Tidally-induced melting events as the origin of south-pole activity on Enceladus

Icarus

Volumn 219, Issue 2, 2012, Pages 655-664

  Běhounková, Marie ^a   Tobie, Gabriel ^b,c   Choblet, Gaël ^b,c   Čadek, Ondřej ^a  

^a CHARLES UNIVERSITY   (Czech Republic)

^b UNIVERSITÉ DE NANTES   (France)

^c UNIVERSITÉ DE NANTES   (France)

Author keywords

Enceladus; Ices; Interiors; Thermal histories; Tides, Solid body

Indexed keywords

EID: 84860332823     PISSN: 00191035     EISSN: 10902643     Source Type: Journal    
DOI: 10.1016/j.icarus.2012.03.024     Document Type: Article

References (44)

1. Barr A.C., McKinnon W.B. Convection in Enceladus' ice shell: Conditions for initiation. Geophys. Res. Lett. 2007, 34:L09202.
2. Běhounková M., Tobie G., Choblet G., čadek O. Coupling mantle convection and tidal dissipation: Applications to Enceladus and Earth-like planets. J. Geophys. Res. 2010, 115(E14):E09011.
3. Běhounková M., Tobie G., Choblet G., čadek O. Tidally induced thermal runaways on extrasolar Earths: Impact on habitability. Astrophys. J. 2011, 728:89.
4. Budd W.F., Jacka T.H. A review of ice rheology for ice sheet modelling. Cold Reg. Sci. Technol. 1989, 16:107-144.
5. Choblet G. Modelling thermal convection with large viscosity gradients in one block of the cubed sphere. J. Comput. Phys. 2005, 205:269-291.
6. Choblet G., čadek O., Couturier F., Dumoulin C. ŒDIPUS: A new tool to study the dynamics of planetary interiors. Geophys. J. Int. 2007, 170:9-30.
7. Cole D.M., Durell G.D. The cyclic loading of saline ice. Philos. Mag. A 1995, 72:209-229.
8. Dash J.G., Fu H., Wettlaufer J.S. The premelting of ice and its environmental consequences. Rep. Prog. Phys. 1995, 58:115-167.
9. Durham W.B., Stern L.A., Kirby S.H. Rheology of ice I at low stress and elevated confining pressure. J. Geophys. Res. 2001, 106:11031-11042.
10. Durham W.B., Prieto-Ballesteros O., Goldsby D.L., Kargel J.S. Rheological and thermal properties of icy materials. Space Sci. Rev. 2010, 153:273-298.
11. Goldsby D.L., Kohlstedt D.L. Superplastic deformation of ice: Experimental observations. J. Geophys. Res. 2001, 106:11017-11030.
12. Han L., Tobie G., Showman A. The impact of weak south pole on thermal convection in Enceladus's ice shell. Icarus 2012, 218:320-330.
13. -1 Cassini/CIRS data. J. Geophys. Res. 2011, 116:E03003.
14. Iess, L. et al., 2011. The gravity field of Enceladus. In: EPSC-DPS Joint Meeting 2011, p. 1648.
15. Kargel J.S. Ammonia-water volcanism on icy satellites - Phase relations at 1 atmosphere. Icarus 1992, 100:556-574.
16. Lainey et al., 2012. Strong tidal dissipation in Saturn and constraints on Enceladus thermal state from astrometry. Astroph. J., in press.
17. Lee S., Pappalardo R.T., Makris N.C. Mechanics of tidally driven fractures in Europa's ice shell. Icarus 2005, 177:367-379.
18. McKinnon, W.B., 2011. The shape of Enceladus' core: Predictions for degree-2 nonhydrostatic gravity, and role in survival of the subsurface ocean. In: EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France, p. 1572.
19. Meyer J., Wisdom J. Tidal heating in Enceladus. Icarus 2007, 188:535-539.
20. Meyer J., Wisdom J. Episodic volcanism on Enceladus: Application of the Ojakangas Stevenson model. Icarus 2008, 198:178-180.
21. Mitri G., Showman A.P. A model for the temperature-dependence of tidal dissipation in convective plumes on icy satellites: Implications for Europa and Enceladus. Icarus 2008, 195:758-764.
