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17 Οκτ 2024 · These are the neap tides. Image via NOAA. What are neap tides? There’s about a seven-day interval between spring tides and neap tides, when the tide’s range is at its minimum.
5 Αυγ 2021 · When the Sun is at a right angle to the Moon, moderate tides, called neap tides, result. From our view on Earth, these tides coincide with certain lunar phases since they occur when the Moon reaches specific positions in its orbit.
A spring tide—popularly known as a "King Tide"—refers to the 'springing forth' of the tide during new and full moon. A neap tide —seven days after a spring tide—refers to a period of moderate tides when the sun and moon are at right angles to each other.
28 Σεπ 2024 · Neap tide, tide of minimal range occurring near the time when the Moon and the Sun are in quadrature. This condition is geometrically defined as the time at which the line from the Earth to the Moon is at right angles to the line from the Earth to the Sun.
The second picture shows a neap tide. A neap tide occurs when the Earth and Sun are in line but the Moon is perpendicular to the Earth. This happens when the moon is at first or last quarter moon phase. In this case, the pull of gravity from the Sun partially cancels out the pull of gravity from the Moon, and the tides are less pronounced.
What is a neap tide? When the sun and moons are at right angles to each other, there is least gravitational pull, meaning the tidal range is at its lowest. The neap tide occurs 7 days after the spring tide.
Diagram showing the Sun (yellow) and Moon (grey) and their alignments to produce spring (high) and neap (low) tides (both green) on Earth. Tidal effects act to stretch a spherical body into an ovoid shape, and they act along the line connecting the centre of the two celestial bodies.
