HNRS 227 Lecture

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HNRS 227 Lecture 21Chapter 22

• Earths Water
• presented by Prof. Geller
• 7 November 2002

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Key Points of Chapter 22

• Water on Earth
• freshwater, surface water, groundwater, seawater
• Oceans
• waves
• currents

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Distribution of the Water
Figure 22.2
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The hydrologic cycle
2-458
Figure 22.3
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Watersheds of three rivers
22-460
Figure 22.5
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The path of groundwater
22-462
Figure 22.7
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Oceanography

• Waves and tides
• changes coastal structure
• transport of material
• long term and short term changes
• Climate control
• ocean conveyor belt
• major control of climate

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A wave passing in the open ocean
22-469
Figure 22.16
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A wave becoming a breaker
22-470
Figure 22.17
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Ocean Conveyor Belt - Major Climate Control