| 释义 |
pedimentation Geomorphol.|pɛdɪmɛnˈteɪʃən|
[f. pediment1 + -ation.]
The formation of a pediment.
1948Bull. Geol. Soc. Amer. LIX. 372 Down the slope from the knickpoint pedimentation rapidly reaches stability. 1962L. C. King Morphol. Earth v. 146 Together, scarp retreat (by gully-head erosion and mass slipping of material) and pedimentation (by bedrock levelling and sheet-waste removal) are the most potent agents modifying epigene landscapes. 1973Nature 9 Nov. 75/2 Recession of valley nickpoints inland from the coastal margin was followed by valley widening, scarp retreat and pedimentation, leading ultimately to the formation of gently undulating pediplains or erosion surfaces. |