Viscosity near earth's solid inner core

Science

Volumn 284, Issue 5413, 1999, Pages 461-463

  Smylie, D E ^a  

^a YORK UNIVERSITY   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

GEODYNAMO; INNER CORE; VISCOSITY;

ARTICLE; GEOLOGY; GRAVIMETRY; MATHEMATICAL ANALYSIS; OSCILLATION; PRIORITY JOURNAL; THEORY; THERMODYNAMICS; VISCOSITY;

EID: 0033574734     PISSN: 00368075     EISSN: None     Source Type: Journal    
DOI: 10.1126/science.284.5413.461     Document Type: Article

References (30)

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13. 3.
14. The shell consists of the rocky mantle and crust surrounding the outer fluid core and extending from the core-mantle boundary of radius 3485 km to the surface.
15. D. E. Smylie and X. Jiang, J. Geomag. Geoelectr. 45, 1347 (1993). The inner core's motion is close to that of a rigid body. The frequency dependence of the Shell Love numbers, although Included, has a minor effect on the translational periods.
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17. _, paper presented at the 6th Symposium of the Study of the Earth's Deep Interior, Tours, France, 5 to 10 July 1998. A full journal paper has been submitted for the Proceedings to be published in Phys. Earth Planet. Int. Equation 5 derives from asymptotic solution of three simultaneous equations representing conditions at the two boundaries of the outer core, and the conservation of linear momentum between the inner core, outer core, and shell.
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19. The values of g for the retrograde equatorial, axial, and prograde equatorial modes for the four Earth models I use are as follows: Cal8 (0.50871, 0.03577, 0.47041); 1066A (0.51372, 0.04212, 0.46877); PREM (0.51841, 0.04996, 0.46545); and CORE11 (0.52176, 0.05590, 0.46283).
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26. 6 m), and the effect of electromagnetic drag is negligible.
27. 13 Pa s.
28. 20 Pa s.
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