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Channel patterns are found in rivers, streams, and other bodies of water that transport water from one place to another.Systems of branching river channels dissect most of the sub-aerial landscape, each in a valley proportioned to its size.
Giant current ripples usually exhibit antidune breaking wave and dune ripple shapes, resulting from their high energy environments. Giant current ripples can reach a maximum height of 20 metres (66 ft) and reach a maximum length of 1 kilometre (0.62 mi). they occur in ripple fields that can cover an area several kilometers across. [3] [6]
There are also immense potholes and ripple marks, much larger than those found on ordinary rivers. When these features were first studied, no known theories could explain their origin. The giant current ripples are between 3 and 49 feet (1 and 15 m) high and are regularly spaced, relatively uniform hills. [9]
Like the sinuous ripples, this form of ripple is created by unidirectional flow with the dip at an angle to the flow as well as downstream. Linguoid / Lunate Linguoid ripples have lee slope surfaces that are curved generating a laminae similar to caternary and sinuous ripples. Linguoid ripples generate an angle to the flow as well as downstream.
Patterns in Nature. Little, Brown & Co. Stewart, Ian (2001). What Shape is a Snowflake? Magical Numbers in Nature. Weidenfeld & Nicolson. Patterns from nature (as art) Edmaier, Bernard. Patterns of the Earth. Phaidon Press, 2007. Macnab, Maggie. Design by Nature: Using Universal Forms and Principles in Design. New Riders, 2012. Nakamura, Shigeki.
Lava crosses the main road to Grindavik and flows on the road leading to the Blue Lagoon, in Grindavik, Iceland, on Feb. 8. Credit - Marco Di Marco—AP Every year the TIME photo department sits ...
Wall Street's main indexes edged lower in choppy trading on Thursday after monthly producer prices rose as expected, with investors awaiting Fed Chair Jerome Powell's comments later in the day for ...
Current ripples preserved in sandstone of the Moenkopi Formation, Capitol Reef National Park, Utah, United States. A bedform is a geological feature that develops at the interface of fluid and a moveable bed, the result of bed material being moved by fluid flow. Examples include ripples and dunes on the bed of a river.
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