Climate Patterns And Processes

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Year 12 - Natural landscapes - intro

Year 12 - Natural landscapes - intro

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  • Answers: B (the smaller the number the bigger the scale because the map is bigger – less is being shown) 1cm on the map = 6,000cm on the land Map B has the larger scale – showing more detail. (not trying to show as many centimetres as the other one – makes it a larger scale)

Transcript

  • 1.
    • Wed 27 th Feb
    • DO NOW:
    • Name 3 aspects of climate
    • Temperature, rainfall, sunshine, wind, seasons, humidity, weather, droughts, hurricanes, monsoons
    Level 2 Geography
  • 2. Skills – pg48 Due: Friday 29 th Feb No essay practice this week. Homework for Week 5:
  • 3. Learning Intention: To be able to describe different climatic processes Climatic Patterns and Processes
  • 4. Climate… look at an atlas
  • 5. Climatic Processes: heating of the earth The sun heats the earth - Temperatures are warmer at the equator where the sun’s rays are more concentrated. How could the sun affect natural landscapes?
  • 6.
    • Latitude: Generally the closer to the Equator the warmer the temperature. This is because light at the Equator hits at less of an angle than at the poles. Northland at 36°S has an average temp of 14°C, whereas at Tongariro at 39°S has an average temp of 7°C.
    • Altitude: Saturated air cools at the rate of 0.6°C per 100 vertical metres.
    • Relief: This can cause orographic rain (Rangipo Desert) and cause wind funnelling (e.g. Cook Strait).
    Climate Controls copy
  • 7. Climatic Processes: Aeolian Processes
    • Wind – occurs through the heating and cooling of air. Air rises because it’s warm, then cools and falls. (convection current)
    • How do you think wind could affect natural landscapes?
    • - Erosion (when something is warn away)
    • - Deposition – when particles are deposited somewhere)
  • 8. Climatic Processes: Precipitation
    • Rain…Snow…Hail…Drizzle…
    • How do you think precipitation could affect natural landscapes?
    • Erosion – rainfall wears away soils and rocks
    • Helps grow vegetation
    • Creates flooding which erodes, transports and deposits soil particles.
  • 9. Precipitation: draw a simplified version
  • 10. evaporation Water condenses Rainfall This enters the rivers, glaciers, streams, lakes, ground water, oceans to complete the system Simplified water cycle
  • 11. Types of Rainfall: Orographic Moist air forced to rise Rain shadow on leeward side Air warms as it descends Air cools as it rises Rain Dry
  • 12.
    • Where could orographic rainfall occur in NZ?
    • - West side of the mountain ranges
    • Where would the rain shadows be?
    • - Eastern side of the mountain ranges
    • What does leeward mean?
    • lee – shelterd area
    • Leeward – the sheltered side of something. Eg the Desert Road is the sheltered (leeward) side of Mt Ruapehu.
    Write generalisations to answer these questions
  • 13. Warm Surface Warm moist air rising Altitude Convectional Rainfall Types of Rainfall: Convectional
  • 14. Types of Rainfall: Frontal – cold front Narrow bank of heavy rain Cumulus Cumulonimbus Squalls Cold air (denser) Warm air (less dense) Frontal surface
  • 15. Types of Rainfall: Frontal – warm front Drizzle Warmer air nimbostratus Frontal surface Wide band of heavy rain Cooler air (denser)
  • 16. Vegetation: Complete a word square for TUSSOCK Draw a picture of the word. Write your own definition of the word. Write the word in a sentence. TUSSOCK
  • 17. Vegetation: Complete a word square for Beech Forest
  • 18. Vegetation: Complete a word square for Lichens
  • 19. Tell the person beside you how orographic rainfall occurs.
  • 20.
    • Reflection
    • Have you achieved today’s Learning Intention?
    • Write down any questions that you have from today’s lesson.
    • In your groups, work out the question you can’t answer.
    Learning Intention: To be able to describe different climatic processes
  • 21.
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