River Systems. I. Water Distribution 1.36 billion cubic km of water 97.2%oceans 2.15% glacial ice...
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Transcript of River Systems. I. Water Distribution 1.36 billion cubic km of water 97.2%oceans 2.15% glacial ice...
![Page 1: River Systems. I. Water Distribution 1.36 billion cubic km of water 97.2%oceans 2.15% glacial ice 0.65% lakes, streams, ground water.](https://reader036.fdocuments.us/reader036/viewer/2022062515/56649f495503460f94c6b2d1/html5/thumbnails/1.jpg)
River Systems
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I. Water Distribution
1.36 billion cubic km of water
97.2% oceans
2.15% glacial ice
0.65% lakes, streams, ground water
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II. The Hydrologic Cycle
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III. Stream Flow
A. Terms
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III. Stream Flow
A. Terms1. Laminar vs. Turbulent
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III. Stream Flow
A. Terms1. Laminar vs. Turbulent
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III. Stream Flow
A. Terms2. Velocity, Area, Discharge
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III. Stream FlowDischarge = Velocity x AreaQ = V x A
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III. Stream Flow
A. Terms3. Gradient
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III. Stream Flow
A. Terms3. Gradient
Rise = Vertical drop of the stream
Run Horizontal Distance
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Rise = Vertical drop of the stream
Run Horizontal Distance
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III. Stream Flow
B. Downstream Trends1. gradient
2. width and depth
3. discharge
4. velocity
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III. Stream Flow
B. Downstream Trends a. gradient
b. width and depth
c. discharge
d. velocity
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III. Stream Flow
B. Downstream Trends a. gradient
b. width and depth c. discharge
d. velocity
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III. Stream Flow
B. Downstream Trends a. gradient
b. width and depth c. discharge d. velocity
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III. Stream Flow
B. Downstream Trendsa. gradient b. width and depth c. discharge d. velocity
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III. Work of Running WaterA. Erosion
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III. Work of Running Water
A. Erosion1) Sheet flow
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III. Work of Running Water
A. Erosion
1) Sheet flow2) Rill flow
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3) Stream (gully) flow
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III. Work of Running WaterB. Transportation
1) dissolved load
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B. Transportation1) dissolved load2) suspended load
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B. Transportation1) dissolved load2) suspended load3) bedload
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Bed load – – Rolling
– Sliding
– Saltation
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Saltation
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IV. Features of Streams
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IV. Features of Streams
A) Waterfalls and Rapids
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IV. Features of Streams
B) Meanders
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Pointbars
Cutbanks
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IV. Features of Streams
C) Pointbars
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IV. Features of Streams
D) Cutbanks
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IV. Features of Streams
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IV. Features of Streams
E. Oxbow lakes
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IV. Features of Streams
E) Oxbow lakes
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IV. Features of StreamsF) Braided Streams
•
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G) Natural Levees
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IV. Features of StreamsH) Deltas
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H) Deltas
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IV. Features of StreamsI) Floodplains and Terraces
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V. “Other Topics”A) Drainage Patterns
1. dendritic
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V. “Other Topics”A) Drainage Patterns
1. dendritic 2. radial
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V. “Other Topics”A) Drainage Patterns
1. dendritic 2. radial
3. rectangular
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V. “Other Topics”A) Drainage Patterns
1. dendritic 2. radial
3. rectangular
4. trellis
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V. “Other Topics”A) Drainage Patterns
5. Deranged Drainage
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V. “Other Topics”A) Drainage Patterns
5. Deranged Drainage
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V. “Other Topics”B) Stream Piracy
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Stream Piracy
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Stream Piracy
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V. “Other Topics”B) Stream Piracy
C) Channelization
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Channelization
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Channelization
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Channelization
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Channelization
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Channelization
Rise = vertical dropRun horizontal distance
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Channelization
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Channelization
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Channelization
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Channelization
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Channelization
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V. “Other Topics”B) Stream Piracy
C) Channelization
D) Flood hydrograph
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HydrographA. General
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HydrographA. GeneralB. Storm Hydrograph
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