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- Headward_erosion abstract "Headward erosion is erosion at the origin of a stream channel, which causes the origin to move back away from the direction of the stream flow, and so causes the stream channel to lengthen. It can also refer to widening of a canyon by erosion along its very top edge, when sheets of water first enter the canyon from a more roughly planar surface above it, such as at Canyonlands National Park in Utah. (See image at right.) When sheets of water on a roughly planar surface first enter a depression in it, this erodes the top edge of the depression. This either causes the stream to grow longer at the very top of the stream, which moves its origin back, or causes the canyon formed by the stream to grow wider, by erosion along the length of its top side edge as sheets of water flow over the edge. Widening of the canyon by erosion inside the canyon, below the canyon side top edge, or origin or the stream, such as erosion caused by the streamflow inside it, is not called headwall erosion.Headward erosion is a fluvial process of erosion that lengthens a stream, a valley or a gully at its head and also enlarges its drainage basin. The stream erodes away at the rock and soil at its headwaters in the opposite direction that it flows. Once a stream has begun to cut back, the erosion is sped up by the steep gradient the water is flowing down. As water erodes a path from its headwaters to its mouth at a standing body of water, it tries to cut an ever-shallower path. This leads to increased erosion at the steepest parts, which is headward erosion. If headward erosion continues long enough, it can cause a stream to break through into a neighboring watershed and capture drainage that previously flowed to another stream.For example, headward erosion by the Shenandoah River in the U.S. state of Virginia, a tributary of the Potomac River, permitted the Shenandoah to capture successively the original upstream segments of Beaverdam Creek, Gap Run and Goose Creek, three smaller tributaries of the Potomac. As each capture added to the Shenandoah's discharge, it accelerated the process of headward erosion until the Shenandoah captured all drainage to the Potomac west of the Blue Ridge Mountains.".
- Headward_erosion thumbnail Headward_erosion.jpg?width=300.
- Headward_erosion wikiPageID "5077608".
- Headward_erosion wikiPageLength "6831".
- Headward_erosion wikiPageOutDegree "39".
- Headward_erosion wikiPageRevisionID "683767676".
- Headward_erosion wikiPageWikiLink Beaverdam_Creek.
- Headward_erosion wikiPageWikiLink Blue_Ridge_Mountains.
- Headward_erosion wikiPageWikiLink Bullseye_(target).
- Headward_erosion wikiPageWikiLink Canyon.
- Headward_erosion wikiPageWikiLink Canyonlands_National_Park.
- Headward_erosion wikiPageWikiLink Category:Erosion.
- Headward_erosion wikiPageWikiLink Category:Hydrology.
- Headward_erosion wikiPageWikiLink Centripetal_force.
- Headward_erosion wikiPageWikiLink Channel_(geography).
- Headward_erosion wikiPageWikiLink Drainage_basin.
- Headward_erosion wikiPageWikiLink Drainage_system_(geomorphology).
- Headward_erosion wikiPageWikiLink Effluent.
- Headward_erosion wikiPageWikiLink Erosion.
- Headward_erosion wikiPageWikiLink Fluvial.
- Headward_erosion wikiPageWikiLink Fluvial_landforms_of_streams.
- Headward_erosion wikiPageWikiLink Gap_Run.
- Headward_erosion wikiPageWikiLink Goose_Creek_(Potomac_River).
- Headward_erosion wikiPageWikiLink Gully.
- Headward_erosion wikiPageWikiLink Karst.
- Headward_erosion wikiPageWikiLink Karst_topography.
- Headward_erosion wikiPageWikiLink Lavaka.
- Headward_erosion wikiPageWikiLink Potomac_River.
- Headward_erosion wikiPageWikiLink River_source.
- Headward_erosion wikiPageWikiLink Shenandoah_River.
- Headward_erosion wikiPageWikiLink Sinkhole.
- Headward_erosion wikiPageWikiLink Source_(river_or_stream).
- Headward_erosion wikiPageWikiLink Stream.
- Headward_erosion wikiPageWikiLink Stream_capture.
- Headward_erosion wikiPageWikiLink Stream_channel.
- Headward_erosion wikiPageWikiLink Tributary.
- Headward_erosion wikiPageWikiLink Utah.
- Headward_erosion wikiPageWikiLink Valley.
- Headward_erosion wikiPageWikiLink Virginia.
- Headward_erosion wikiPageWikiLink Wikt:annular.
- Headward_erosion wikiPageWikiLink Wikt:parallel.
- Headward_erosion wikiPageWikiLink Wikt:radial.
- Headward_erosion wikiPageWikiLink File:Canyonlands_NP18.jpg.
- Headward_erosion wikiPageWikiLink File:Cox_Lavaka_W16.jpg.
- Headward_erosion wikiPageWikiLink File:Headward_erosion.jpg.
- Headward_erosion wikiPageWikiLinkText ""headcutting"".
- Headward_erosion wikiPageWikiLinkText "Headward erosion".
- Headward_erosion wikiPageWikiLinkText "headward (i.e. upstream) erosion".
- Headward_erosion wikiPageWikiLinkText "headward eroding".
- Headward_erosion wikiPageWikiLinkText "headward erosion".
- Headward_erosion wikiPageWikiLinkText "headward".
- Headward_erosion wikiPageWikiLinkText "retrogressive".
- Headward_erosion hasPhotoCollection Headward_erosion.
- Headward_erosion wikiPageUsesTemplate Template:Commonscat.
- Headward_erosion wikiPageUsesTemplate Template:Nofootnotes.
- Headward_erosion wikiPageUsesTemplate Template:Refbegin.
- Headward_erosion wikiPageUsesTemplate Template:Refend.
- Headward_erosion subject Category:Erosion.
- Headward_erosion subject Category:Hydrology.
- Headward_erosion hypernym Erosion.
- Headward_erosion type Article.
- Headward_erosion type Article.
- Headward_erosion type Geophysic.
- Headward_erosion type Process.
- Headward_erosion comment "Headward erosion is erosion at the origin of a stream channel, which causes the origin to move back away from the direction of the stream flow, and so causes the stream channel to lengthen. It can also refer to widening of a canyon by erosion along its very top edge, when sheets of water first enter the canyon from a more roughly planar surface above it, such as at Canyonlands National Park in Utah.".
- Headward_erosion label "Headward erosion".
- Headward_erosion sameAs Erosión_regresiva.
- Headward_erosion sameAs Zpětná_eroze.
- Headward_erosion sameAs Erosión_remontante.
- Headward_erosion sameAs Érosion_régressive.
- Headward_erosion sameAs סחיפה_לאחור.
- Headward_erosion sameAs Erosione_regressiva.
- Headward_erosion sameAs Erozja_wsteczna.
- Headward_erosion sameAs Erosão_remontante.
- Headward_erosion sameAs m.0d1pbh.
- Headward_erosion sameAs Q2537553.
- Headward_erosion sameAs Q2537553.
- Headward_erosion sameAs 向源侵蝕.
- Headward_erosion wasDerivedFrom Headward_erosion?oldid=683767676.
- Headward_erosion depiction Headward_erosion.jpg.
- Headward_erosion isPrimaryTopicOf Headward_erosion.