朔望大潮即夏历初一和十五以后的大潮。如果同时考虑月球和太阳对潮汐的效应,并暂不考虑太阳和月球的赤纬变化和地球距离的变化
当圆月或新月,引力较强,海水向外膨胀,引起朔望大潮。
When the moon is full or new, attraction is high, and the oceans bulge outward, creating spring tides.
在潮差逐日变化的半个朔望月的周期里,有朔望大潮,它与月相有关。
In the tidal difference daily variations, there is a period of half lunar month of syzygy spring tides related to the phase of the moon.
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