The process by which the level of a land surface is raised as a result of the deposition of detrital material by a river, current, or other agency.
| 单词 | θ5215 | 
| 释义 | the world > the earth > structure of the earth > formation of features > sedimentation > 			[noun]		 > aggradation (1)		 aggradation1893 The process by which the level of a land surface is raised as a result of the deposition of detrital material by a river, current, or other agency. | 
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