Shell thickness variations and the long-wavelength topography of Titan

Icarus

Volumn 208, Issue 2, 2010, Pages 896-904

  Nimmo, F ^a   Bills, B G ^b  

^a UNIVERSITY OF CALIFORNIA   (United States)

^b CALIFORNIA INSTITUTE OF TECHNOLOGY   (United States)

Author keywords

Geophysics; Tides, Solid body; Titan

Indexed keywords

EID: 77954621813     PISSN: 00191035     EISSN: 10902643     Source Type: Journal    
DOI: 10.1016/j.icarus.2010.02.020     Document Type: Article

References (50)

1. Anderson J.D., Lau E.L., Sjogren W.L., Schubert G., Moore W.B. Gravitational constraints on the internal structure of Ganymede. Nature 1996, 384:541-543.
2. Anderson J.D., Jacobson R.A., McElrath T.P., Moore W.B., Schubert G., Thomas P.C. Shape, mean radius, gravity field and interior structure of Callisto. Icarus 2001, 153:157-161.
3. Barr A.C., McKinnon W.B. Convection in Enceladus' ice shell: Conditions for initiation. Geophys. Res. Lett. 2007, 34:L09202.
4. Bills, B.G., Nimmo, F., 2004. How does Titan retain a finite orbital eccentricity? Lunar Planet. Sci. XXXV, 1341 (abstracts).
5. Bills B.G., Nimmo F. Forced obliquity and moments of inertia of Titan. Icarus 2008, 196:293-297.
6. Blakely R.J. Potential Theory in Gravity and Magnetic Applications 1996, Cambridge Univ. Press, 441pp.
7. Fortes A.D. Exobiological implications of a possible ammonia-water ocean inside Titan. Icarus 2000, 146:444-452.
8. Gavrilov S.V., Zharkov V.N. Love numbers of the giant planets. Icarus 1977, 32:443-449.
9. Goldsby D.L., Kohlstedt D.L. Superplastic deformation of ice: Experimental observations. J. Geophys. Res. 2001, 106:11017-11030.
10. Grasset O., Sotin C. The cooling rate of a liquid shell in Titan's interior. Icarus 1996, 123:101-112.
11. Grasset O., Sotin C., Deschamps F. On the internal structure and dynamics of Titan. Planet. Space Sci. 2000, 48:617-636.
12. Greenberg R., Weidenschilling S.J. How fast do Galilean satellites spin. Icarus 1984, 58:186-196.
13. Grindrod P.M., Fortes A.D., Nimmo F., Feltham D.L., Brodholt J.P., Vocadlo L. The long-term stability of a possible aqueous ammonium sulfate ocean inside Titan. Icarus 2008, 197:137-151.
14. Hayes, A., and 13 colleagues, 2009. Hydrocarbon lakes on Titan: Distribution and interaction with a porous regolith. Geophys. Res. Lett. 35, L09204.
15. Hussmann H., Spohn T. Thermal-orbital evolution of Io and Europa. Icarus 2004, 171:391-410.
16. Iess L., Rappaport N.J., Jacobson R., Racioppa P., Stevenson D.J., Armstrong J.W., Asmar S.W., Tortora P. Gravity field, shape and moment of inertia of Titan. Science 2010, 327:1367-1369.
17. Jacobson R.A. The orbits of the major saturnian satellites and the gravity field of Saturn from spacecraft and Earth-based observations. Astron. J. 2004, 128:492-501.
18. Kargel J.S. Physical chemistry of ices in the outer Solar System. Solar System Ices 1998, 3-32. Kluwer. B. Schmitt, C. de Bergh, M. Festou (Eds.).
19. Kaula W.M. An Introduction to Planetary Physics 1968, Wiley, pp. 66-68.
20. Kley W., Crida A. Migration of protoplanets in radiative discs. Astron. Astrophys. 2008, 487:L9-L12.
21. McCord, T.B., and 16 colleagues, 2006. Composition of Titan's surface from Cassini VIMS. Planet. Space Sci. 54, 1524-1539.
22. McKenzie D. The relationship between topography and gravity on Earth and Venus. Icarus 1994, 112:55-88.
23. Melosh H.J., Ekholm A.G., Showman A.P., Lorenz R.D. The temperature of Europa's subsurface ocean. Icarus 2004, 168:498-502.
24. Mitri G., Showman A.P. Thermal convection in ice-I shells of Titan and Enceladus. Icarus 2008, 193:387-396.
