Oceanic torques on solid Earth and their effects on Earth rotation

Journal of Geophysical Research: Solid Earth

Volumn 107, Issue 8, 2002, Pages

  Fujita, Masayuki ^a   Chao, Benjamin F ^b   Sanchez, Braulio V ^b   Johnson, Thomas J ^c  

^a JAPAN COAST GUARD ACADEMY   (Japan)

^b NASA GODDARD SPACE FLIGHT CENTER   (United States)

^c US NAVAL OBSERVATORY   (United States)

Author keywords

Angular momentum; Earth rotation; Oceanic torque

Indexed keywords

ANGULAR MOMENTUM; EARTH ROTATION; FRICTION; GRAVITY; OCEANIC CIRCULATION; PRESSURE; TORQUE;

EID: 0037055934     PISSN: 21699313     EISSN: 21699356     Source Type: Journal    
DOI: None     Document Type: Article

References (43)

1. Barnes, R. T. H., R. Hide, F. R. S., A. A. White, and C. A. Wilson, Atmospheric angular momentum fluctuations, length-of-day changes and polar motion. Proc. R. Soc. London, Ser. A, 387, 31-73, 1983.
2. Bell, M. J., Oscillations in the equatorial components of the atmosphere's angular momentum and torques on the Earth's bulge, Q. J. R. Meteorol. Soc., 120, 195-213, 1994.
3. Brosche, P., J. Wünsch, A. Frishce, J. Sündermann, E. Maier-Reimer, and U. Mikolajewicz, The seasonal variation of the angular momentum of the oceans, Naturwissenschaften, 77, 185-186, 1990.
4. Brosche, P., J. Wünsch, E. Maier-Reimer, J. Segschneider, and J. Sündermann, The axial angular momentum of the general circulation of the oceans, Astron. Nachr., 318, 193-199, 1997.
5. Bryan, F. O., The axial angular momentum balance of a global ocean general circulation model, Dyn. Atmos. Oceans, 25, 191-216, 1997.
6. Celaya, M. A., J. M. Wahr, and F. O. Bryan, Climate-driven polar motion, J. Geophys. Res., 104, 12,813-12,829, 1999.
7. Chao, B. F., and A. Y. Au, Atmospheric excitation of the Earth's annual wobble: 1980-1988, J. Geophys. Res., 96, 6577-6582, 1991.
8. Chao, B. F., and I. Naito, Wavelet analysis provides a new tool for studying Earth's rotation, Eos Trans. AGU, 76, 161-165, 1995.
9. Chao, B. F., and Y. H. Zhou, Meteorological excitation of interannual polar motion by the North Atlantic Oscillation, J. Geodyn., 27, 61-79, 1998.
10. Chao, B. F., V. Dehant, R. S. Gross, R. D. Ray, D. A. Salstein, M. M. Watkins, and C. R. Wilson, Space geodesy monitors mass transports in global geophysical fluids, Eos Trans. AGU, 80, 247, 2000.
11. Dehant, V., C. Bizouard, J. Hinderer, H. Legros, and M. Greff-Lefftz, On atmospheric pressure perturbations on precession and nutations, Phys. Earth Planet. Inter., 96, 25-39, 1996.
12. de Viron, O., C. Bizouard, D. Salstein, and V. Dehant, Atmospheric torque on the Earth and comparison with atmospheric angular momentum variations, J. Geophys. Res., 104, 4861-4875, 1999.
13. Dickey, J. O., S. L. Marcus, C. M. Johns, R. Hide, and S. R. Thompson, The oceanic contribution to the Earth's seasonal angular momentum budget, Geophys. Res. Let., 20, 2953-2956, 1993.
14. Dickman, S. R., Determination of oceanic dynamic barometer corrections to atmospheric excitation of Earth rotation, J. Geophys. Res., 103, 15, 127-15,143, 1998.
15. Frische, A., and J. Sündermann, The seasonal angular momentum of the thermohaline ocean circulation, in Earth's Rotation From Eons to Days, edited by P. Brosche and J. Sündermann, pp. 108-126, Springer-Verlag, New York, 1990.
16. Furuya, M., and B. F. Chao, Estimation of period and Q of the Chandler wobble, Geophys. J. Int., 127, 693-702, 1996.
17. Furuya, M., and Y. Hamano, Effect of the Pacific Ocean on the Earth's seasonal wobble inferred from National Center for Environmental Prediction ocean analysis data, J. Geophys. Res., 103, 10,131-10,140, 1998.
18. Gross, R. S., The excitation of the Chandler wobble, Geophys. Res. Lett., 27, 2329-2332, 2000.
