Mountain torque and its influence on the atmospheric angular momentum on Titan

Icarus

Volumn 220, Issue 2, 2012, Pages 863-876

  Tokano, Tetsuya ^a  

^a UNIVERSITY OF COLOGNE   (Germany)

Author keywords

Meteorology; Titan, atmosphere; Titan, surface

Indexed keywords

EID: 84865071856     PISSN: 00191035     EISSN: 10902643     Source Type: Journal    
DOI: 10.1016/j.icarus.2012.06.027     Document Type: Article

References (56)

1. Achterberg R.K., Gierasch P.J., Conrath B.J., Flasar F.M., Nixon C.A. Temporal variations of Titans middle-atmospheric temperatures from 2004 to 2009 observed by Cassini/CIRS. Icarus 2011, 211:686-698.
2. Arya S.P. Introduction to Micrometeorology 2001, Academic Press, San Diego.
3. Barth E.L. Cloud formation along mountain ridges on Titan. Planet. Space Sci. 2010, 58:1740-1747.
4. Bird M.K., et al. The vertical profile of winds on Titan. Nature 2005, 548:800-802.
5. Del Genio A.D., Zhou W. Simulations of superrotation on slowly rotating planets: sensitivity to rotation and initial condition. Icarus 1996, 120:332-343.
6. Del Genio A.D., Zhou W., Eichler T.P. Equatorial superrotation in a slowly rotating GCM: Implications for Titan and Venus. Icarus 1993, 101:1-17.
7. Egger J., Weickmann K., Hoinka K.-P. Angular momentum in the global atmospheric circulation. Rev. Geophys. 2007, 45:RG4007.
8. Friedson A.J. Gravity waves in Titans atmosphere. Icarus 1994, 109:40-57.
9. Friedson A.J., West R.A., Wilson E.H., Oyafuso F., Orton G.S. A global climate model of Titans atmosphere and surface. Planet. Space Sci. 2009, 57:1931-1949.
10. Fulchignoni M., et al. In situ measurements of the physical characteristics of Titans environment. Nature 2005, 438:785-791.
11. Hayes A.G., et al. Transient surface liquids in Titans polar regions from Cassini. Icarus 2011, 211:655-671.
12. Herrnstein A., Dowling T.E. Effects of topography on the spin-up of a Venus atmospheric model. J. Geophys. Res. 2007, 112:E04S08.
13. Hourdin F., Talagrand O., Sadourny R., Courtin R., Gautier D., McKay C.P. Numerical simulation of the general circulation of the atmosphere of Titan. Icarus 1995, 117:358-374.
14. Huang H.-P., Sardeshmukh P., Weickmann K. The balance of global angular momentum in a long-term atmospheric data set. J. Geophys. Res. 1999, 104:2031-2040.
15. Iess L., et al. Gravity field, shape, and moment of inertia of Titan. Science 2010, 327:1367-1369.
16. Karatekin ö., Van Hoolst T., Tokano T. Effect of internal gravitational coupling on Titans non-synchronous rotation. Geophys. Res. Lett. 2008, 35:L16202.
17. Karkoschka E., et al. DISR imaging and the geometry of the descent of Huygens. Planet. Space Sci. 2007, 55:1896-1935.
18. Lebonnois S., Hourdin F., Eymet V., Crespin A., Fournier R., Forget F. Superrotation of Venus atmosphere analyzed with a full general circulation model. J. Geophys. Res. 2010, 115:E06006.
19. Lebonnois S., Burgalat J., Rannou P., Charnay B. Titan global climate model: A new 3-dimensional version of the IPSL Titan GCM. Icarus 2012, 218:707-722.
20. Le Gall A., et al. Cassini SAR, radiometry, scatterometry and altimeter observations of Titans dune fields. Icarus 2011, 213:608-624.
21. Lorenz R.D., et al. The sand seas of Titan: Cassini RADAR observations of longitudinal dunes. Science 2006, 312:724-727.
22. Lorenz R.D., et al. Titans inventory of organic surface materials. Geophys. Res. Lett. 2008, 35:L02206.
23. Lorenz R.D., et al. Titans rotation reveals an internal ocean and changing zonal winds. Science 2008, 319:1649-1651.
24. Lorenz R.D., Radebaugh J. Global pattern of Titans dunes: radar survey from the Cassini prime mission. Geophys. Res. Lett. 2009, 36:L03202.
25. Lorenz R.D., Turtle E.P., Stiles B., Le Gall A., Hayes A., Aharonson O., Wood C.A., Stofan E., Kirk R. Hypsometry of Titan. Icarus 2011, 211:699-708.
26. Madden R.A., Speth P. Estimates of atmospheric angular momentum, friction and mountain torques during 1987-1988. J. Atmos. Sci. 1995, 52:3681-3694.
27. McKay C.P., Pollack J.B., Courtin R. The thermal structure of Titans atmosphere. Icarus 1989, 80:23-53.
