mont_saint_michelImage of Mont Saint-Michel

As we learned from Chapter 4, tides and waves are caused by the actions of gravitational force of the Moon and the Sun. Without tides, scientist won’t be able to predict the alarming predicament of global warming and the beachgoers are not able to enjoy surfing at the beach. There are also countries who generates electric from the tidal energy. So, without us knowing, tides bring advantages to us.

In Europe, the highest tides occurs at Mont Saint-Michel in Normandy, France. It is said to be having less than 50 people living there. This is because Mont Saint-Michel can only be “accessed” during low tide periods. The bay at Mont Saint-Michel is very dangerous because the sea water could rise as tall as a four-floors building and faster than a human could swim. On 30th March 1997, about 3 million people came to this place to watch the supertide or better known as “The Tide of the Century”.


Image: What Causes Tides?

The phenomena is called Spring Tide. It is caused by the alignment of the Sun and The Moon with Earth in between which usually occurs in Spring (which explains the name). The gravitational force from the Moon and the gravitational force from the Sun are added up together thus enhancing the tidal effect. I think it’s amazing how the universe works. At some point, Mont Saint-Michel is an island and at another point, it becomes an opportunity for tourists and locals to walk on the seabed while embracing the spectacular Norman architecture. Read more here.


4 thoughts on “Tides!”

  1. The spring tide makes such a huge difference in water levels! I wonder how difficult it must be to maintain a boat that has to go through those cycles. Do you think passing objects such as asteroids or even the satellites we send into space have an effect on Earth’s tides?


    1. I know! Even more amazing how the Earth manages to keep the cycle going since billion of years ago. Universe is wondrous. I think asteroids and satellites might cause a tidal effect too but since their masses are toooo small (relative to Earth), so we assume it is negligible? But that’s a good question to think about. Thank you for stopping by, Adam! 🙂


  2. hi. i also posted something related to tides and yours is very interesting. i am very curious about the relation of tides and global worming. could you suggest some websites that i could read about it later. thank you.


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