22. Mitri G., Showman A.P. Thermal convection in ice-I shells of Titan and Enceladus. Icarus 2008, 193:387-396.
23. Montagnat M., Duval P. Rate controlling processes in the creep of polar ice, influence of grain boundary migration associated with recrystallization. Earth Planet. Sci. Lett. 2000, 183:179-186.
24. Nimmo F., Pappalardo R.T. Diapir-induced reorientation of Saturn's moon Enceladus. Nature 2006, 441:614-616.
25. Nimmo F., Spencer J.R., Pappalardo R.T., Mullen M.E. Shear heating as the origin of the plumes and heat flux on Enceladus. Nature 2007, 447:289-291.
26. Ojakangas G.W., Stevenson D.J. Episodic volcanism of tidally heated satellites with application to Io. Icarus 1986, 66:341-358.
27. O'Neill C., Nimmo F. The role of episodic overturn in generating the surface geology and heat flow on Enceladus. Nat. Geosci. 2010, 3:88-91.
28. Patthoff D.A., Kattenhorn S.A. A fracture history on Enceladus provides evidence for a global ocean. Geophys. Res. Lett. 2011, 38:L18201.
29. Porco C.C., et al. Cassini observes the active south pole of Enceladus. Science 2006, 311:1393-1401.
30. Postberg F., Schmidt J., Hillier J., Kempf S., Srama R. A salt-water reservoir as the source of a compositionally stratified plume on Enceladus. Nature 2011, 474:620-622.
31. Roberts J.H., Nimmo F. Tidal heating and the long-term stability of a subsurface ocean on Enceladus. Icarus 2008, 194:675-689.
32. Schenk P.M., McKinnon W.B. One-hundred-km-scale basins on Enceladus: Evidence for an active ice shell. Geophys. Res. Let. 2009, 36:L16202.
33. Schubert G., Anderson J.D., Travis B.J., Palguta J. Enceladus: Present internal structure and differentiation by early and long-term radiogenic heating. Icarus 2007, 188:345-355.
34. Schulson E.M. Brittle failure of ice. Eng. Fract. Mech. 2001, 68:1839-1887.
35. Sotin, C., Tobie, G., Wahr, J., McKinnon, W.B., 2009. Tides and tidal heating on Europa. In: Pappalardo, R.T., McKinnon, W.B., Khurana, K.K. (Eds.), Europa. University of Arizona Press, Tucson. The University of Arizona Space Science Series, p. 85. ISBN: 9780816528448.
36. Spencer J.R., et al. Cassini encounters Enceladus: Background and the discovery of a south polar hot spot. Science 2006, 311:1401-1405.
37. Spencer J.R., et al. Enceladus: An active cryovolcanic satellite. Saturn from Cassini-Huygens 2009, 683-724. Springer Science+Business Media B.V. M.K. Dougherty, L.W. Esposito, S.M. Krimigis (Eds.).
38. Stegman D.R., Freeman J., May D.A. Origin of ice diapirism, true polar wander, subsurface ocean, and tiger stripes of Enceladus driven by compositional convection. Icarus 2009, 202:669-680.
39. Tatibouet J., Perez J., Vassoille R. High-temperature internal friction and dislocations in ice Ih. J. Phys. 1986, 47:51-60.
40. Tobie G., čadek O., Sotin C. Solid tidal friction above a liquid water reservoir as the origin of the south pole hotspot on Enceladus. Icarus 2008, 196:642-652.
41. Tyler R. Ocean tides heat Enceladus. Geophys. Res. Lett. 2009, 36:L15205.
42. Weiss J., Schulson E.M. The failure of fresh-water granular ice under multi-axial compressive loading. Acta Metall. Mater. 1995, 43(6):2303-2315.
43. Zhang K., Nimmo F. Recent orbital evolution and the internal structures of Enceladus and Dione. Icarus 2009, 204:597-609.
44. Zolotov M.Y. An oceanic composition on early and today's Enceladus. Geophys. Res. Let. 2007, 34:L23203.