Earth-Moon Barycentre Excursions and Anomalous Quaternary Sea Level Highstands - International Journal of Geosciences

IJG > Vol.13 No.8, August 2022

International Journal of Geosciences

Volume 13, Issue 8 (August 2022)

ISSN Print: 2156-8359 ISSN Online: 2156-8367

Google-based Impact Factor: 0.56 Citations h5-index & Ranking

Earth-Moon Barycentre Excursions and Anomalous Quaternary Sea Level Highstands ()

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Download as PDF (Size: 15787KB) PP. 627-656

DOI: 10.4236/ijg.2022.138034 134 Downloads 533 Views

Author(s)

Joaquin Meco¹, Consuelo Sendino^2*, Alejandro Lomoschitz³, Antonio Núñez⁴, María José Huertas⁵, Juan F. Betancort¹

Affiliation(s)

¹Departamento de Biología, Facultad de Ciencias del Mar, Universidad de Las Palmas de Gran Canaria (ULPGC), Las Palmas de Gran Canaria, Spain.
²Department of Earth Sciences, Natural History Museum, London, United Kingdom.
³Instituto de Oceanografía y Cambio Global, IOCAG, Universidad de Las Palmas de Gran Canaria, ULPGC, Las Palmas de Gran Canaria, Spain.
⁴Department of Electrical and Electronics Engineering, Universidad de Las Palmas de Gran Canaria, ULPGC, Las Palmas de Gran Canaria, Spain.
⁵Departamento de Mineralogía y Petrología, Facultad de Ciencias Geológicas, Universidad Complutense de Madrid (UCM), Madrid, Spain.

ABSTRACT

Plate tectonics is driven by Earth-Moon barycentre shifts in the lower mantle. The eastern Canary Islands have geographic and geological conditions derived from the movements of the Central American plates. Some features of these islands are influenced by the rotation of the Earth from west to east in the evolution of the marine currents that surround them and the opening of the North Atlantic to the North Pole with little dependence of the glacial isostatic adjustment (GIA). In addition, their position with respect to the Tropic of Cancer and the African continent affect the north-south and east-west climatic change dynamics and their tectonic stability respectively. Dated lavas contain marine and aeolian deposits and some of the Pleistocene marine deposits indicate higher sea level in cooler circumstances, which is anomalous. Relating those marine deposits produced during the warmest interglacial, the last interglacial and the Holocene with their equivalents in the Southern Hemisphere, they reflect shifts in the barycentre. Thanks to Holocene radiocarbon, topographic and day length data and alkenone temperature, we describe a mechanism by which the oscillation of the Moon’s inclination (and declination) reaches extreme values (14º and 34º; about 4.9º more than current values) approximately every 1450 years. These values occur when there is a harmonic distortion in surface areas of the Earth’s crust as response associated with oscillations in the displacements of the barycentre of the Earth-Moon system. As the declination influences the movement of oceanic waters, there is also a relationship with the Bond Events of the North Atlantic, of unknown cause until now.

KEYWORDS

Earth-Moon Barycentre, Lunar Declination, Sea-Level, Canary Islands, Neogene, Quaternary

Share and Cite:

Meco, J. , Sendino, C. , Lomoschitz, A. , Núñez, A. , Huertas, M. and Betancort, J. (2022) Earth-Moon Barycentre Excursions and Anomalous Quaternary Sea Level Highstands. International Journal of Geosciences, 13, 627-656. doi: 10.4236/ijg.2022.138034.

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