Earth’s Rotation: A Challenging Problem in Mathematics and Physics
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Título: | Earth’s Rotation: A Challenging Problem in Mathematics and Physics |
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Autor/es: | Ferrandiz, Jose M. | Navarro, Juan F. | Escapa, Alberto | Getino, Juan |
Grupo/s de investigación o GITE: | Geodesia Espacial y Dinámica Espacial |
Centro, Departamento o Servicio: | Universidad de Alicante. Departamento de Matemática Aplicada |
Palabras clave: | Earth rotation | Nutation | Precession | Polar motion | UT1 |
Área/s de conocimiento: | Matemática Aplicada |
Fecha de publicación: | ene-2015 |
Editor: | Springer Basel |
Cita bibliográfica: | Pure and Applied Geophysics. 2015, 172(1): 57-74. doi:10.1007/s00024-014-0879-7 |
Resumen: | A suitable knowledge of the orientation and motion of the Earth in space is a common need in various fields. That knowledge has been ever necessary to carry out astronomical observations, but with the advent of the space age, it became essential for making observations of satellites and predicting and determining their orbits, and for observing the Earth from space as well. Given the relevant role it plays in Space Geodesy, Earth rotation is considered as one of the three pillars of Geodesy, the other two being geometry and gravity. Besides, research on Earth rotation has fostered advances in many fields, such as Mathematics, Astronomy and Geophysics, for centuries. One remarkable feature of the problem is in the extreme requirements of accuracy that must be fulfilled in the near future, about a millimetre on the tangent plane to the planet surface, roughly speaking. That challenges all of the theories that have been devised and used to-date; the paper makes a short review of some of the most relevant methods, which can be envisaged as milestones in Earth rotation research, emphasizing the Hamiltonian approach developed by the authors. Some contemporary problems are presented, as well as the main lines of future research prospected by the International Astronomical Union/International Association of Geodesy Joint Working Group on Theory of Earth Rotation, created in 2013. |
Patrocinador/es: | This work has been partially supported by the Spanish government under Grants AYA2010-22039-C02-01 and AYA2010-22039-C02-02 from Ministerio de Economía y Competitividad (MINECO), the University of Alicante under Grant GRE11-08 and the Generalitat Valenciana, Grant GV/2014/072. |
URI: | http://hdl.handle.net/10045/53308 |
ISSN: | 0033-4553 (Print) | 1420-9136 (Online) |
DOI: | 10.1007/s00024-014-0879-7 |
Idioma: | eng |
Tipo: | info:eu-repo/semantics/article |
Derechos: | © 2014 The Author(s). This article is published with open access at Springerlink.com. This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited. |
Revisión científica: | si |
Versión del editor: | http://dx.doi.org/10.1007/s00024-014-0879-7 |
Aparece en las colecciones: | INV - GEDE - Artículos de Revistas |
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