Rivers Drainage Basin

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  • 1. Rivers The drainage basin
  • 2.  
  • 3. The hydrological cycle
    • Listen to the song....see what you can remember from last week
  • 4. Keywords
    • Geog.GCSE, P74
    • Q3: match up the keywords + meanings, copy in to your book
  • 5. What is a river basin? also know as a drainage basin.
  • 6. The drainage basin
    • All rivers receive a water supply and the area of land this comes from is known as a drainage basin .
    • The boundaries of the basin are known as the watershed and will usually be marked by areas of high land.
  • 7. River drainage basins
    • Rivers begin in upland areas and flow downhill, becoming deeper and wider until they reach the sea.
    • A drainage basin is part of the water cycle where water is transferred in a continuous cycle between the sea, atmosphere and the land.
    • As the river flows downstream its characteristics change through the three main sections of The Upper Course The Middle Course The Lower Course
  • 8. Drainage basin diagram:
    • River basins are an open system with inputs and outputs of water
    Any rain falling here will flow within this basin
  • 9. Erosion reminder: River erosion is similar to coastal erosion
    • Jot down the ways that rivers erode the land
  • 10. Hydrological cycle reminder
    • Watch the Evian advert
    • Jot down the names of processes that happen during the clip, e.g. condensation
  • 11. Hydro song/poem
    • Using the textbook and all the keywords, write a song or poem to describe the hydro cycle
    • Use pages 66 and 67 to help with terms
  • 12. Common exam Qs
    • These Qs come up often in exams:
    • Locate features on diagram of river
    • Explain the main ways rivers erode
    • Explain how rivers transport material
  • 13. What is a river basin? also know as a drainage basin.
  • 14. You will need
    • Your book
    • A template
    • A stick of glue
    • Scissors
    • Pencil crayons- blue and brown
    • A pen
  • 15. Template
  • 16. step 1 Cut out the template. Make sure you cut up the vertical line.
  • 17. step 2 Using a brown crayon, shade around the circumference of the circle.
  • 18. step 3 Using a blue crayon, shade the left triangle, draw some blue lines running from the top of the triangle and branching out towards the edge of the circle.
  • 19. step 4 Watershed the area of high land forming the edge of a river basin. Source where a river begins. Mouth where a river meets the sea. Confluence the point at which two rivers meet. Tributary a small river or stream that joins a larger river. Channel this is where the river flows. Drainage Basin this is the area of land drained by a river and its tributaries. 1 You will now need a pen. Number the following features on your template. 2 3 4 5 6 7
  • 20. step 5 Glue the remaining blank triangle.
  • 21. step 6 Stick the glued triangle under the shaded triangle, so it fits neatly.
  • 22. step 7 Open your book to a double page. Glue the triangle and the bottom sides of the diagram. Stick this firmly across the cease of the book. The tip of the triangle should correspond to the cease.
  • 23. step 8 It should look like this!
  • 24. step 9 Watershed the area of high land forming the edge of a river basin. Source where a river begins. Mouth where a river meets the sea. Confluence the point at which two rivers meet. Tributary a small river or stream that joins a larger river. Channel this is where the river flows. Drainage Basin this is the area of land drained by a river and its tributaries. 1 2 3 4 5 6 7 Give your diagram the title ‘River Basin’. Provide a date. Write neatly the numbers and corresponding definitions into your book.
  • 25. step 10 Close your book!
  • 26. step 10 Open your book! Badge off E-Bay!
  • 27. Amazon
    • Watch the film clip
    • Take notes on the River Amazon
    • Describe the landscape , landforms and how the river + the land is used.
  • 28. Stages of a River Source Mouth Upper Stage Middle Stage Lower Stage Erosion Gradient Depth Velocity Width Volume Landforms
  • 29. ICT extension
    • Room 47
    • Use the internet to research how deforestation affects the hydrological system
    • What difference can it make?