Definitions
Century Dictionary and Cyclopedia
- n. The act or process of aggrading, or the state of being aggraded; in geology, the act of aggrading, as in depositing detritus upon a valley floor, the slope of the depositing stream being maintained at an almost constant value.
Wiktionary
- n. geology accretion or deposition
Examples
“Comparative studies with other volcanoes show that such extraordinary sediment delivery commonly leads to drastic aggradation of riverbeds and valley floors; for example, see consequences of erosion of pyroclastic flow deposits at Mount Pinatubo, Philippines.”
“Such extraordinary aggradation typically buries or severely damages infrastructure, triggers channel instability, reduces the ability of channels to convey water, and leads to substantially increased flood hazards.”
“Glen Canyon dam to the north of the park has noticeably reduced the rate of water flow down the Colorado River course, and changed the seasonal pattern of sediment aggradation degradation.”
“This will lead to higher rates of nearshore deposition in localized areas, with attendant possible permafrost aggradation [80].”
“So, to counter the subsidence there is up-building -- called aggradation.”
“Magirl, who has examined aggradation rates and historical records for downstream river stretches, sees similar buildup in several locations.”
“Normally, this sediment would add to the height of the land, a process known as aggradation.”
“Deltas with "virtually no aggradation (supply of sediment) and/or very high accelerated compaction”
“Further, river Kosi and other rivers of Bihar are characterized by high sediment load, mainly wash load which causes rapid aggradation of the river bed.”
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