Mathematics – Logic
Scientific paper
Nov 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988jgr....9313755t&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 93, Nov. 10, 1988, p. 13755-13762.
Mathematics
Logic
23
Ganymede, Icy Satellites, Planetary Craters, Relaxation Time, Rheology, Ice, Satellite Observation, Satellite Surfaces
Scientific paper
A numerical finite element model of viscous relaxation of craters in ice is presented which incorporates rheological data for ice at temperatures and pressures appropriated to the near-surface regions of Ganymede. For temperature gradients in reasonable agreement with those obtained from thermal and structural models of Ganymede, relaxation times greater than 10 to the 7th years were obtained for craters with diameters less than 100 km. For all craters with diameters greater than 10 km, the dependence of viscosity on stress was found to significantly shorten the relaxation time. The rheological laws which dominate crater relaxation are discussed for craters of various sizes. The results are compared with imagery from Voyager.
Schubert Gerald
Thomas Paul J.
No associations
LandOfFree
Power law rheology of ice and the relaxation style and retention of craters on Ganymede does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Power law rheology of ice and the relaxation style and retention of craters on Ganymede, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Power law rheology of ice and the relaxation style and retention of craters on Ganymede will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1826931