28. Mitri G., Bland M.T., Showman A.P., Radebaugh J., Stiles B., Lopes R.M.C., Lunine J.I., Pappalardo R.T. Mountains on Titan: Modeling and observations. J. Geophys. Res. 2010, 115:E10002.
29. Newman C.E., Lee C., Lian Y., Richardson M.I., Toigo A.D. Stratospheric superrotation in the TitanWRF model. Icarus 2011, 213:636-654.
30. Newton C.W. Mountain torques in the global angular momentum balance. J. Atmos. Sci. 1971, 28:623-628.
31. Niemann H.B., et al. The abundances of constituents of Titans atmosphere from the GCMS instrument on the Huygens probe. Natue 2005, 438:779-784.
32. Nimmo F., Bills B.G. Shell thickness variations and the long-wavelength topography of Titan. Icarus 2010, 208:896-904.
33. Oort A.H., Peixoto J.P. Global angular momentum and energy balance requirements from observations. Adv. Geophys. 1983, 25:355-490.
34. Peixoto J.P., Oort A.H. Physics of Climate 1992, American Institute of Physics, New York.
35. Radebaugh J., et al. Regional geomorphology and history of Titans Xanadu province. Icarus 2011, 211:672-685.
36. Radebaugh J., Lorenz R.D., Kirk R.L., Lunine J., Stofan E., Lopes R., Wall S., The Cassini Radar Team Mountains on Titan observed by the Cassini RADAR. Icarus 2007, 192:77-91.
37. Richardson M.I., Toigo A.D., Newman C.E. PlanetWRF: A general purpose, local to global numerical model for planetary atmospheric and climate dynamics. J. Geophys. Res. 2007, 112:E090001.
38. Simmonds I. Analysis of the spinup of a GCM. J. Geophys. Res. 1985, 90(D3):5637-5660.
39. Soderblom L.A., et al. Topography and geomorphology of the Huygens landing site on Titan. Planet. Space Sci. 2007, 55:2015-2024.
40. Takacs, L.L., Suarez, M.J., 1996. Dynamical aspects of climate simulations using the GEOS general circulation model. NASA Tech. Memorandum 104606, vol. 10, Goddard Space Flight Center, Greenbelt.
41. Tokano T. Meteorological assessment of the surface temperatures on Titan: Constraints on the surface type. Icarus 2005, 173:222-242.
42. Tokano T. Near-surface winds at the Huygens site on Titan: Interpretation by means of a general circulation model. Planet. Space Sci. 2007, 55:1990-2009.
43. Tokano T. Dune-forming winds on Titan and the influence of topography. Icarus 2008, 194:243-262.
44. Tokano T. Relevance of fast westerlies at equinox for the eastward elongation of Titans dunes. Aeolian Res. 2010, 2:113-127.
45. Tokano T., Neubauer F.M. Tidal winds on Titan caused by Saturn. Icarus 2002, 158:499-515.
46. Tokano T., Neubauer F.M. Wind-induced seasonal angular momentum exchange at Titans surface and its influence on Titans length-of-day. Geophys. Res. Lett. 2005, 32:L24203.
47. Tokano T., Neubauer F.M., Laube M., McKay C.P. Seasonal variation of Titans atmospheric structure simulated by a general circulation model. Planet. Space Sci. 1999, 46:493-520.
48. Tokano T., Ferri F., Colombatti G., Mäkinen T., Fulchignoni M. Titans planetary boundary layer structure at the Huygens landing site. J. Geophys. Res. 2006, 111:E08007.
49. Tokano T., Van Hoolst T., Karatekin ö. Polar motion of Titan forced by the atmosphere. J. Geophys. Res. 2011, 116:E050002.
50. Van Hoolst T., Rambaux N., Karatekin ö., Baland R.-M. The effect of gravitational and pressure torques on Titans length-of-day variations. Icarus 2009, 2009:256-264.
51. Wald C. In dune map, Titans winds seem to blow backward. Science 2009, 323:1418.
52. Wei M.-Y., Schaack T.K. Seasonal distributions of mountain torques during FGGE.J. Atmos. Sci. 1984, 41:3032-3039.
53. West R.A., Brown M.E., Salinas S.V., Bouchez A.H., Roe H.G. No oceans on Titan from the absence of a near-infrared specular reflection. Nature 2005, 436:670-672.
54. Yamamoto M., Takahashi M. Influences on Venus topography on fully developed superrotation and near-surface flow. Earth Planets Space 2009, 61:e45-e48.
55. Zebker H.A., et al. Size and shape of Saturns moon Titan. Science 2009, 324:921-924.
56. Zhu X., Strobel D.F., Flasar F.M. Exchange of global mean angular momentum between an atmosphere and its underlying planet. Planet. Space Sci. 2008, 56:1524-1531.