A gravity survey of Type 2 coronae on Venus

Journal of Geophysical Research: Planets

Volumn 108, Issue 8, 2003, Pages

  Smrekar, Suzanne E ^a   Comstock, Robert ^b   Anderson, F Scott ^a,c  

^a CALIFORNIA INSTITUTE OF TECHNOLOGY   (United States)

^b UNIVERSITY OF CALIFORNIA   (United States)

^c UNIVERSITY OF HAWAII   (United States)

Author keywords

Admittance; Corona; Crust; Gravity; Isostasy; Lithosphere

Indexed keywords

GRAVITY SURVEY; ISOSTASY; LITHOSPHERE; PLANETARY SURFACE; TECTONOPHYSICS; VENUS;

EID: 0346895067     PISSN: 01480227     EISSN: None     Source Type: Journal    
DOI: 10.1029/2002je001935     Document Type: Article

References (44)

1. Anderson, F. S., and S. E. Smrekar, Global admittance estimates of elastic and crustal thickness of Venus: Preliminary results from top and bottom loading models, Lunar Planet. Sci., XXXII [CD-ROM], Abstract 2182, 2001.
2. Banks, R. J., R. L. Parker, and S. P. Huestis, Isostatic compensation on a continental scale: Local versus regional mechanisms, Geophys. J. R. Astron. Soc., 51, 431-452, 1977.
3. Barnett , D. N., F. Nimmo, and D. McKenzie, Flexure of Venusian lithosphere measured from residual topography and gravity, Icarus, 146, 404-419, 2000.
4. Brown, C. D., and R. E. Grimm, Lithospheric rheology and flexure at Artemis Chasma, Venus, J. Geophys. Res., 101, 12,697-12,708, 1996.
5. Cyr, K. E., and H. J. Melosh, Tectonic patterns and regional stresses near Venusian coronae, Icarus, 102, 175-184, 1993.
6. DeLaughter, J. E., and D. M. Jurdy, Corona classification by evolutionary stage, Icarus, 139, 81-92, 1999.
7. Dorman, L. M., and B. T. R. Lewis, Experimental isostasy: 1. Theory of the determination of the Earth's isostatic response to a concentrated load, J. Geophys. Res., 75, 3357-3365, 1970.
8. Environment for Visualizing Imgaes (ENVI), User's Guide, version 3.2, Research Systems, Boulder, Colo., 1999.
9. Forsyth, D. W., Subsurface loading and estimates of the flexural rigidity of the continental lithosphere, J. Geophys. Res., 90, 12,623-12,632, 1985.
10. Glaze, L. S., E. R. Stofan, S. E. Smrekar, and S. M. Bologa, Insights into corona formation through statistical analyses, J. Geophys. Res., 107(E12), 5135, doi: 10.1029/2002JE001904, 2002.
11. Grimm, R. E., and P. C. Hess, The crust of Venus, in Venus II, edited by S. W. Bougher, D. M. Hunten, and R. J. Phillips, pp. 1205-1244, Univ. of Ariz. Press, Tucson, 1997.
12. Herrick, R. R., and P. J. McGovern, Kunhild and Ereshkigal, an extinct hotspot region on Venus, Geophys. Res. Lett., 27, 839-842, 2000.
13. Hoogenboom, T., S. E. Smrekar, F. S. Anderson, and G. Houseman, Admittance survey of Type 1 coronae on Venus: Implications for elastic thickness, Lunar Planet. Sci., XXXIV [CD-ROM], Abstract 1372, 2003.
14. Johnson, C. L., and D. T. Sandwell, Lithospheric flexure on Venus. Geophys. J. Int., 119, 627, 1994.
15. Koch, D. M., and M. Manga, Neutrally buoyant diapirs: A model for Venus coronae, Geophys. Res. Lett., 23, 225-228, 1996.
16. Konopliv, A. S., W. S. Banerdt, and W. L. Sjogren, Venus gravity: 180th degree and order model, Icarus, 139, 3-18, 1999.
17. Lowery, A. R., and R. B. Smith, Strength and rheology of the western U. S. Cordillera, J. Geophys. Res., 100, 17,947-17,963, 1995.
18. McGovern, P. J., and S. C. Solomon, Growth of large volcanoes on Venus: Mechanical models and implications for structural evolution, J. Geophys. Res., 103, 11,071-11,101, 1998.
19. McKenzie, D., and D. Fairhead, Estimates of the effective elastic thickness of the continental lithosphere from Bouguer and free air gravity anomalies, J. Geophys. Res., 102, 27,523-27,552, 1997.
20. McKenzie, D., and F. Nimmo, Elastic thickness estimates for Venus from line of sight accelerations, Icarus, 130, 198-216, 1997.
21. McNutt, M. K., Influence of plate subduction on isostatic compensation in northern California, Tectonics, 2, 399-415, 1983.
22. Moore, W., G. Schubert, and D. T. Sandwell, Flexural models of trench/outer rise topography of coronae on Venus with axisymmetric spherical shell thin elastic plates (abstract), in International Colloquium on Venus, LPI Contrib. 789, pp. 72-73, Lunar and Planet. Inst., Houston, Tex., 1992.
