What are spring and neap tides? - NOAA's National Ocean Service
网页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.
Spring tide | Tides, Oceanography, Moon | Britannica
网页1998年7月20日 · Spring tide, tide of maximal range, near the time of new and full moon when the Sun and Moon are in syzygy—i.e., aligned with the Earth. Conjunction is the time during new moon when the Sun and Moon lie on the same side of the Earth. The other syzygy condition, opposition, occurs during full moon.
What’s the Difference Between Spring and Neap Tides?
网页2022年3月27日 · 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 …
Tides - NASA Science
网页Twice a month, when the Earth, Sun, and Moon line up, their gravitational power combines to make exceptionally high tides, called spring tides, as well as very low tides where the water has been displaced. When the Sun is at a right angle to the Moon, moderate tides, called neap tides, result.
What is a perigean spring tide? - NOAA's National Ocean Service
网页A perigean spring tide occurs when the moon is either new or full and closest to Earth. Often between 6-8 times a year, the new or full moon coincides closely in time with the perigee of the moon — the point when the moon is closest to the Earth. These occurrences are often called 'perigean spring tides.'.
Spring & Neap Tides Explained - Tide Guide
网页Spring tides are characterized by the highest high tides and lowest low tides, occurring during new and full moons, while neap tides, with their less extreme tidal ranges, occur during the quarter moon phases.
3.7.4: Spring and neap tide - Geosciences LibreTexts
网页2021年12月20日 · The ellipsoid becomes more pronounced and the tide gets a bigger amplitude and is called spring tide. When the solar and lunar tides are 90° out of phase, their effects cancel each other (first and last quarter).
Tides and Water Levels - NOAA's National Ocean Service
网页When the sun, moon, and Earth are in alignment (at the time of the new or full moon), the solar tide has an additive effect on the lunar tide, creating extra-high high tides, and very low, low tides—both commonly called spring tides.
Spring Tides Neap Tides | The Old Farmer's Almanac
网页2023年11月30日 · Since antiquity, people have noticed that the greatest difference between high and low tide is around New Moon and Full Moon. These tides are known as spring tides. When the tidal range is smallest, they are called neap tides. Learn more.
Cause and Effect: Tides - National Geographic Society
网页2023年10月19日 · The combined pull can cause the highest and lowest tides, called spring tides. Spring tides happen whenever there is a new moon or a full moon and have nothing to do with the season of spring. (The term comes from the German word springen, which means “to jump.”)