The phase difference between length of day and atmospheric angular momentum at subannual frequencies and the possible role of core-mantle coupling

Geophysical Research Letters

Volumn 24, Issue 14, 1997, Pages 1799-1802

  Zatman, Stephen ^a   Bloxham, Jeremy ^a  

^a HARVARD UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

DATA PROCESSING; EARTH ATMOSPHERE; FOURIER TRANSFORMS; FREQUENCIES; MATHEMATICAL MODELS; OCEANOGRAPHY; SPECTRUM ANALYSIS; TIME SERIES ANALYSIS; TRANSFER FUNCTIONS; ANGULAR MOMENTUM; BUDGET CONTROL; MOMENTUM; RANGE FINDING;

ATMOSPHERIC ANGULAR MOMENTUM; CORE MANTLE COUPLING; HANNING WINDOW; LENGTH OF DAY; OCEANS; PHASE DIFFERENCE;

GEOPHYSICS; TRANSFER FUNCTIONS;

ANGULAR MOMENTUM; CORE/MANTLE COUPLING; DAY LENGTH; PHASE DIFFERENCE; PLANETARY ROTATION;

ANGULAR MOMENTUM BUDGET; DYNAMICAL COUPLING; FREQUENCY DEPENDENCE; PHASE DIFFERENCE; REALISTIC MODEL; ROTATING SOLIDS; SIMPLE MODELING; THREE-LAYER MODELS;

EID: 0031180227     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/97GL01755     Document Type: Article

References (13)

1. Bloomfield, P., Fourier Analysis of Time Series: An Introduction, 258 pp., John Wiley, New York, 1976.
2. Braginsky, S. I., Short-period geomagnetic secular variation, Geophys. Astrophys. Fluid Dyn., 30, 1-78, 1984.
3. Chao, B. F., Transfer function for length-of-day variations: inference for Earth dynamics (abstract), Eos Trans. AGU, 75, Spring Meet. Suppl., S111, 1994.
4. Dickman, S. R., Dynamic ocean-tide effects on Earth's rotation, Geophys. J. Int., 112, 448-470, 1993.
5. Dickman, S. R. and Y. S. Nam,Revised predictions of long-period ocean tidal effects on Earth's rotation rate, J. Geophys. Res., 100, 8233-8243, 1995.
6. Eubanks, T. M., J. A. Steppe, J. O. Dickey and P. S. Callahan, A spectral analysis of the Earth's angular momentum budget, J. Geophys. Res., 90, 5385-5404, 1985.
7. Jackson, A., J. Bloxham and D. Gubbins, Time-dependent flow at the core surface and conservation of angular momentum in the coupled core-mantle system, in Dynamics of Earth's Deep Interior and Earth Rotation, edited by J.-L. LeMouël, D. E. Smylie and T. Herring, pp. 97-107, Geophysical Monograph 72 IUGG Volume 12, 1993.
8. Jault, D., C. Gire and J.-L. LeMouël, Westward drift, core motions and exchanges of angular momentum between core and mantle, Nature 333, 353-356, 1988.
9. Ponte R. M. and D. S. Gutzler, The Madden-Julian Oscillation and the angular momentum balance in a barotropic ocean model, J. Geophys. Res., 96, 835-842, 1991.
10. Ponte, R. M., Barotropic motions and the exchange of angular momentum between the oceans and the solid Earth, J. Geophys. Res., 95, 11369-11374, 1990.
11. Rosen, R. D., D. A. Salstein and T. M. Wood, Discrepancies in the Earth-Atmosphere Angular Momentum Budget, J. Geophys. Res., 95, 265-279, 1990.
12. Rosen, R. D., The Axial Momentum Balance of Earth and its Fluid Envelope, Surveys in Geophysics, 14, 1-29,1993.
13. Yoder, C. F., J. G. Williams and M. E. Parker, Tidal variations of Earth rotation, J. Geophys. Res., 86, 881-891, 1981.