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A diagram of a possible river with the Strahler number of each tributary labeled. In hydrology, a stream order is a positive integer used to describe the level of river branching in a drainage basin. [18] Several systems of stream order exist, one of which is the Strahler number. In this system, the first tributaries of a river are 1st order ...
The stream order or waterbody order is a positive whole number used in geomorphology and hydrology to indicate the level of branching in a river system.. There are various approaches [1] to the topological ordering of rivers or sections of rivers based on their distance from the source ("top down" [2]) or from the confluence (the point where two rivers merge) or river mouth ("bottom up" [3 ...
A river delta is so named because the shape of the Nile Delta approximates the triangular uppercase Greek letter delta.The triangular shape of the Nile Delta was known to audiences of classical Athenian drama; the tragedy Prometheus Bound by Aeschylus refers to it as the "triangular Nilotic land", though not as a "delta". [8]
Meandering rivers, which form a sinuous path in a usually low-gradient plain toward the end of a fluvial system. Anastomosed river is a rare case of a relatively straight, complicated vertical sequence of river deposits with banks held together by dense vegetation.
As an essential symbol of the river formation environment, the river source needs an objective and straightforward and effective method of judging [clarification needed]. A calculation model of river source catchment area based on critical support flow (CSD) proposed, and the relationship between CSA and CSD with a minimum catchment area ...
Diagram of a river's left and right banks. The descriptive terms left bank and right bank refer to the perspective of an observer looking downstream; a well-known example of this being the southern left bank and the northern right bank of the river Seine defining parts of Paris.
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A detailed diagram depicting the global water cycle. The direction of movement of water between reservoirs tends towards upwards movement through evapotranspiration and downward movement through gravity. The diagram also shows how human water use impacts where water is stored and how it moves. [1]