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- Aggradation abstract "Aggradation (or alluviation) is the term used in geology for the increase in land elevation, typically in a river system, due to the deposition of sediment. Aggradation occurs in areas in which the supply of sediment is greater than the amount of material that the system is able to transport. The mass balance between sediment being transported and sediment in the bed is described by the Exner equation.Typical aggradational environments include lowland alluvial rivers, river deltas, and alluvial fans. Aggradational environments are often undergoing slow subsidence which balances the increase in land surface elevation due to aggradation. After millions of years, an aggradational environment will become a sedimentary basin, which contains the deposited sediment, including paleochannels and ancient floodplains.Aggradation can be caused by changes in climate, land use, and geologic activity, such as volcanic eruption, earthquakes, and faulting. For example, volcanic eruptions may lead to rivers carrying more sediment than the flow can transport: this leads to the burial of the old channel and its floodplain. In another example, the quantity of sediment entering a river channel may increase when climate becomes drier. The increase in sediment is caused by a decrease in soil binding that results from plant growth being suppressed. The drier conditions cause river flow to decrease at the same time as sediment is being supplied in greater quantities, resulting in the river becoming choked with sediment.In 2009, a report by researchers from the University of Colorado at Boulder in the journal Nature Geoscience said that reduced aggradation was contributing to an increased risk of flooding in many river deltas.".
- Aggradation thumbnail Aggradation.png?width=300.
- Aggradation wikiPageExternalLink index.htm.
- Aggradation wikiPageExternalLink index.htm.
- Aggradation wikiPageExternalLink Display.cfm?Term=aggradation.
- Aggradation wikiPageExternalLink aggradation.html.
- Aggradation wikiPageID "4034788".
- Aggradation wikiPageLength "3286".
- Aggradation wikiPageOutDegree "28".
- Aggradation wikiPageRevisionID "684109957".
- Aggradation wikiPageWikiLink Alluvial_fan.
- Aggradation wikiPageWikiLink Alluvium.
- Aggradation wikiPageWikiLink Avulsion_(river).
- Aggradation wikiPageWikiLink Category:Deposition_(geology).
- Aggradation wikiPageWikiLink Category:Geomorphology.
- Aggradation wikiPageWikiLink Category:Sedimentology.
- Aggradation wikiPageWikiLink Climate.
- Aggradation wikiPageWikiLink David_Mohrig.
- Aggradation wikiPageWikiLink Deposition_(geology).
- Aggradation wikiPageWikiLink Earthquake.
- Aggradation wikiPageWikiLink Exner_equation.
- Aggradation wikiPageWikiLink Fault_(geology).
- Aggradation wikiPageWikiLink Floodplain.
- Aggradation wikiPageWikiLink Geology.
- Aggradation wikiPageWikiLink Land_use.
- Aggradation wikiPageWikiLink Nature_Geoscience.
- Aggradation wikiPageWikiLink Palaeochannel.
- Aggradation wikiPageWikiLink Progradation.
- Aggradation wikiPageWikiLink River.
- Aggradation wikiPageWikiLink River_delta.
- Aggradation wikiPageWikiLink Sediment_transport.
- Aggradation wikiPageWikiLink Sedimentary_basin.
- Aggradation wikiPageWikiLink Subsidence.
- Aggradation wikiPageWikiLink Types_of_volcanic_eruptions.
- Aggradation wikiPageWikiLink University_of_Colorado_Boulder.
- Aggradation wikiPageWikiLink File:Aggradation.png.
- Aggradation wikiPageWikiLinkText "Aggradation".
- Aggradation wikiPageWikiLinkText "aggradated".
- Aggradation wikiPageWikiLinkText "aggradation".
- Aggradation wikiPageWikiLinkText "aggrade".
- Aggradation wikiPageWikiLinkText "aggraded".
- Aggradation wikiPageWikiLinkText "aggrades".
- Aggradation wikiPageWikiLinkText "become shallower".
- Aggradation wikiPageWikiLinkText "flood".
- Aggradation wikiPageUsesTemplate Template:Reflist.
- Aggradation wikiPageUsesTemplate Template:River_morphology.
- Aggradation subject Category:Deposition_(geology).
- Aggradation subject Category:Geomorphology.
- Aggradation subject Category:Sedimentology.
- Aggradation hypernym Term.
- Aggradation type Hydraulic.
- Aggradation type Process.
- Aggradation type Science.
- Aggradation type Subfield.
- Aggradation comment "Aggradation (or alluviation) is the term used in geology for the increase in land elevation, typically in a river system, due to the deposition of sediment. Aggradation occurs in areas in which the supply of sediment is greater than the amount of material that the system is able to transport.".
- Aggradation label "Aggradation".
- Aggradation sameAs Q557791.
- Aggradation sameAs إرساب.
- Aggradation sameAs Agradació.
- Aggradation sameAs Anlandung.
- Aggradation sameAs Agradación.
- Aggradation sameAs فراسایی.
- Aggradation sameAs Aggradation.
- Aggradation sameAs აკუმულაცია.
- Aggradation sameAs Аккумуляция.
- Aggradation sameAs അധിവർധനം.
- Aggradation sameAs Aggradatie.
- Aggradation sameAs Akumulacja_(geologia).
- Aggradation sameAs Assoreamento.
- Aggradation sameAs m.0190m6.
- Aggradation sameAs m.0bdmkr.
- Aggradation sameAs Аккумулятивные_равнины.
- Aggradation sameAs Акумуляція_(геологія).
- Aggradation sameAs Q557791.
- Aggradation wasDerivedFrom Aggradation?oldid=684109957.
- Aggradation depiction Aggradation.png.
- Aggradation isPrimaryTopicOf Aggradation.