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Geomorphic Evidence for the Distribution of Ground Ice on Mars
Abstract
High-resolution Viking orbiter images show evidence for quasi-viscous relaxation of topography. The relaxation is believed to be due to creep deformation of ice in near-surface materials. The global distribution of the inferred ground ice shows a pronounced latitudinal dependence. The equatorial regions of Mars appear to be ice-poor, while the heavily cratered terrain poleward of ± 30° latitude appears to be ice-rich. The style of creep poleward of ± 30° varies with latitude, possibly due to variations in ice rheology with temperature. The distribution suggests that ice at low latitudes, which is not in equilibrium with the present atmosphere, has been lost via sublimation and diffusion through the regolith, thereby causing a net poleward transport of ice over martian history.
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Cited by
Mars Global Surveyor Mars Orbiter Camera: Interplanetary cruise through primary mission
Malin, M. C., & Edgett, K. S. (2001) · Journal of Geophysical Research: Planets · doi:10.1029/2000je001455 · Cited by 868
A model for the hydrologic and climatic behavior of water on Mars
Clifford, S. M. (1993) · Journal of Geophysical Research: Planets · doi:10.1029/93je00225 · Cited by 709
The timing of martian valley network activity: Constraints from buffered crater counting
Fassett, C. I., & Head, J. W. (2008) · Icarus · doi:10.1016/j.icarus.2007.12.009 · Cited by 475
Exploring for a record of ancient Martian life
Farmer, J. D., & Des Marais, D. J. (1999) · Journal of Geophysical Research: Planets · doi:10.1029/1998je000540 · Cited by 354
On the possibility of chemosynthetic ecosystems in subsurface habitats on Mars
Boston, P. J., Ivanov, M. V., & P. McKay, C. (1992) · Icarus · doi:10.1016/0019-1035(92)90045-9 · Cited by 325
Metadata
- Authors
- Squyres, S. W., & Carr, M. H.
- Venue
- Science
- Published
- 1986-01-17
- Volume
- 231
- Issue
- 4735
- Pages
- 249-252
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2056216751
- Cited by
- 333
- References
- 0
- FWCI
- 12.74
- Type
- journal article
- Language
- en
- Open access
- closed
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- Squyres, S. W., & Carr, M. H. (1986). Geomorphic Evidence for the Distribution of Ground Ice on Mars. Science. https://doi.org/10.1126/science.231.4735.249
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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