Human-Constructed Dams Have Shifted the Earth’s Poles, Scientists Say

People have created many dams around the world that the earth’s poles have moved away from the rotation axis of the planet, new research says.

In the past 200 years, people have built around 000,3 huge dams, the earth’s poles have flowed enough to spread the minimum water by about three feet (one meter) and the global sea level has dropped 0.83 inches (21-millimeters), a new study says, a new study says Geophysical research paperThe

This flow is possible because the earth’s hardland Gui Magma forms a solid shell around a molten level. This means that whenever a significant amount of mass is re -distributed across the surface of the planet, the exterior rock layer trembles, related to the molten interior of the earth. When this happens, different regions of the Earth’s surface end up directly above the rotation axis of the planet. As a result, the poles on the planet pass through the locations of different surfaces than before, a phenomenon known as the true pole.

Harvard University graduate student and new research author Natasha Valensic Natasha Valensic, “It does not just remove water from the ocean by which it leads to the fall of sea level – it not only removes water from the ocean – it does not just remove water from the ocean – it reaches the world.” StatementThe

In the study, the Valensic and its team their positions, the amount of water they store and the stored water has analyzed a previously published global database to determine the mass distribution of the earth. Previously, the database was revealed that 6,862 big dams built between 1835 and 2011 contributed to the decrease in the sea level. Combined, these dams hold enough water to fill the Grand Canyon twice.

The results have shown that the global dam-building has shifted the earth’s poles to two stages. The first episode from 1835 to 1954 matches a boom in the construction of dams in North America and Europe. These regions were transferred to the equatorial region and as a result, the North Pole was about 8 inches (25 cm) to the 103th Meridian east, it was a line that passed through Russia, Mongolia and China.

During the second wave of dam construction, most of the dams were built in Asia and East Africa between 8 and 20. As a result, the North Pole has shifted 22 inches (57 cm) to the 117th Meridian west, which moved to western South America and the southern Pacific. Pole is not linar to walk; Instead, it follows a jerk, which is why the total shift does not properly add up to 3.7 feet.

Although the results are relatively fine, they highlight the need to account for the water stored in the dams of the researchers when predicting the future sea level. In the twentieth century, the global sea levels increased from 4.7 to 6.7 inches (12 to 17 cm), but according to the Valencic, people were stuck about a quarter of the dam behind the dam.

“The geometry of the rise of the sea surface will change, depending on where you have placed the dam and the reservoir,” he said. “This is one more thing we need to consider, because these changes can be quite large and significant.”