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The flow is then directed against the opposite bank of the river, which will erode into a more concave shape to accommodate the flow. The bank will still block the flow, causing it to reflect in the other direction. Thus, a bend in the river is created. [7] Rivers may run through low, flat regions on their way to the sea. [12]
The Roman author Arrian's Indica states that "the delta of the land of the Indians is made by the Indus river no less than is the case with that of Egypt". [8] As a generic term for the landform at the mouth of the river, the word delta is first attested in the English-speaking world in the late 18th century, in the work of Edward Gibbon. [9]
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 ...
However, rivers typically originate in the highlands, and are slowly created by the erosion of mountain snowmelt into lakes or rivers. Rivers usually flow from their source topographically, and erode as they pass until they reach the base stage of erosion. The scientists have offered a way based on data to define the origin of the lake.
Slower flows also mean rivers have less power to move sediment, made up of dirt and small rocks. This has big impacts further downstream as sediment is vital to build river deltas, which provide ...
Pak Nam Pho, the downtown of Nakhon Sawan in Thailand, is the confluence of the rivers Ping and Nan, forming the Chao Phraya the main artery of central Thailand. Pak Phraek, the old town zone of Kanchanaburi in Thailand, is the confluence of the rivers Khwae Yai and Khwae Noi, forming the Mae Klong the main artery of western Thailand.
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In particular, there seems to exist disagreement as to whether the Nile [3] or the Amazon [4] is the world's longest river. The Nile has traditionally been considered longer, but in 2007 and 2008 some scientists claimed that the Amazon is longer [ 5 ] [ 6 ] [ 7 ] by measuring the river plus the adjacent Pará estuary and the longest connecting ...