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Sec 1 Exp - River System & Drainage
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Sec 1 Exp - River System & Drainage

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    Sec 1 Exp - River System & Drainage Sec 1 Exp - River System & Drainage Presentation Transcript

    • The River System
    • Recap
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    • Course of a River
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    • The Drainage Basin The area drained by a river and its tributaries River River source Tributary River mouth Drainage basin Watershed
    • Drainage Basin
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    • River source
      • Where do you think the water in the river comes from?
    • Main River
    • Confluence The point where the tributary join the main river.
    • Watershed & Drainage basin
    • Watershed & Drainage basin
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    • Waterfall
    • Waterfall
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    • How waterfall is formed?
      • A waterfall usually forms when a river flows over hard and soft rocks.
      • The soft rock is eroded more quickly.
      • A ledge is formed over which water falls.
      • The force of the water is so great that it cuts a depression or plunge pool at the bottom.
    • Meander & oxbow lake
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    • Features formed by rivers
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    • River mouth & Delta
    • The sediments will be deposit at the river mouth which form a form a delta overtime.
    • River mouth Delta Distributaries
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    • A B C D E F G