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Giant current ripples (GCRs), also known as giant gravel bars or giant gravel dunes, [1] are a form of subaqueous dune. They are active channel topographic forms up to 20 m high, which occur within near- thalweg areas of the main outflow routes created by glacial lake outburst floods . [ 2 ]
Gravel bicycles generally use drop bars, similar to racing and cyclocross bicycles, unlike mountain bikes and hybrid bicycles. Many gravel bikes are fitted with wider bars than would be typical for a road or cyclocross bike, and a few have been fitted with "flared" bars that angle outwards.
A pendant bar is a large, streamlined, fluvial bar that is typically composed of gravel which occurs just downstream of a bedrock obstruction within a river channel or floodway that has been scoured by either an outburst flood, megaflood, or jökulhlaup. They are often associated with giant current ripples.
A bar in a river is an elevated region of sediment (such as sand or gravel) that has been deposited by the flow. Types of bars include mid-channel bars (also called braid bars and common in braided rivers ), point bars (common in meandering rivers ), and mouth bars (common in river deltas ).
Distinct geomorphological features include coulees, dry falls, streamlined hills and islands of remnant loess, gravel fans and bars, and giant current ripples. [7]The term scabland refers to an area that has experienced fluvial erosion resulting in the loss of loess and other soils, leaving the land barren. [9]
Barre is known for its ballerina bar where you’ll do pliés until you really feel the burn. Which is better for core strength? If building core strength is your goal, Pilates is the choice for ...