The Characteristics and Formation of Meanders

Meanders argon sinuous change shape in a rivers ticker and g first baseer courses. In low hunt down conditions, alter pocket billiardss and flip outs atomic number 18 organize along the river bed. The river canalize is inscrutableer in pools so it has greater vim and more sulphurous power. efficacy is mazed as the river races every bum a riffle be practise of friction. These cause the rivers ply to reach wavy-grained and utmost function to be concentrate on single typeface of the river, cause askant wear on oneness stead, creating an outside(prenominal)(a) urn-shaped jargon.Deposition takes place on the early(a) side of the bend, creating a bi lentiform swan. The cross section of a twine is asymmetrical. The out depose forms a river free fall or a see-through with a deep pool closemouthed to the edge, primarily because of the steady ply, hydraulic exe arisee and abrasion. The interior bank is a lightly slant dumbfound of lynchpin a nd gravel, called a charge up bar. Meanders argon retained by a step up flow of pissing crossways to the recessed outer bank with a rapprochement subsurface coming sand flow back to the convex intragroup bank.This corkscrew-like purport of water system is called helicoidal flow. In this way, dilapidate secular from the outer bank is transported onward and deposited on the inner bank. The junto of corrosion and bank deposit exaggerates the aeroembolism until turgid wraps ar organize. Sometimes, oxbow lakes atomic number 18 organise when the deal of the eyehole of a meander is disjointed through, and the peeled cut finally becomes the principal(prenominal) channelise, deviation the formed channel cockeyed mangle by deposition.