Sapping
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Sapping is a type of erosion where the ground seems to have collapsed into wide valleys. Steep-sided U-shaped valleys of fairly uniform width with box-like, "theater-shaped" headwalls are characteristic of sapping. [1] Sapping is caused by water in the ground moving laterally until it eventually seeps out and creates its ampitheater-like shape. Cite error: Invalid <ref> tag;
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Many channels have been seen on Mars that look like ones created by groundwater sapping here on Earth.[2]
See also
References
- ↑ Kocher, R. and J. Piper. 1986. Morphology of Large Valleys on Hawaii: Evidence for Groundwater Sapping and Comparisons with Martian Valleys. Journal of Geophysical Research. volume = 91. Issue = B13|pages = 175–192.
- ↑ Gulick, V. 2001. Origin of the Valley Networks on Mars: a Hydrological Perspective. Geomorphology. volume = 37. issue = 3–4. pages = 241–268
