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Meander definition12/24/2023 ![]() This commonly causes a meander to constrict and form a gooseneck, an extremely bowed meander. The uneven resistance to erosion of nonhomogenous material causes irregularities in a meandering stream, such as the stacking of meanders upstream of an obstruction. The length of a meander generally ranges from seven to ten times the channel width. A meandering channel commonly is about one and one-half times as long as the valley, and it exhibits pools in the meander bends and riffles (shallower zones with more turbulent water flow) in the reaches between the meanders. Meanders, named from the Menderes (historically known as the Maeander) River in Turkey, are most often formed in alluvial materials (stream-deposited sediments) and thus freely adjust their shapes and shift downstream according to the slope of the alluvial valley. Meander, extreme U-bend in the course of a stream, usually occurring in a series. SpaceNext50 Britannica presents SpaceNext50, From the race to the Moon to space stewardship, we explore a wide range of subjects that feed our curiosity about space!.Learn about the major environmental problems facing our planet and what can be done about them! Saving Earth Britannica Presents Earth’s To-Do List for the 21st Century.Britannica Beyond We’ve created a new place where questions are at the center of learning.100 Women Britannica celebrates the centennial of the Nineteenth Amendment, highlighting suffragists and history-making politicians.COVID-19 Portal While this global health crisis continues to evolve, it can be useful to look to past pandemics to better understand how to respond today.Student Portal Britannica is the ultimate student resource for key school subjects like history, government, literature, and more.This Time in History In these videos, find out what happened this month (or any month!) in history.#WTFact Videos In #WTFact Britannica shares some of the most bizarre facts we can find.Demystified Videos In Demystified, Britannica has all the answers to your burning questions.Britannica Explains In these videos, Britannica explains a variety of topics and answers frequently asked questions.Britannica Classics Check out these retro videos from Encyclopedia Britannica’s archives.
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