Climate Patterns And Processes


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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)
  • Climate Patterns And Processes

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