23. Petit, C., and C. Ebinger, Flexure and mechanical behavior of cratonic lithosphere: Gravity models of the East African and Baikal rifts. J. Geophys. Res., 105, 19,151-19,162, 2000.
24. Phillips, R. J., Estimating lithospheric properties at Atla Regio, Venus, Icarus, 112, 147-170, 1994.
25. Phillips, R. J., C. L. Johnson, S. J. Mackwell, P. Morgan, D. T. Sandwell, and M. T. Zuber, Lithospheric mechanics and dynamics of Venus, in Venus II, edited by S. W. Bougher, D. M. Hunten, and R. J. Phillips, pp. 1163-1204, Univ. of Ariz. Press, Tucson, 1997.
26. Press, W. H., B. P. Flannery, S. A. Teukolsky, and W. T. Vetterling, Numerical Recipes: The Art of Scientific Computing, 702 pp., Cambridge Univ. Press, New York, 1989.
27. Rappaport, N. J., A. S. Konopliv, A. B. Kucinskas, and P. G. Ford, An improved 360 degree and order model of Venus topography, Icarus, 139, 19-30, 1999.
28. Sandwell, D. T., and G. Schubert, Flexural ridges, trenches, and outer rises around Venus coronae, J. Geophys. Res., 97, 16,069-16,083, 1992.
29. Sheehan, A. F., and M. K. McNutt, Constraints on thermal and mechanical structure of the oceanic lithosphere at the Burmuda Rise from geoid height and depth anomalies, Earth Planet. Sci. Lett., 93,377-391, 1989.
30. Simons, F. J., M. T. Zuber, and J. Korenaga, Isostatic response of the Australian lithosphere: Estimation of effective elastic thickness and anisotropy using multitaper spectral analysis, J. Geophys. Res., 105, 19,163-19,184, 2000.
31. Simons, M., S. C. Solomon, and B. H. Hager, Localization of gravity and topography constraints on the tectonics and mantle dynamics of Venus, Geophys. J. Int., 131, 24-44, 1997.
32. Smrekar, S. E., Evidence for active hotspots on Venus from analysis of Magellan gravity data, Icarus, 112, 2-26, 1994.
33. Smrekar, S., and R. J. Phillips, Venusian highlands: Geoid to topography ratios and their implications, Earth Planet. Sci. Lett., 107, 582-597, 1991.
34. Smrekar, S. E., and E. R. Stofan, Corona formation and heat loss on Venus by coupled upwelling and delamination, Science, 277, 1289-1294, 1997.
35. Smrekar, S. E., and E. R. Stofan, Origin of corona-dominated topographic rises on Venus, Icarus, 139, 100-116, 1999.
36. Smrekar, S. E., and E. R. Stofan, Effects of lithospheric properties on the formation of Type 2 coronae on Venus, J. Geophys. Res., 108, doi 10.1029/2002JE001930, in press, 2003.
37. Smrekar, S. E., and J. Yu, Admittance spectra and elastic thickness estimates for Venusian coronae, Lunar Planet. Sci., 27, 1229-1230, 1996.
38. Smrekar, S. E., E. R. Stofan, and W. S. Kiefer, Large volcanic rises on Venus, in Venus II, edited by S. W. Brougher, D. M. Hunten, and R. J. Phillips, pp. 845-878, Univ. of Ariz. Press, Tucson, 1997.
39. Squyres, S. W., D. M. Janes, G. Baer, D. L. Bindschadler, G. Schubert, V. L. Sharpton, and E. R. Stofan, The morphology and evolution of coronae on Venus. J. Geophys. Res., 97, 13,611-13,634, 1992.
40. Stofan, E. R., V. L. Sharpton, G. Schubert, G. D. Baer, D. L. Bindschadler, D. M. Janes, and S. W. Squyres, Global distribution and characteristics of coronae and related features on Venus: Implications for origin and relation to mantle processes. J. Geophys. Res., 97, 13,347-13,378, 1992.
41. Stofan, E. R., V. E. Hamilton, D. M. Janes, and S. E. Smrekar, Coronae on Venus, in Venus II, edited by S. W. Brougher, D. M. Hunten, and R. J. Phillips, pp. 931-965, Univ. Ariz. Press, Tucson, 1997.
42. Stofan, E. R., S. E. Smrekar, S. W. Tapper, J. E. Guest, and P. Grinrod, Preliminary analysis of an expanded corona database for Venus, Geophys., Res. Lett., 28, 4267-4270, 2001.
43. Tapper, S. W., A survey and investigation of 'stealth' coronae on Venus: Distribution, morphology, and stratigraphy, Lunar Planet. Sci. Conf., XXVIII [CD-ROM], Abstract 1415, 1997.
44. Tou, J. T., and R. C. Gonzalez, Pattern Recognition Principles, Addison-Wesley-Longman., Reading, Mass., 1974.