19. Gross, R. S., T. M. Eubanks, J. A. Steppe, A. P. Freedman, J. O. Dickey, and T. F. Runge, A Kalman-filter-based approach to combining independent Earth-orientation series, J. Geod., 72, 215-235, 1998.
20. Johnson, T. J., The role of the ocean in the planetary angular momentum budget, Ph.D. dissertation, 134 pp., Univ. of Tex. at Austin, Austin, 1998.
21. Johnson, T. J., C. R. Wilson, and B. F. Chao, Oceanic angular momentum variability estimated from the Parallel Ocean Climate Model, 1988-1998, J. Geophys. Res., 104, 25,183-25,195, 1999.
22. Kalney, E., et al., The NCEP/NCAR 40-year reanalysis project, Bull. Am. Meteorol. Soc., 77, 437-471, 1996.
23. Lemoine, F. G., et al., The development of the joint NASA GSFC and the National Imagery and Mapping Agency (NIMA) Geopotential Model EGM96, NASA Tech. Publ., TP-1998-206861, 1998.
24. Madden, R. A., H. Lejenaes, and J. Hack, Semidiurnal variations in the budget of angular momentum in a general circulation model and in the real atmosphere, J. Atmos. Sci., 55, 2561-2575, 1998.
25. Marcus, S. L., Y. Chao, L. O. Dickey, and P. Gegout, Detection and modeling of nontidal oceanic effects on Earth's rotation rate, Science, 281, 1656-1659, 1998.
26. Munk, W. H., and G. J. F. MacDonald, The Rotation of the Earth, Cambridge Univ. Press, New York, 1960.
27. Newton, C. W., Mountain torques in the global angular momentum balance, J. Atmos. Sci., 28, 623-628, 1971a.
28. Newton, C. W., Global angular momentum balance: Earth torques and atmospheric fluxes, J. Atmos. Sci., 28, 1329-1341, 1971b.
29. Oort, A. H., and H. D. Bowman II, A study of the mountain torque and its interannual variations in the Northern Hemisphere, J. Atmos. Sci, 31, 1974-1982, 1974.
30. Peixoto, J. P., and A. H. Oort, Physics of Climate, 520 pp., Am. Inst. of Phys., College Park, Md., 1992.
31. Ponte, R. M., Oceanic excitation of daily to seasonal signals in Earth rotation: Results from a constant-density numerical model, Geophys. J. Int., 130, 469-474, 1997.
32. Ponte, R. M., and R. D. Rosen, Determining torques over the ocean and their role in the planetary momentum budget, J. Geophys. Res., 98, 7317-7325, 1993.
33. Ponte, R. M., and R. D. Rosen, Oceanic angular momentum and torques in a general circulation model, J. Phys. Oceanogr., 24, 1966-1977, 1994.
34. Ponte, R. M., D. Stammer, and J. Marshall, Oceanic signals in observed motions of the Earth's pole of rotation, Nature, 391, 476-479, 1998.
35. Salstein, D. A., D. M. Kann, A. J. Miller, and R. D. Rosen, The sub-bureau for atmospheric angular Momentum of the International Earth Rotation Service: A meteorological data center with geodetic applications, Bull. Am. Meteorol. Soc., 74, 67-80, 1993.
36. Schubert, S. D., R. B. Rood, and J. Pfaendtner, An assimilated dataset for Earth science applications, Bull. Am. Meteorol. Soc., 74, 2331-2342, 1993.
37. Segschneider, J., and J. Sündermann, Response of a global ocean circulation model to real-time forcing and implications to Earth's rotation, J. Phys. Oceanogr., 27, 2370-2380, 1997.
38. Seminer, A. J., and R. M. Chervin, Ocean general circulation from a global eddy-resolving model, J. Geophys. Res., 97, 5493-5550, 1992.
39. Stammer, D., R. Tokmakian, A. Semtner, and C. Wunsch, How well does a 1/4° global circulation model simulate large-scale ocean observations?, J. Geophys. Res., 101, 25779-25811, 1996.
40. Thomson, D. J., Spectrum estimation and harmonic analysis, IEEE Proc., 70, 1055-1096, 1982.
41. Wahr, J. M., The effects of the atmosphere and oceans on the Earth's wobble, I, Theory, Geophys. J. R. Astron. Soc., 70, 349-372, 1982.
42. White, R. M., The role of the mountains in the angular momentum balance of the atmosphere, J. Meteorol., 6, 353-355, 1949.
43. Wilson, C. R., Discrete polar motion equations. Geophys. J.R. Astron. Soc., 80, 551-554, 1985.