Hostname: page-component-8448b6f56d-t5pn6 Total loading time: 0 Render date: 2024-04-24T19:46:50.148Z Has data issue: false hasContentIssue false
  • English
  • Français

The Sea Level Change of the Tropical Pacific and the Rotation of the Earth

Published online by Cambridge University Press:  07 August 2017

Dawei Zheng  and
Gang Chen
Dawei Zheng
Affiliation:
Shanghai Observatory, Chinese Academy of Sciences Shanghai 200030, P. R. China
Gang Chen
Affiliation:
Shanghai Observatory, Chinese Academy of Sciences Shanghai 200030, P. R. China

Abstract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

About 30-year time series of the length of day (LOD) and the Pacific sea level are analysed in the paper. The close correlation between Earth rotation and sea level is discussed. Dynamical analysis of the angular momentum of tropical Pacific Ocean and solid Earth shows that the sea level changes of eastern and western Pacific lead the LOD interannual change in phases of 1 and 2 months respectively. The tropical Pacific effect accounts for about 31% in LOD change and is even more evident during El Nino events. Changes of the Earth rotation also cause changes in the oceanic mass distribution.

Type
Impact on Geodynamics
Information
Symposium - International Astronomical Union , Volume 156: Developments in Astrometry and their Impacts on Astrophysics , 1993 , pp. 297 - 302
Copyright
Copyright © Kluwer 

References

1. Caldwell, P. et. al. (1989), ‘TOGA Sea Level Center: data from the Pacific’, JIMAR, No. 89 — 202, 34pp.Google Scholar
2. Eubanks, T.M., Steppe, J.A. and Dickey, J.O.(1986), ‘The El Nino, the southern oscillation and the Earth rotation’, in Earth Rotation: Solved and Unsolved Problems, D. Reidel Publishing Company.Google Scholar
3. Peltier, W.R.(1988), ‘Global sea level and earth roattion’, Science, 240,895–901.CrossRefGoogle Scholar
4. Song, G.X., Zheng, D.W. and Luo, S. F.(1989), ‘The dynamical analysis of Earth rotation in connection with ENSO’, Acta Astronomic Sinica, 30, 310–314.Google Scholar
5. Rosen, R.D., Salstein, P.A and Wood, T.M.(1990), ‘Discrepancies in the earth-atmosphere angular momentum budget’, J. Geophys. Res., 95, 265–279.Google Scholar
6. Wyrtki, K.(1984), ‘The slope of sea level along the equator during the 1982–1983 El Nino’, J. Geophys. Res. 89, 10419–10424.Google Scholar
7. Wyrtki, K.(1985), ‘Water displacements in the Pacific and the genesis of El Nino cycles’, J. Geophys. Res., 90, 7129–7132.Google Scholar
8. Zheng, D.W.(1988), ‘Earth rotation and the activities of ocean and atmosphere’, Advance in Astrnomy, 6, 316–328.Google Scholar
9. Zheng, D.W. and Luo, S.F.(1992), ‘Contribution of time series analysis to data processing of astronomical observation in China’, Statistica Sinica, 2, 605–618.Google Scholar