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Physical Geography > Chapter 12 > Flashcards

Chapter 12 Flashcards

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1
Q

What is the depositional plain at the mouth of the Mississippi River called?

A

Delta Basin

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2
Q

What is Deposition?

A

When material transported by a river is deposited.

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3
Q

What is Erosion?

A

When water dislodges, dissolves, or removes weathered surface material. Think caves or the Grand Canyon

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4
Q

How do you find river volume?

A

width x depth x stream velocity

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5
Q

What is a drainage basin?

A

Confined by ridges, it defines the stream into which the basin water will flow.

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6
Q

What is a Water Shed?

A

The catchment area if a drainage basin

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7
Q

What is a Continental Devide?

A

Separate drainage basins that empty into different bodies of water surrounding a cotenant

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8
Q

What are the different drainage patterns?

A

Dendritic, Trellis, Radial, Parallel, Rectangular, Annular

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9
Q

Who coined the stream orders?

A

Strahler

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10
Q

What load is settled at the bottom of a stream?

A

Streambed

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11
Q

What load floats around in the water?

A

Suspended Load

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12
Q

What load do minerals and chemicals fall into?

A

Dissolved Load

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13
Q

What is the moving load on the bottom called?

A

Bed Load

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14
Q

How is the rolling grain moved by Traction?

A

By dragging materials along the streambed

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15
Q

How is the bed load moved by Saltation?

A

By bouncing particles in short hops and jumps

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16
Q

What is a Braided Stream?

A

A maze of interconnected channels formed in a river with a high sediment load

17
Q

What is a Point Bar?

A

Where the slowest moving water drops of sediment. On the bends inner side

18
Q

What is a Cut Bank?

A

Where the fastest moving water erodes the sides of the stream. On the bends outer side

19
Q

What is the general term for sediment?

A

Alluvium

20
Q

What is a Flood?

A

A high water level the overflows the natural levees along any portion of the stream.

Physical Geography (3 decks)

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