Which phenomenon causes oceans to bulge? During high tide periods, low-lying areas that border the ocean now flood way more often than they used to. Tides are considered the heartbeat of our planet’s oceans. An increase in the weather pressure may cause a really low tide. A weather pressure can cause both low and high tides in the ocean. The tide will become higher than usual when that happens. C. Earth's rotation. What causes this … The image aboves shows the NOAA San Francisco Tide Station, in operation for more than 150 years. Meanwhile, a low pressure in the weather can cause the tides to become high. They are the periodic rise and fall of the earth’s bodies of open water, and are a result of the gravitational pull of the moon and sun on the earth, as well as the perpetual spinning rotation of the earth itself. The rise and fall of the tides play an important role in the natural world and can have a marked effect on maritime-related activities. And why/when do they occur: King tides occur when the orbits and alignment of the Earth, moon, and sun combine to produce the greatest tidal effects of the year. By Rick Groleau; Posted 11.19.02; NOVA; In this animated interactive, see how the motion of the Earth creates inertial forces that combine with the … What Causes Tides Beside the Moon? Tides are caused by gravitational pull of the moon and the sun. What Causes the Tides? It is above the highest water level reached at high tide on an average day. The Moon is the biggest player in creating tides, but it's not the only planetary body involved. The gravity of the Moon causes a high tide both on the side of the Earth directly below the Moon (sublunar tide) and the opposite side of the Earth (antipodal). Tides have caused a lot of trouble recently. Weather Pressure. 8. What are the relationships between Moon Phases and Tides? Which event causes tides? Another cause of ocean tides is weather pressure. Tides and the Moon While the Sun and the rotation of the Earth both have some tidal impact, the location of the Moon has the biggest affect on the tide. Which factor contributes to the formation of tides that turn turbines to create energy in the ocean? Most people are already familiar with the idea of high and low tides, but where do they come from? C. the interaction of the moon, the Sun, and Earth. C. the moon's gravity. The high and low tide are caused by the gravitational forces between the earth and the moon. What Causes the Tides? Tides are caused mainly by differences in how much the moon's gravity pulls on different parts of Earth. The king tide is the highest predicted high tide of the year at a coastal location. However, the source of the real effect takes some explaining to grasp. New & Full Moon Phases = Spring Tides 1st Quarter & 3rd Quarter Moon Phases = Neap Tides. 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