Sea Level Rise

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Sea Level Rise

  1. 1. What is this diagram showing?
  2. 2. Lesson Objective <ul><li>1.To understand the reasons for rising sea levels. </li></ul><ul><li>2. To introduce a case study to illustrate the impacts of coastal flooding. </li></ul>Underline Key Words
  3. 3. Movie Time <ul><li>http://www.youtube.com/watch?v=bffp7Sr5IBc </li></ul><ul><li>Questions: </li></ul><ul><li>How fast is the sea rising? </li></ul><ul><li>What are some of the general impacts of sea level rise? </li></ul>
  4. 4. Sea Level Rise Facts! <ul><li>How Fast? </li></ul><ul><li>Projected 1 metre approximately rise by 2100 – (91 years time) </li></ul><ul><li>Ten per cent of the world's population - about 600 million people - live in low-lying areas. </li></ul>
  5. 5. Share Our Ideas: Mind Map What is causing the sea level to rise around the world?
  6. 6. What is the graph showing us?
  7. 7. The Greenhouse Effect 1. Sun’s rays enter the Earth’s atmosphere. 2. Heat is emitted back from the Earth’s surface 3. Some heat passes back out into space. 4. But some heat is absorbed by carbon dioxide (greenhouse gas) and becomes trapped within the Earth’s atmosphere. The Earth becomes hotter as a result. Greenhouse Gases: Carbon Dioxide Methane Water Vapour Absorb infrared radiation emitted from the Earth
  8. 8. If the Earth is becoming warmer because of Global Warming what will this mean for our oceans?
  9. 9. Lets Review Objective 1 <ul><li>1.To understand the reasons for rising sea levels. </li></ul><ul><li>Task: Write a paragraph explaining why sea levels are rising around the world using the following key words. </li></ul>Carbon Dioxide Methane Greenhouse Gases Greenhouse Effect Global Warming Ice Caps
  10. 10. Tuvalu Case Study http://www.youtube.com/watch?v=fTlLDGWfAPs&feature=related <ul><li>Social = Impacts on the people. </li></ul><ul><li>Environmental = Impacts on the environment. </li></ul><ul><li>3. Economic = Impacts to money / employment / jobs </li></ul>
  11. 11. Lets review objective 2 <ul><li>2. To introduce a case study to illustrate the impacts of coastal flooding. </li></ul><ul><li>Task: Write down 2 things you know about Tuvalu and one question you have about the island. </li></ul>
  12. 12. Homework <ul><li>Find a location map for Tuvalu and describe where in the world it is located. </li></ul><ul><li>Find a news article about Tuvalu and the effects of sea level rise and bring to next lesson. </li></ul>

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