- Retired from Anshan City Qianshan District Government, Qianshan District Science and Technology Bureau, Chengdu, China (xinxianwu@126.com)
, Are the Vibrationand Equation and Wave Equation of Tidal Forc. These Physicale Equations are the basis for further study of the Wave theory of the Earth. Due to a combination of the Earth Rotation and Tidal Forces, the Earth to Wave constantly. The Wave of the Earth produce many Physical Effect, such as: Harmonic Motion of the Earth, Ocean Tides, and so on. Harmonic Dynamics of the Earth (D) studies only two Physical Effects of crustal Wave Processes: Fatigue Effect and Surge Effect. The Fatigue Fracture of Continents forms Peninsulas or Islands, such as: Madagascar and the Malay Peninsula. Continental Surge Effects create Plateaus and Mountain Ranges, such as the Andes and the Brazilian Highlands.
The Topography of the Ocean Floor records the Move Trackway of the Continents. Reconstructing Continents along their Move Trackway on the Ocean Floor is not the same as " fitting " two Continent Masses into one. For the Reconstruction of the Antarctic Continent and South America: Where the two Continents were connected earlier, they have been pulled in two tails by the Ocean Floor of the Drake Passage. The Continent connecting North and South America has also been severely deformed. The Ocean Floor and the Continents all are constantly contraction and deformation. This contraction makes room for the New Ocean Floor. The area where the two Continents joined before 250Ma is already con not fully " fitting " now. For example, the Continent Side of the Mariana Trench cannot accommodate the Continent of the middle and lower Yangtze River plain and Wuyi Mountain. The Side of Gulf of Mexico of the North American Continent cannot accommodate the Northern tip of South America. Ocean Ridges often develop from Early Rifts in Continents. Therefore, the Ocean Ridge can be used as evidence that the Continent Mass was connected ever to the Continent: The Indian Ocean Ridge at 90° E is the evidence of Australia and Asia once connected. The Southwest Indian Ocean Ridge is the evidence of Antarctica and Africa once connected. The Mid-Atlantic Ridge is evidence that the Americas were once connected to Asia and Africa.
The Reconstruction of Ancient Continent needs to follow three basic constraints: (1) Regression point by point based on time. It follows the Calculation Results of the Harmonic Dynamics of the Earth. Because every centimeter of Continental Drift requires a huge Driving Force. (2) Pay attention to the correspondence between the Topography of the Ocean Floor and the location of the Continent. (3) To consider the " fitting " of the Shape, Geological Structure, Paleomagnetism, and Ancient Plant and Animal communities between Continent Masses. This Reconstruction Method is beneficial for determining the Paleogeographic Location of each City. Provide clearer information on Continental Drift.
How to cite: xin, X.: Harmonic dynamic of the Earth (D), EGU General Assembly 2025, Vienna, Austria, 27 Apr–2 May 2025, EGU25-4, https://doi.org/10.5194/egusphere-egu25-4, 2025.
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