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The disturbance (of either kind) leads to overall warming and melting of ground ice, after which surface subsidence occurs allowing for water infiltration of either surface water or melted ground ice. [5] Teshekpuk Lake on the Alaska North Slope within the National Petroleum Reserve–Alaska is the largest thermokarst lake in the world. [16]
Gulch – Deep V-shaped valley formed by erosion; Gully – Landform created by running water and/or mass movement eroding sharply into soil; Hogback – Long, narrow ridge; Hoodoo – Tall, thin spire of relatively soft rock usually topped by harder rock; Homoclinal ridge – Ridge with a moderate sloping backslope and steeper frontslope
Landforms related to rivers and other watercourses include: Channel (geography) – Narrow body of water; Confluence – Meeting of two or more bodies of flowing water; Cut bank – Outside bank of a water channel, which is continually undergoing erosion; Crevasse splay – Sediment deposited on a floodplain by a stream which breaks its levees
A gully in Kharkiv oblast, Ukraine. Gullied landscape in Somalia.. A gully is a landform created by running water, mass movement, or commonly a combination of both eroding sharply into soil or other relatively erodible material, typically on a hillside or in river floodplains or terraces.
Weathering is the deterioration of rocks, soils and minerals (as well as wood and artificial materials) through contact with water, atmospheric gases, sunlight, and biological organisms. It occurs in situ (on-site, with little or no movement), and so is distinct from erosion , which involves the transport of rocks and minerals by agents such as ...
Landforms are categorized by characteristic physical attributes such as elevation, slope, orientation, structure stratification, rock exposure, and soil type.Gross physical features or landforms include intuitive elements such as berms, mounds, hills, ridges, cliffs, valleys, rivers, peninsulas, volcanoes, and numerous other structural and size-scaled (e.g. ponds vs. lakes, hills vs. mountains ...
Pages in category "Erosion landforms" The following 84 pages are in this category, out of 84 total. ... Water gap; Wind gap; Witness Hill This page was ...
The erosion associated with overland flow may occur through different methods depending on meteorological and flow conditions. If the initial impact of rain droplets dislodges soil, the phenomenon is called rainsplash erosion. If overland flow is directly responsible for sediment entrainment but does not form gullies, it is called "sheet erosion".