GEOLOGY 322 - OCEAN SYSTEMS

Video 9 Future Climates

Human Impact on Climate:

• What are humans doing to raise the average temperature of the Earth?

Data on Climate and Climate Change:

• What is the source of data for Earth's climate in the 19th century?
• How great has the average Earth temperature rise been in the last 100 years?
• What is predicted for the next 100 years (by 2100)?
• To determine what Earth's climate was like during the last ice age, what do scientists look at?
• How much has the average temperature of earth risen since the last ice age?

Climate Models:

• Why bother to use super computers to generate climate models?
• What do satellites have to do with models of global ocean current circulation?
• How accurately do satellites measure now the surface topography of the ocean?

Antarctica:

• What did the international community do after they found out about the ozone hole?
• What is happening to ice shelves on the Antarctic Peninsula?
• What is the relationship between Temperature and CO₂ from ice core records of the last 100,000 years?

Impact on Man:

• What impact can we expect (due to global warming) on crops?
• What is the likely impact of global warming on malaria?
• What is the likely impact on sea level?

What to do:

• Name 2 possible sources of energy which do not emit greenhouse gasses