on Earth has increased due to the rise in water levels.
The world has been greatly impacted by climate change; we are witnessing increasingly extreme storms, including strong hurricanes, terrible droughts, and excruciating heatwaves and wildfires due to rising temperatures.
Additionally, a study published in the Proceedings of the National Academy of Sciences (PNAS) claims that day length is increasing.
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Scholars have examined the increasing ocean levels, resulting from a notable increase in global temperatures that has led to the melting of polar ice caps.
As everyone is aware, a day is made up of 24 hours, or 86,400 seconds, but this number is really growing.
The reason for this can be found in a recent study titled The increasingly dominant role of climate change on length of day fluctuations.
With the assistance of scholars Mostafa Kiani Shahvandi, Surendra Adhikari, Mathieu Dumberry, and Siddhartha Mishra, Benedikt Soja came to the conclusion that the Earth’s axis of rotation is being altered by the melting ice caps, which is slowing the planet down in the process.
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“Modern climate change is unprecedented,” Soja stated. Sea levels have risen as a result of the acceleration of glacier and polar ice sheet melting in recent decades.
The length of day (LOD) and oblilateness of the Earth have both considerably grown since 1900 as a result of this pole-to-equator mass movement. We demonstrate that the current rate of growth is greater than it has ever been during the 20th century.
“The influence of lunar tidal friction will be surpassed by the climate-induced LOD rate, which is expected to climb at a rate twice as high as it is currently under high emission scenarios.
“These findings signify the unprecedented effect of climate change on planet Earth and have implications for precise timekeeping and space navigation, among others.”
The study examined and evaluated how melting ice is affecting the length of a day using computer reconstructions and observations.
They also discovered that, whereas the pace of slowing had been between 0.3 to 1.0 milliseconds per century (ms/cy) between 1900 and 2000, it had accelerated to 1.3 ms/cy since the year 2000.
According to Soja, “Projections of future climate warming under high emission scenarios suggest that the climate-induced LOD rate may reach 2.62 ± 0.79 ms/cy by 2100, overtaking lunar tidal friction as the single most important contributor to the long-term LOD variations.”
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