Category:Headward erosion
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erosion at the origin of a stream channel, moving the origin upstream | |||||
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Headward erosion is the lengthening and cutting upstream of a valley or a gully at its head. The stream erodes away the rock and soil at its headwaters in the opposite direction that it flows. It is accomplished by rainwash, gullying, spring sapping, and the slumping of material into the head of the growing valley. Once a spring sapping has begun to cut back, the erosion is speed up by the steep gradient the water is flowing down. (also retrogressive erosion, headwater erosion, head erosion, upward erosion)
See also category: River sources.Subcategories
This category has the following 3 subcategories, out of 3 total.
Media in category "Headward erosion"
The following 15 files are in this category, out of 15 total.
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Casa Branca Gully.JPG 2,112 × 2,816; 972 KB
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Cox Lavaka W16.jpg 1,280 × 960; 607 KB
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Head erosion gully.jpg 4,149 × 2,766; 3.61 MB
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Headward erosion-1.JPG 2,112 × 2,816; 1.64 MB
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Headward erosion.jpg 700 × 484; 216 KB
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National Park Service Thawing permafrost (27759123542).jpg 4,752 × 3,168; 6.92 MB
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Otíñar - Vega Baja K01.jpg 2,100 × 2,800; 3.96 MB
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Strunkpass Schmiecha.jpg 2,048 × 1,536; 1.11 MB
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Strunkpass-Geologie Grosse-Urlauter Echaztobel Gross-Engstingen Schwaebische-Alb.jpg 1,800 × 1,500; 2.5 MB
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Tamajón, cárcavas.jpg 1,058 × 1,592; 1.32 MB
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Theater Headed Canyons.jpg 784 × 719; 106 KB
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Ucasus.jpg 438 × 768; 88 KB
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Upward-erosion.ogv 16 s, 640 × 480; 1.34 MB
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