b Shan‘hai Astronomical Observatory \ Chinese Academy of Sciences \ Shan‘hai \ China
Variations of the atmospheric angular momentum "AAM # is responsible for almost all of the observed length!of!day "LOD # variation on time scales from several days to several years \ and much of the observed polar motion on the intra!seasonal time scale [ El Nino:Southern Oscillation "...
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.613.7746 2023-05-15T17:33:22+02:00 b Shan‘hai Astronomical Observatory \ Chinese Academy of Sciences \ Shan‘hai \ China Benjamin Fong The Pennsylvania State University CiteSeerX Archives 886 application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.613.7746 http://www.ncu.edu.tw/~ncu5680/deans/class/eng/1999-Chao-JG-Meteorological excitation of interannual polar motion by the North Atlantic Oscillation.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.613.7746 http://www.ncu.edu.tw/~ncu5680/deans/class/eng/1999-Chao-JG-Meteorological excitation of interannual polar motion by the North Atlantic Oscillation.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://www.ncu.edu.tw/~ncu5680/deans/class/eng/1999-Chao-JG-Meteorological excitation of interannual polar motion by the North Atlantic Oscillation.pdf text ftciteseerx 2016-01-08T14:38:27Z Variations of the atmospheric angular momentum "AAM # is responsible for almost all of the observed length!of!day "LOD # variation on time scales from several days to several years \ and much of the observed polar motion on the intra!seasonal time scale [ El Nino:Southern Oscillation "ENSO # and Quasi!Biennial Oscillation "QBO # have been singled out to successfully explain interannual LOD variations [ However\ excitation sources for the interannual polar motion \ including the 03 month Chandler wobble \ have not been positively identi_ed [ This paper studies the correlation of the observed polar motion C with the North Atlantic Oscillation "NAO# \ an interannual \ mid!latitude \ north!south seesaw in the atmosphere!ocean system [ An index "NAOI # used as a proxy to measure the strength of NAO is compared with the observed interannual polar motion excitation during 08530883 [ Cross!correlation functions and coherence spectra demonstrate signi_cant correlations between NAOI and C \ especially in the x component as expected from NAO|s location and general pattern [ This constitutes a positive identi_cation of excitation of interannual polar motion by a meteorological system [ Furthermore \ our corresponding results with respect to ENSO strongly suggest that a combination of meteorological systems will better explain the observed interannual Text North Atlantic North Atlantic oscillation Unknown Chandler ENVELOPE(-59.682,-59.682,-64.490,-64.490) |
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English |
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Variations of the atmospheric angular momentum "AAM # is responsible for almost all of the observed length!of!day "LOD # variation on time scales from several days to several years \ and much of the observed polar motion on the intra!seasonal time scale [ El Nino:Southern Oscillation "ENSO # and Quasi!Biennial Oscillation "QBO # have been singled out to successfully explain interannual LOD variations [ However\ excitation sources for the interannual polar motion \ including the 03 month Chandler wobble \ have not been positively identi_ed [ This paper studies the correlation of the observed polar motion C with the North Atlantic Oscillation "NAO# \ an interannual \ mid!latitude \ north!south seesaw in the atmosphere!ocean system [ An index "NAOI # used as a proxy to measure the strength of NAO is compared with the observed interannual polar motion excitation during 08530883 [ Cross!correlation functions and coherence spectra demonstrate signi_cant correlations between NAOI and C \ especially in the x component as expected from NAO|s location and general pattern [ This constitutes a positive identi_cation of excitation of interannual polar motion by a meteorological system [ Furthermore \ our corresponding results with respect to ENSO strongly suggest that a combination of meteorological systems will better explain the observed interannual |
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The Pennsylvania State University CiteSeerX Archives |
format |
Text |
author |
Benjamin Fong |
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Benjamin Fong b Shan‘hai Astronomical Observatory \ Chinese Academy of Sciences \ Shan‘hai \ China |
author_facet |
Benjamin Fong |
author_sort |
Benjamin Fong |
title |
b Shan‘hai Astronomical Observatory \ Chinese Academy of Sciences \ Shan‘hai \ China |
title_short |
b Shan‘hai Astronomical Observatory \ Chinese Academy of Sciences \ Shan‘hai \ China |
title_full |
b Shan‘hai Astronomical Observatory \ Chinese Academy of Sciences \ Shan‘hai \ China |
title_fullStr |
b Shan‘hai Astronomical Observatory \ Chinese Academy of Sciences \ Shan‘hai \ China |
title_full_unstemmed |
b Shan‘hai Astronomical Observatory \ Chinese Academy of Sciences \ Shan‘hai \ China |
title_sort |
b shan‘hai astronomical observatory \ chinese academy of sciences \ shan‘hai \ china |
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http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.613.7746 http://www.ncu.edu.tw/~ncu5680/deans/class/eng/1999-Chao-JG-Meteorological excitation of interannual polar motion by the North Atlantic Oscillation.pdf |
long_lat |
ENVELOPE(-59.682,-59.682,-64.490,-64.490) |
geographic |
Chandler |
geographic_facet |
Chandler |
genre |
North Atlantic North Atlantic oscillation |
genre_facet |
North Atlantic North Atlantic oscillation |
op_source |
http://www.ncu.edu.tw/~ncu5680/deans/class/eng/1999-Chao-JG-Meteorological excitation of interannual polar motion by the North Atlantic Oscillation.pdf |
op_relation |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.613.7746 http://www.ncu.edu.tw/~ncu5680/deans/class/eng/1999-Chao-JG-Meteorological excitation of interannual polar motion by the North Atlantic Oscillation.pdf |
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Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
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1766131845053808640 |