chapter 18 - Grotzinger Jordan Press Siever Understanding...

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Understanding Earth Chapter 18: STREAM TRANSPORT From Mountains to Oceans Grotzinger • Jordan • Press • Siever km 3 / year
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Summary 1. Water as a geologic agent 2. Stream hydrodynamics 3. How streams affect the areas they flow through 4. How streams change with time 5. Floods 6. Structures related to rivers 7. Sediment load
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• The stream valley is the entire area from ridge to ridge. – The cross-section is often V-shaped, but can be flat bottomed • The stream channel is actually occupied by the stream. • The floodplain is the area on either side of the channel where water overflows during floods .
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Stream Morphology Transport properties of a stream are influenced by stream geometry, flow velocity, and volume. These properties vary along the length of stream. Stream Gradient
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Rio Grande Drainage System
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Rio Grande Drainage System Sand bar across mouth of Rio Grande Gulf of Mexico Rio Grande Headwaters near Creede, CO
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(where a river starts,
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chapter 18 - Grotzinger Jordan Press Siever Understanding...

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