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Category Archives: tides
It makes sense that the tide comes in as the Moon approaches that side of the Earth. The gravitational pull attracts the water away from the Earth. It would seem them that logically a low tide would happen at a location farthest from the Moon. But that is not the case. image link In the … Continue reading Antipodal Tides Continue reading → Continue reading
Tidal forces on Earth are caused by the uneven gravitational pull from the moon (and less from the sun) on opposite sides of the planet. But what are tidal forces like for objects near a black hole, a celestial object we are unable to see or explore? The information scientists have collected on black holes … Continue reading Tidal Forces and Black Holes → Continue reading → Continue reading
When’s the right time grab your surfboard and hit the beach? High tides cause closeouts, which blocks a surfer’s path, and low tides cause slow-rolling waves, which are low frequency and high amplitude waves. Ideally, you want to surf during mid tide conditions. But first, what causes these changes in tide? Tides are caused by … Continue reading Blog 2: When is the Best Time to Surf? → Continue reading → Continue reading
SaltstraumenVideo Blocks The strait at Saltstraumen is one of the most interesting straits on the planet, and it has to do with more than just its notable beauty. Saltstraumen is the location of one of the strongest tidal currents in the world. When the tides come in and out from the large bodies of water … Continue reading “Current” Events on Tides → Continue reading → Continue reading
The Qiantang River runs for 459 km through Zhejiang, China, and flowing into the East China Sea via Hangzhou Bay. From Aug 15th to 21st in the Chinese Lunar Calendar, travelers come to Hangzhou Bay to see the largest tidal bore in the world, which can reach up to 9 meters in height and travel … Continue reading The Qiantang River Tidal Bore → Continue reading → Continue reading
This story begins where so many great ones do (including the unnecessarily long URL of my blog) – by making fun of Bill O’Reilly: Like many people. Bill can’t grasp how the tides operate. And, in his defense, the explanation isn’t exactly obvious to the layperson. As the moon orbits Earth, its gravitational influence produces … Continue reading Tides and the Limits of Human Understanding → Continue reading → Continue reading
The biblical tale of Moses parting the Red Sea to free the Israelites from the Egyptians is a story still shared throughout the world today. However, a lesser known rendition of the tale involving tigers and an old woman exists just off the coast of the Korean peninsula. Two South Korean islands, Modo and Jindo, … Continue reading Tides and the Parting of the Sea → Continue reading → Continue reading
When we speak of renewable energy sources, solar power often dominates the conversation. Our sun is the brightest point in our observable sky. It’s the largest object in the solar system. It’s the source of life on Earth. It’s easy to forget about the second brightest, 400 times smaller (diameter-wise) source of tides. Although it … Continue reading Tides: The Next Big Thing → Continue reading → Continue reading
Tides happen everyday, but there are certain types of tides do not happen everyday. The strongest tides and the weakest tides are called spring tides. Spring tides happen when the Sun and Moon are aligned, causing unusually strong gravitational forces and resulting very high and very low tides. Because it takes a month for the Moon … Continue reading Spring tides and Neap tides → Continue reading → Continue reading
People around the world aim to predict the highest and lowest tides using tide tables. Spring tides happen due to the gravitational pull from both the moon and sun. When the moon and sun are pulling from the same direction, the tide is more intense and this is called a spring tide. This usually occurs … Continue reading Tides and their effect on human life → Continue reading → Continue reading