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Sheet erosion, Pullman, Washington, 1946 Sheet erosion or sheet wash is the even erosion of substrate along a wide area. [1] It occurs in a wide range of settings such as coastal plains, hill slopes, floodplains, beaches, [2] savanna plains [3] and semi-arid plains. [4]
Also called Indianite. A mineral from the lime-rich end of the plagioclase group of minerals. Anorthites are usually silicates of calcium and aluminium occurring in some basic igneous rocks, typically those produced by the contact metamorphism of impure calcareous sediments. anticline An arched fold in which the layers usually dip away from the fold axis. Contrast syncline. aphanic Having the ...
The complexities involved in studying sheet flows, including the need for advanced modeling techniques to accurately simulate flow dynamics and sediment transport mechanisms.
Sheetwash or sheet erosion, in which broad sheets of flowing water evenly remove thin layers of surface material without incising channels. [18] [19] Mountain-front retreating by weathering [20] Lateral planation or erosion by a stream [21] Rillwash or rill erosion, in which flow is concentrated in numerous closely spaced minute channels. [19]
Rivers transport sediment particles that are at the same time the tools for erosion but also the shield protecting the bedrock. How important is this double role of sediment for the evolution of landscapes? [7] [8] How resilient is the ocean to chemical perturbations? [citation needed] What controls the dynamics of storm tracks? [9]
Colluvium (also colluvial material or colluvial soil) is a general name for loose, unconsolidated sediments that have been deposited at the base of hillslopes by either rainwash, sheetwash, slow continuous downslope creep, or a variable combination of these processes.
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For example, headward erosion by the Shenandoah River, a tributary of the Potomac River in the U.S. state of Virginia, permitted the Shenandoah to capture successively the original upstream segments of Beaverdam Creek, Gap Run and Goose Creek, three smaller tributaries of the Potomac.