地球赤道上空地月距离的4.425a周期与厄尔尼诺、地球自转、海面变化及地裂缝的关系

文中论述了在地球赤道上空,地月距离存在4.425a 的变化周期,是由于月近地点在8.85a的周期性运移中,每到黄径0°和180°(赤道线上)在地球自转的背景下使地月距效果相同所致。而每年的地近日点(1月3日或4日)正置圣诞节过后几天,因此,日、月、地相对运动每隔4.425a 在圣诞节前后三者距离总会达到最近。本文计算了1910～1991年圣诞节前后赤道上空地月距离的变化,发现日、月、地最近时与厄尔尼诺、地球自转、海平面变化,地裂缝等自然现象的发生存在着统计上可以认可的相关性。

The 4.425a Periodic Change of the Distance Between the Earth and the Moon Above the Earth Equator in Relation to El Ni(?)o, Rotation of the Earth, Sea-Level Change and Ground Crack

In this paper,the authors proposed the existence of 4.425a periodic change of the distance between the earth and the moon above the earth equator.This periodic change is caused by the 8.85-year periodic move of the perigee of the moon.Under the circum- stance of the earth rotation,the distance between the earth and the moon above the earth equator has the same effect when the moon goes through the 0 degree and 180 de- grees of the ecliptic longitude.The perihelion of the earth each year is just several days after Christmas Day (3 or 4 January).So,the distances from the earth to the sun and from the earth to the moon may reach the closest point around Christmas every 4.425 years.The changes of the distance between the earth and the moon above the earth e- quator around Christmas from 1910 to 1991 were calculated in this paper.There exists statistical correlativity between the moon and natural phenomena such as El Nino,the rotation of the earth,the sea-level changes and ground crack.