The dynamics associated with equatorial atmospheric angular momentum in an aquaplanet GCM

Journal of the Atmospheric Sciences

Volumn 60, Issue 15, 2003, Pages 1822-1834

  Feldstein, Steven B ^a  

^a PENNSYLVANIA STATE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

PRECIPITATION (METEOROLOGY); TORQUE; VECTORS; WAVE PROPAGATION;

ANGULAR MOMENTUM;

ATMOSPHERIC CHEMISTRY;

ANGULAR MOMENTUM; EQUATORIAL DYNAMICS; GENERAL CIRCULATION MODEL; ROSSBY WAVE; WAVE PROPAGATION;

EID: 0141573279     PISSN: 00224928     EISSN: None     Source Type: Journal    
DOI: 10.1175/1520-0469(2003)060<1822:TDAWEA>2.0.CO;2     Document Type: Article

References (27)

1. Barnes, R. T. H., R. Hide, A. A. White, and C. A. Wilson, 1983: Atmospheric angular momentum fluctuations, length-of-day changes, and polar motion. Proc. Roy. Soc. London, 387A, 31-73.
2. Bell, M. J., 1994: Oscillations in the equatorial components of the atmosphere's angular momentum and torques on the earth's bulge. Quart. J. Roy. Meteor. Soc., 120, 195-213.
3. Bell, M. J., R. Hide, and G. Sakellarides, 1991: Atmospheric angular momentum forecasts as novel tests of global numerical weather prediction models. Philos. Trans. Roy. Soc. London. 334, 55-92.
4. Brzezinski, A., 1987: Statistical investigations on atmospheric angular momentum functions and on their effects on polar motion. Manuscr, Geodaetica, 12, 268-281.
5. Celaya, M. A., J. M. Wahr, and F. O. Bryan, 1999: Climate-driven polar motion. J. Geophys. Res., 104, 12 813-12 829.
6. Chao, B. F., 1993: Excitation of earth's polar motion by atmospheric angular momentum variations, 1980-1990. Geophys. Res. Lett., 20, 253-256.
7. de Viron, O., C. Bizouard, D. Salstein, and V. Dehant, 1999: Atmospheric torque on the Earth and comparison with atmospheric angular momentum variations. J. Geophys. Res., 104, 4861-4875.
8. Egger, J., and K. P. Hoinka, 1999: The equatorial bulge, angular momentum and planetary wave motion. Tellus, 51A, 914-921.
9. Egger, J., and K. P. Hoinka, 2000: Mountain torques and the equatorial components of global angular momentum. J. Atmos. Sci., 57, 2319-2331.
10. Egger, J., and K. P. Hoinka, 2002: Equatorial components of global atmospheric angular momentum: Covariance functions. Quart. J. Roy. Meteor. Soc., 128, 1137-1157.
11. Eubanks, T. M., J. A. Steppe, J. O. Dickey, R. D. Rosen, and D. A. Salstein, 1988: Causes of rapid motions of the Earth's pole. Nature, 334, 115-119.
12. Gordon, C. T, and W. T. Stern. 1982: A description of the GFDL global spectral model. Mon. Wea. Rev., 110, 625-644.
13. Holton, J. R., 1992: An Introduction to Dynamic Meteorology. Academic Press, 511 pp.
14. Hoskins, B. J., and D. Karoly, 1981: The steady linear response of a spherical atmosphere to thermal and orographic forcing. J. Atmos. Sci., 38, 1179-1196.
15. Hoskins, B. J., M. E. McIntyre, and A. W. Robertson, 1985: On the use and significance of isentropic potential vorticity maps. Quart. J. Roy. Meteor, Soc., 111, 877-946.
16. Kasahara, A., 1976: Normal modes of ultralong waves in the atmosphere. Mon. Wea. Rev., 104, 669-690.
17. Kasahara, A., 1980: Effect of zonal flows on the free oscillations of a barotropic atmosphere. J. Atmos. Sci., 37, 917-929.
18. Kuehne, J., S. Johnson, and C. R. Wilson, 1993: Atmospheric excitation of nonseasonal polar motion. J. Geophys. Res., 98, 19 973-19 978.
19. Matsuno, T., 1966: Quasi-geostrophic motions in the equatorial area. J. Meteor. Soc. Japan, 44, 25-43.
20. Nastula, J., 1995: Short periodic variations of polar motion and hemispheric atmospheric angular momentum excitation functions in the period 1984-1992. Ann. Geophys., 13, 217-225.
21. Nastula, J., and R. M. Ponte, 1999: Further evidence for oceanic excitation of polar motion. Geophys. J. Int., 139, 123-130.
22. Nastula, J., and D. A. Salstein, 1999: Regional atmospheric angular momentum contributions to polar motion excitation. J. Geophys. Res., 104, 7347-7358.
23. Ponte, R. M., and D. Stammer, 1999: Role of ocean currents and bottom pressure variability on seasonal polar motion. J. Geophys. Res., 104, 23 393-23 409.
24. Ponte, R. M., D. Stammer, and J. Marshall, 1998: Oceanic signals in observed motions of the Earth's pole of rotation. Nature, 391, 476-479.
25. Salstein, D. A., and R. D. Rosen, 1989: Regional contributions to the atmospheric excitation of rapid polar motions. J. Geophys. Res., 94, 9971-9978.
26. Wheeler, M., and G. N. Kiladis, 1999: Convectively coupled equatorial waves: Analysis of clouds and temperature in the wavenumber-frequency domain. J. Atmos. Sci., 56, 374-399.
27. Wheeler, M., G. N. Kiladis, and P. J. Webster, 2000: Large-scale dynamical fields associated with convectively coupled equatorial waves. J. Atmos. Sci., 57, 613-640.