Why No Significant Tides Occur on Lakes and Other Bodies of Water

Ocean tides occur because the water flows from locations with a low tide to those with a high tide on the other side of the world. On the other hand, the world’s lakes are not interconnected, & therefore, no significant tides can occur.

Tides are much smaller in lakes, and flat-Earthers use them to discredit gravity. In reality, lakes are not connected. Water in a lake cannot flow to another on the other side of Earth and cannot cause a low tide to one & high tide to another.

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No Correlation Exists Between Salinity and Tides

No correlation exists between salinity and tide. These bodies of water have higher salinity than the seawater average, yet they have no tides or smaller tides than the ocean.

Tides occur on the ocean with salt water, but seemingly not on lakes with fresh water. Flat-Earthers use it to “prove” salinity causes tides. In reality, there are bodies of water with a higher salinity than the ocean but smaller tides.

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Antipodal Tide

Tides are the result of the variation of lunar gravitational acceleration over all the material of which the Earth is composed. They are not caused by the magnitude of such acceleration exerted on a specific location only.

Flat-Earthers discovered that the position away from the Moon is also having a tide, not just the location where the Moon is directly overhead. Then, they were happy to proclaim that it is a failure of science to explain tides. In reality, tides are the result of the variation of lunar gravity over the entire Earth, not just the magnitude of the lunar acceleration on a single location only.

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Tide

The topic of tide come up frequently in the flat-Earth community. Let’s examine some of the ‘issues’ they brought up about tides in Q&A format.

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