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11 Cards in this Set
- Front
- Back
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What is a source? |
The place where a river begins |
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What is a tributary? |
A stream or river which joins a larger river |
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What is the mouth? |
The place where a river enters the sea,a lake or other river |
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What is an estuary? |
That part of the river mouth which is tidal |
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What is the river basin? |
The total area drained by a river and it's tributaries |
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What is a watershed? |
The high ground which separates one river basin from another |
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What is the confluence? |
The place where two or more rivers meet |
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What is the river course? |
Thr route taken by a river between its source and it's mouth |
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Name three stages of a river |
Youth, maturity, old age |
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Describe the slope of each stage of a river |
Youth (upper course) - steep slope Maturity (middle course) - gentle slope Old age (lower course) - almost flat |
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Describe the valley shape of each stage of a river |
Youth - 'v shaped' valley (narrow floor and steep sides) Maturity - valley trough (wide floor and fairly gentle sides) Old age - plain (flat, low land) |
