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Physical Systems Revision Hobart High 2008
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Physical Systems Revision Hobart High 2008

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Transcript

  • 1. Physical Systems Revision
  • 2. Need to know
    • Physical Landscape – Swanage Bay Area
    • Weather and Climate
    • Physical Environments and Systems
  • 3. Weathering
    • Physical
      • Freeze Thaw
        • http://www.s-cool.co.uk/topic_quicklearn.asp?loc=ql&topic_id=3&quicklearn_id=2&subject_id=20&ebt=71&ebn=&ebs=&ebl=&elc=4
      • Exfoliation
        • Occurs in hot, dry climates.
        • The outer layer of the rock is heated by the sun during the day, causing it to expand, during the night, as the temperature drops, the rock contracts . This constant expanding and contracting eventually leads to the outer layers of the rock pealing away, leaving behind them rounded rocks and dome shaped outcrops .
  • 4. Weathering
    • Chemical
      • Carbonation – acid rain washing away
    • Biological
      • Roots and Critters
  • 5. How does the sea shape the landscape? - EROSION
    • Coastal Erosion
      • Hydraulic action
      • Corrasion
      • Attrition
      • Corrosion
    • Waves
      • Energy released by waves causes the erosion
      • Size of waves depends on fetch
  • 6. TRANSPORTATION
    • Define Swash
    • Backwash
    • Longshore Drift
      • Draw a quick annotated diagram to explain each of these
  • 7. DEPOSITION
    • Dumping of eroded material after transportation
    • Examples are beaches
  • 8. YOUR landform, Swanage Bay Area, Dorset, UK
    • Features in this area that you will need to be able to describe and explain are:
      • Cliffs and wave cut platforms
  • 9. Wave cut platform
  • 10. Headlands & Bays
  • 11. Caves, Arches, Stacks & Stumps
  • 12. http://www.georesources.co.uk/leld.htm
    • Use this website as a good source of info
    • These were all erosional features what about transportation & deposition
  • 13. Transportation
    • Need to explain how LSD can create beaches and spits
    • No spits in swanage but there are beaches with groynes to prevent LSD
    • Spit example could be Blakeney Point
  • 14. The Hydrological Cycle
    • http://www.nwlg.org/pages/resources/geog/hydro_cycle/hydro/cycle.htm
    • http://www.bbc.co.uk/schools/gcsebitesize/geography/riverswater/riversystemsrev2.shtml
    • Know the keywords and definitions
      • Page 13 revision guide
  • 15. Drainage Basins
  • 16. Hydrographs
  • 17. Weather & Climate
    • Microclimates
      • How do the following affect local weather
        • Altitude
        • Shelter
        • Aspect
        • Vegetation
        • Water
        • Urban Areas
  • 18. Britain’s Weather
    • Regional variations
    • Different parts of the UK experience slightly different regional climates. These can be summarised as:
      • Northwest - cool summers, mild winters, heavy rain all year
      • Northeast - cool summers, cool winters, steady rain all year
      • Southeast - warm summers, mild winters, light rain all year, especially summer
      • Southwest - warm summers, mild winters, heavy rain all year, especially winter
  • 19. Why? Air Masses etc
    • Latitude
      • Colder further North
      • Warmer in the South
    • Ocean Currents
      • North Atlantic Drift
      • Warm water affects West in Winter
    • Relief
      • More mountains in west means more rain
    • Prevailing winds
      • See diagram
  • 20. Global Climate Patterns
    • See Workbook
    • Use page 19 revision guide
    • http://www.bbc.co.uk/schools/gcsebitesize/geography/weather/elementsofweatherrev10.shtml
  • 21. Types of Rainfall
    • http://www.bbc.co.uk/schools/gcsebitesize/geography/weather/elementsofweatherrev6.shtml
    • Convectional
    • Relief
    • Frontal
  • 22. Depressions
    • Low Pressure
    • Affect the UK
    • Warm & Cold Fronts moving across from west to East
  • 23. Depression
  • 24. Great Storm 1987
    • UK weather event
    • Causes and Effects
  • 25. Climate Change
    • Go over potential Causes
      • What is the overall cause?
        • How does this relate to global warming?
      • What are the underlying reasons for this cause?
    • What are some of the predicted effects
      • Global Warming
      • Others?
    • What can be done about it
      • Discuss
  • 26. Ecosystem – The Rainforest (Amazon)
    • Rainforest
      • Global Distribution of Tropical Rainforests
      • Climate & Weather
      • How does climate & weather affect the vegetation & soil
      • How does vegetation affect soil & soil affect vegetation
      • Humans impact on Rainforest