Atmosphere and Climate Change

1
Chapter 13

• Atmosphere and Climate Change

2
Weather vs. climeate

• Weather what it is like right now in this place
  
• Climate what you would expect in this area on
  average

3
What factors determine climate?

• 1) Latitude How?
• 2) Atmospheric circulation How?
• 3) Oceanic Circulation Patterns How?
• 4) Topography How? (Temperatures fall by about
  6C (about 11F) for every 1,000 m increase in
  elevation.)
• 5) Others sun and volcanic eruptions

4
Seasonal Changes in Climate
5
Atmospheric Circulation
6
Topography
7
Ozone

• What is Ozone?
• CFCs affect ozone how?
• What is the ozone hole?
• How does ozone depletion affect us?
• How can we protect the ozone?

8
The Ozone Hole
9
Effects of Ozone Thinning on Humans
10
Effects of Ozone Thinning of Animals and Plants
11
Protecting the Ozone Layer
12
Global warming

• What is global warming?
• What is greenhouse effect? Is it good?
• What are the most common greenhouse gases?

13
The Greenhouse Effect
14
Rising Carbon Dioxide Levels
15
How Certain is Global Warming
16
Consequences of warmer earth?

• Melting ice
• Rising sea levels
• Change in weather patterns
• Human health problems
• Problems with agriculture
• Effects on plants and animals

17
Reducing the Risk