CHAPTER 20 - CHAPTER 20 THE ATMOSPHERE: CLIMATE, CLIMATE...

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CHAPTER 20 THE ATMOSPHERE: CLIMATE, CLIMATE CHANGE AND OZONE DEPLETION I. The Atmosphere A. Atmospheric Structure 1. Locate the troposphere, tropopause, stratosphere, mesosphere, and thermosphere. 2. What is in the atmosphere? What is the chemical content of the atmosphere? B. Troposphere 1. What are the greenhouse gases and how they act to moderate the Earth's temperature 2. Cloud cover decreases the quantity of energy arriving from the sun. C. Stratosphere 1. Dynamic balance between molecular oxygen and ozone. D. Changes in Temperature as We Move Farther from Earth II. Climate versus Weather A. Define Weather 1. Air currents move due to convection currents creating weather. B. Define Climate 1. Climate creates the major conditions for biomes C. How Climate Has Changed 1. Using Ice Cores and other Data to Understand Past Climate D. How Oceans and Atmosphere Interact to Create Climate
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1. Conveyor System Fig. 21.2 This figure shows atmospheric structure and temperature. Left-hand plot shows the layers of the atmosphere, while plot on the right shows the vertical temperature profile.
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Fig. 21.3 Much of the incoming radiation from the sun is reflected back to space (30%), but the remainder is absorbed by the oceans, land, and atmosphere (70%), where it creates our weather and fuels photosynthesis. Fig. 21.4
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CHAPTER 20 - CHAPTER 20 THE ATMOSPHERE: CLIMATE, CLIMATE...

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