Decadal length-of-day and geomagnetic changes imply more complex Earth’s core motions  

作　　者：Hao Ding Jiancheng Li Weiping Jiang Wenbin Shen 

机构地区：[1]School of Geodesy and Geomatics,Hubei Luojia Laboratory,Wuhan University,Wuhan 430079,China [2]GNSS Research Center,Wuhan University,Wuhan 430079,China

出　　处：《Science Bulletin》2024年第13期2038-2041,共4页科学通报（英文版）

基　　金：supported by the National Natural Science Foundation of China(42388102,42192533 and 42192531);the Special Fund of Hubei Luojia Laboratory(220100002).

摘　　要：Since the 1950s,the length-of-day variations(DLOD)of the Earth’s rotation have received extensive attention and research in various fields,including geodynamics,geomagnetism,geodesy,seismology,geology,marine science,environmental science,and even biology and physics.Despite the abundance of related studies and notable advancements,the underlying mechanism behind the decadal changes in DLOD remains a persistent unresolved question.An essential aspect of investigating this issue lies in its potential to unveil the Earth’s core motions[1,2].Despite the presence of various hypothesized and constructed models about the Earth’s core motions,these models typically exhibit simplicity.

关 键 词：Earth GEOLOGY GEOMAGNETIC 

分 类 号：P318[天文地球—固体地球物理学]