Fluvial Landforms

Fluvial Landforms - Wayne Kocher GPH 111 Stewart 10-18-10...

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Wayne Kocher GPH 111 – Stewart 10-18-10 Fluvial Landforms 1. The three landforms associated with stream meandering are undercut bank, point bar, and oxbow lake. An undercut bank is the outer portion of the meandering curve subject to the most erosion and the site of a steep bank. A point bar is the inner portion of a meandering curve that receives sediment fill and forms a deposit. An oxbow lake is when a former meander becomes isolated from the rest of the river. 2. Deposition and erosion can both occur along a stream meander if the stream is a low gradient stream. 3. The three methods by which material is transported in a stream are dissolved load, suspended load, and bedload. Dissolved load is when sediment is carried by being chemically dissolved in the water. Suspended load is when the sediment is lighter than the water and is essentially floating through the water. Bedload is when the sediment is heavier than the water and is pushed along the bed of the river. 4.
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Fluvial Landforms - Wayne Kocher GPH 111 Stewart 10-18-10...

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