25. Moore W.B., Schubert G. The tidal response of Europa. Icarus 2000, 147:317-319.
26. Murray C.D., Dermott S.F. Solar System Dynamics 1999, Cambridge Univ. Press, pp. 178-179.
27. Nimmo F. Non-Newtonian topographic relaxation on Europa. Icarus 2004, 168:205-208.
28. Nimmo F. Stresses generated in cooling viscoelastic ice shells: Application to Europa. J. Geophys. Res. 2004, E12001.
29. Nimmo F., Pappalardo R.T. Diapir-induced reorientation of Saturn's moon Enceladus. Nature 2006, 441:614-616.
30. Nimmo, F., Pappalardo, R.T., Moore, W.B., 2005. Icy satellite shell thickening: Consequences for non-synchronous rotation rates and stresses. EOS Trans. AGU 86 (52). Fall Abstract P22A-05.
31. Nimmo F., Thomas P.C., Pappalardo R.T., Moore W.B. The global shape of Europa: Constraints on lateral shell thickness variations. Icarus 2007, 191:183-192.
32. Ojakangas G.W., Stevenson D.J. Thermal state of an ice shell on Europa. Icarus 1989, 81:220-241.
33. Peale S.J., Cassen P., Reynolds R.T. Tidal dissipation, orbital evolution and the nature of Saturn's inner satellites. Icarus 1980, 43:65-72.
34. Postberg F., Kempf S., Schmidt J., Brilliantov N., Beinsen A., Abel B., Buck U., Srama R. Sodium salts in E-ring ice grains from an ocean below the surface of Enceladus. Nature 2009, 459:1098-1101.
35. Roberts J.H., Nimmo F. Tidal heating and the long-term stability of a subsurface ocean on Enceladus. Icarus 2008, 194:675-689.
36. Roberts J.H., Nimmo F. Near-surface heating on Enceladus and the south polar thermal anomaly. Geophys. Res. Lett. 2008, 35:L09201.
37. Segatz M., Spohn T., Ross M.N., Schubert G. Tidal dissipation, surface heat flow and figure of viscoelastic models of Io. Icarus 1988, 75:187-206.
38. Sohl F., Hussmann H., Schwentker B., Spohn T., Lorenz R.D. Interior structure models and tidal Love numbers of Titan. J. Geophys. Res. 2003, 108:5130.
39. Solomatov V.S. Scaling of temperature- and stress-dependent viscosity convection. Phys. Fluids 1995, 7:266-274.
40. Solomatov V.S., Barr A.C. Onset of convection in fluids with strongly temperature-dependent, power-law viscosity. 2. Dependence on the initial conditions. Phys. Earth Planet. Inter. 2007, 165:1-13.
41. Stevenson, D.J., 2000. Limits on the variation of thickness of Europa's ice shell. Lunar Planet. Sci. 31. Abstract 1506.
42. Stiles, B.W., and 18 colleagues, 2009. Determining Titan surface topography from Cassini SAR data. Icarus 202, 584-598.
43. Stiles, B.W., and 13 colleagues, 2010. Determining Titan's spin state from Cassini radar images (vol. 135, p. 1669, 2008). Astron. J. 139, 311.
44. Tobie G., Grasset O., Lunine J.I., Mocquet A., Sotin C. Titan's internal structure inferred from a coupled thermal-orbital model. Icarus 2005, 175:496-502.
45. Tobie G., Mocquet A., Sotin C. Tidal dissipation within large icy satellites: Applications to Europa and Titan. Icarus 2005, 177:534-549.
46. Tobie G., Lunine J.I., Sotin C. Episodic outgassing as the origin of atmospheric methane on Titan. Nature 2006, 440:61-64.
47. Tokano T. Meteorological assessment of the surface temperature on Titan: Constraints on the surface type. Icarus 2005, 173:222-242.
48. Tsui K.H. Satellite capture by scattering of an existing massive planetary satellite. Planet. Space Sci. 1999, 47:917-920.
49. Zebker H.A., Stiles B., Hensley S., Lorenz R., Kirk R.L., Lunine J. Size and shape of Saturn's moon Titan. Science 2009, 324:921-923.
50. Zharkov V.N., Leontjev V.V., Kozenko A.V. Models, figures and gravitational moments of the Galilean satellites of Jupiter and icy satellites of Saturn. Icarus 1985, 61:92-100.