Table of Contents
- 1 How does stream piracy occur?
- 2 What is stream piracy in geography?
- 3 What causes stream capture quizlet?
- 4 Where does the most erosion typically occur along the channel of a meandering stream?
- 5 Why deposition takes place in a river?
- 6 How do you explain river capture?
- 7 What happens to the majority of sediment being carried by moving water as it enters a standing body little or no motion of water?
How does stream piracy occur?
Stream capture occurs when an actively eroding low level stream encroaches on the drainage of a nearby stream flowing at a higher level and diverts part of the water of the higher stream. Some streams cut down more rapidly than others, and the divides shift laterally to engulf adjacent streams. …
What is stream piracy in geography?
The diversion of the part of the course of a river by another river is called stream diversion or stream capture or stream piracy.
What is stream piracy quizlet?
Stream piracy. a process that happens when headward erosion by one stream causes the stream to intersect with the course of another stream and capture its flow.
What causes stream capture quizlet?
Stream capture is a geomorphological phenomenon occurring when a stream or river drainage system or watershed is diverted from its own bed, and flows instead down the bed of a neighboring stream.
Where does the most erosion typically occur along the channel of a meandering stream?
Due to the slope of the channel, erosion is more effective on the downstream side of a meander. Therefore, in addition to growing laterally, the bends also gradually migrate down the valley.
Why does the velocity of a stream vary with location in a given reach of the stream?
A stream’s velocity depends on position in the stream channel, irregularities in the stream channel caused by resistant rock, and stream gradient. Friction slows water along channel edges. Friction is greater in wider, shallower streams and less in narrower, deeper streams.
Why deposition takes place in a river?
When a river loses energy, it will drop or deposit some of the material it is carrying. Deposition may take place when a river enters an area of shallow water or when the volume of water decreases – for example, after a flood or during times of drought.
How do you explain river capture?
noun In physical geography, the process by which a stream, lengthening its valley by headward erosion and thus encroaching upon a neighboring drainage-basin of greater altitude, eventually taps another stream or river, the upper waters of which are thus diverted and its lower waters beheaded.
What are fluvial processes quizlet?
Fluvial refers to the processes associated with rivers and streams and the deposits and landforms created by them.
What happens to the majority of sediment being carried by moving water as it enters a standing body little or no motion of water?
What happens to the majority of sediment being carried by moving water as it enters a standing body (little or no motion) of water? The sediment gradually settles to the bottom.