Geophysics and Geophysical Exploration (지구물리와물리탐사)

Korean Society of Earth and Exploration Geophysicists (한국지구물리·물리탐사학회)
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Earth Rotation and Earth Tide: Review

지구자전과 지구조석 연구소개

  • Sung-Ho Na (Research Institute of Natural Sciences/Department of Astronomy & Space Science, Chungnam National University) ;
  • Yu Yi (Research Institute of Natural Sciences/Department of Astronomy & Space Science, Chungnam National University)
  • 나성호 (충남대학교 자연과학연구소 및 천문우주과학과) ;
  • 이유 (충남대학교 자연과학연구소 및 천문우주과학과)
  • Received : 2023.07.03
  • Accepted : 2023.11.26
  • Published : 2023.11.30
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Abstract

Studies on Earth's rotation and tide since the 19th century are briefly summarized. The theories of precession, nutation, polar motion, and periodic/secular changes in the rate of rotation are described individually. In addition, a brief review of the Milankovitch theory - the hypothesis of the relationship between the Earth's spin/orbital rotational state and the ice ages - is given. Finally, Earth's tides and their theoretical models are briefly explained. Some detailed technical content is summarized in the appendices.

지구자전과 조석현상에 관하여 19세기 이후 현재까지 알려진 주요 내용들을 소개하였다. 지구자전속도의 영년적/주기적 변화, 세차운동과 장동, 극운동에 관하여 기술하였으며, 또한 지구의 공전/자전 상태와 빙하기도래의 관련설 - Milankovitch 이론에 대하여 돌아보고, 자전과 긴히 연관된 현상으로서 지구조석에 대하여도 기술하였다. 그리고 몇몇 이론적 상세를 부록에 두었다.

Keywords

Acknowledgement

본 해설은 한국연구재단의 중견연구지원사업(2022R1A2C1092086)에 의한 연구의 일환으로 작성되었습니다. 친절한 지적을 해주신 두 심사위원님들과 원활한 심사와 편집과정의 진행 및 세심한 교정을 해주신 지구물리물리탐사학회의 모든 분들, 특히 정우근 교수님에게 감사드립니다. 자전관련연구를 하는 중 많은 분들의 도움을 받았으며, 오래 전에 지구-달 동력학계 문제를 소개해주신 캐나다 Univ of Manitoba의 문우일 교수님 그리고 극운동연구를 위한 자료제공과 격려를 주신 미국 JPL NASA의 Dr. Gross에게 감사드립니다. 또한 저희 연구에 조언을 주신 유용재 교수님에게 감사드립니다. 여기에 저희에게 영감을 주었던 경전 구절이 있습니다 - 하나님의 비밀이 성신의 권능으로 그들에게 펼쳐질 것이니, 고대에서와 같이 이 시대에도 역시 그러하며, 장차 올 시대에서와 같이 고대에도 역시 그러하였음이라. 그러한즉 주의 진로는 하나의 영원한 원이니라(니파이전서 10장 19절). 예수 그리스도의 이름으로 전합니다.

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