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  2. Slip-off slope - Wikipedia

    en.wikipedia.org/wiki/Slip-off_slope

    River Ashes Hollow, UK. Schematic cross section of a meandering river channel showing slip-off slope formation. A slip-off slope is a depositional landform that occurs on the inside convex bank of a meandering river. The term can refer to two different features: one in a freely meandering river with a floodplain and the other in an entrenched ...

  3. Buridan's bridge - Wikipedia

    en.wikipedia.org/wiki/Buridan's_bridge

    Buridan's Bridge (also known as Sophism 17) is described by Jean Buridan, one of the most famous and influential philosophers of the Late Middle Ages, in his book Sophismata. It is a self-referential paradox that involves a proposition pronounced about an event that might or might not happen in the future.

  4. Channel pattern - Wikipedia

    en.wikipedia.org/wiki/Channel_pattern

    Straight, which are found in the most tectonically incised/active areas. This is more of a hypothetical end-member, and are not often found in nature. Straight-type channels can be found at alluvial fans. Braided rivers, which form in (tectonically active) areas that have a larger sedimentary load than the discharge of the river and a high ...

  5. Knickpoint - Wikipedia

    en.wikipedia.org/wiki/Knickpoint

    The Horseshoe Falls, one of the three Niagara Falls.The falls are a knickpoint, formed by slower erosion above the falls than below. In geomorphology, a knickpoint or nickpoint is part of a river or channel where there is a sharp change in channel bed slope, such as a waterfall or lake.

  6. Channel types - Wikipedia

    en.wikipedia.org/wiki/Channel_types

    A wide variety of river and stream channel types exist in limnology, the study of inland waters.All these can be divided into two groups by using the water-flow gradient as either low gradient channels for streams or rivers with less than two percent (2%) flow gradient, or high gradient channels for those with greater than a 2% gradient.

  7. Confluence - Wikipedia

    en.wikipedia.org/wiki/Confluence

    A confluence can occur in several configurations: at the point where a tributary joins a larger river ; or where two streams meet to become the source of a river of a new name (such as the confluence of the Monongahela and Allegheny rivers, forming the Ohio River); or where two separated channels of a river (forming a river island) rejoin at ...

  8. Drainage system (geomorphology) - Wikipedia

    en.wikipedia.org/wiki/Drainage_system...

    Dendritic drainage: the Yarlung Tsangpo River, Tibet, seen from space: snow cover has melted in the valley system. In geomorphology, drainage systems, also known as river systems, are the patterns formed by the streams, rivers, and lakes in a particular drainage basin. They are governed by the topography of land, whether a particular region is ...

  9. Ria - Wikipedia

    en.wikipedia.org/wiki/Ria

    The deeply indented shape of the ria reflects the dendritic pattern of drainage that existed before the rise in sea level that flooded the valley. A ria (/ ˈ r iː ə /; [1] Galician: ría, feminine noun derived from río, river) is a coastal inlet formed by the partial submergence of an unglaciated river valley. It is a drowned river valley ...