How Humanity’s Water Usage Is Nudging Earth’s Tilt
MAI-MNE SUB-ZONE, SOUTHERN REGION, ERITREA, JUL 10 – The dams, costing over 20 million Nakfa, will provide water for people and livestock and support irrigation farming in Mai-Mne, enhancing local development efforts.
- A new study published this month shows that construction of 6,862 large dams between 1835 and 2011 shifted Earth's poles by about 113 centimeters and reduced global sea levels by 21 millimeters.
- Researchers analyzed a global dam database to investigate how impounded water redistributed Earth's mass and caused polar shifts in two phases linked to regional dam-building booms.
- From 1835 to 1954, dam construction mainly in North America and Europe moved the North Pole about 20.5 centimeters eastward, while dams in Africa and Asia from the 1950s reversed this trend by 57 centimeters westward.
- Lead author Natasha Valencic explained that the location of dams and reservoirs influences how sea level rise patterns develop, since capturing water on land reduces ocean levels and alters the global distribution of mass.
- These findings imply that human water storage significantly affects Earth's orientation and sea level, which researchers must consider when modeling future climate and geophysical changes.
32 Articles
32 Articles
By building thousands of dams around the world, mankind has moved the Earth's rotation axis, and artificial waters also affect sea level.
Big dams may have changed how the Earth rotates, new study finds
Human engineering appears to have moved the planet, literally. According to new research published this month, the global boom in dam construction over the past two centuries has caused measurable shifts in Earth’s poles. The data shows that it has even led to a small but significant drop in sea levels. To truly understand how it has affected our planet, we first have to look at how the Earth’s outer crust works. The crust floats on what is esse…
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