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- Downcutting abstract "Downcutting, also called erosional downcutting, downward erosion or vertical erosion is a geological process that deepens the channel of a stream or valley by removing material from the stream's bed or the valley's floor. The speed of downcutting depends on the stream's base level, the lowest point to which the stream can erode. Sea level is the ultimate base level, but many streams have a higher "temporary" base level because they empty into another body of water that is above sea level or encounter bedrock that resists erosion. A concurrent process called lateral erosion refers to the widening of a stream channel or valley. When a stream is high above its base level, downcutting will take place faster than lateral erosion; but as the level of the stream approaches its base level, the rate of lateral erosion increases. This is why streams in mountainous areas tend to be narrow and swift, forming V-shaped valleys, while streams in lowland areas tend to be wide and slow-moving, with valleys that are correspondingly wide and flat-bottomed. The term gradient refers to the elevation of a stream relative to its base level. The steeper the gradient, the faster the stream flows. Sometimes geological uplift will increase the gradient of a stream even while the stream downcuts toward its base level, a process called "rejuvenation." This happened in the case of the Colorado River in the western United States, resulting in the process that created the Grand Canyon.".
- Downcutting thumbnail San_Juan_River_Utah_1927.jpg?width=300.
- Downcutting wikiPageExternalLink river2.htm.
- Downcutting wikiPageExternalLink lakebeddowncutting.
- Downcutting wikiPageID "4895120".
- Downcutting wikiPageLength "3190".
- Downcutting wikiPageOutDegree "30".
- Downcutting wikiPageRevisionID "611055225".
- Downcutting wikiPageWikiLink Bank_erosion.
- Downcutting wikiPageWikiLink Base_level.
- Downcutting wikiPageWikiLink Bedrock.
- Downcutting wikiPageWikiLink Category:Erosion.
- Downcutting wikiPageWikiLink Category:Geological_processes.
- Downcutting wikiPageWikiLink Category:Hydrology.
- Downcutting wikiPageWikiLink Channel_(geography).
- Downcutting wikiPageWikiLink Clay.
- Downcutting wikiPageWikiLink Colorado_River.
- Downcutting wikiPageWikiLink Erosion.
- Downcutting wikiPageWikiLink Geology.
- Downcutting wikiPageWikiLink Glacier.
- Downcutting wikiPageWikiLink Grand_Canyon.
- Downcutting wikiPageWikiLink Hill.
- Downcutting wikiPageWikiLink Lake.
- Downcutting wikiPageWikiLink Lateral_erosion.
- Downcutting wikiPageWikiLink Lowland.
- Downcutting wikiPageWikiLink Mountain.
- Downcutting wikiPageWikiLink Ocean_wave.
- Downcutting wikiPageWikiLink Rejuvenation_(river).
- Downcutting wikiPageWikiLink River_rejuvenation.
- Downcutting wikiPageWikiLink Sand.
- Downcutting wikiPageWikiLink Sea_level.
- Downcutting wikiPageWikiLink Stream.
- Downcutting wikiPageWikiLink Stream_gradient.
- Downcutting wikiPageWikiLink Tectonic_uplift.
- Downcutting wikiPageWikiLink Till.
- Downcutting wikiPageWikiLink United_States.
- Downcutting wikiPageWikiLink Upland_and_lowland_(freshwater_ecology).
- Downcutting wikiPageWikiLink V-shaped_valley.
- Downcutting wikiPageWikiLink Valley.
- Downcutting wikiPageWikiLink Water_column.
- Downcutting wikiPageWikiLink Wind_wave.
- Downcutting wikiPageWikiLink File:San_Juan_River_Utah_1927.jpg.
- Downcutting wikiPageWikiLinkText "Downcutting".
- Downcutting wikiPageWikiLinkText "downcut".
- Downcutting wikiPageWikiLinkText "downcutting".
- Downcutting wikiPageWikiLinkText "downward".
- Downcutting hasPhotoCollection Downcutting.
- Downcutting subject Category:Erosion.
- Downcutting subject Category:Geological_processes.
- Downcutting subject Category:Hydrology.
- Downcutting hypernym Process.
- Downcutting type Election.
- Downcutting type Geophysic.
- Downcutting type Process.
- Downcutting comment "Downcutting, also called erosional downcutting, downward erosion or vertical erosion is a geological process that deepens the channel of a stream or valley by removing material from the stream's bed or the valley's floor. The speed of downcutting depends on the stream's base level, the lowest point to which the stream can erode.".
- Downcutting label "Downcutting".
- Downcutting sameAs התחתרות_לעומק.
- Downcutting sameAs m.0ct07t.
- Downcutting sameAs Q5303078.
- Downcutting sameAs Q5303078.
- Downcutting wasDerivedFrom Downcutting?oldid=611055225.
- Downcutting depiction San_Juan_River_Utah_1927.jpg.
- Downcutting isPrimaryTopicOf Downcutting.