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Geography 114 > Geomorphology and Hydrology > Flashcards

Geomorphology and Hydrology Flashcards

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1
Q

What is a glacier?

A

A giant body of ice that moves under its own weight

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2
Q

What is solifluction?

A

Fluxion of soil due to perma frost

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3
Q

How much carbon is stored in perma frost?

A

17,000 GT

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4
Q

What are endogenic processes?

A

Forces the cause movements beneath of at the earth’s surface

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5
Q

Exogenic processes

A

External processes that shape the land.

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6
Q

What is erosion?

A

Processes the pick-up particles

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7
Q

What is weathering?

A

Processes the break down rocks

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8
Q

What causes erosion?

A

More energy in the ground than soil

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9
Q

What causes deposition?

A

More sediment than energy

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10
Q

What is a hydrograph?

A

Graph of the water in a river over time

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11
Q

What lag time causes a flood

A

Short lag time - ie, small sponge capacity

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12
Q

What is discharge?

A

Quantity of water over time

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13
Q

What is mass wasting?

A

Downslope movement of rock, regolith, soil under the influence of gravity

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14
Q

What classifies a mass wasting event?

A

Type of material and the type of motion of the material.

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15
Q

What is the weather?

A

Day to day change in the climate

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16
Q

What is the climate?

A

Weather over time

17
Q

What causes seasonal changes?

A

Sun intensity (insolation) and reach

18
Q

What is the greenhouse effect?

A

Incoming shortwave radiation is trapped and is re-radiated to the earth.

19
Q

What is a monsoon?

A

Seasonal changes in the ppt and atmospheric circulation

20
Q

Where is there more moisture?

A

In the lowest layers of the earth

21
Q

What causes a convective cloud?

A

Air rises of its own accord

22
Q

What causes a frontal cloud?

A

Masses of air meet which are different temperatures.

23
Q

What causes wind?

A

Pressure

24
Q

What direction does wind flow?

A

From high pressure (Cold) to low pressure environments (Warm)

25
Q

What is the Coriolis effect?

A

Deflection of the wind over the earth.

26
Q

What is a cyclone?

A

Large storm

27
Q

What is a storm

A

An area of concentrated convection with ppt and strong winds.

28
Q

What is advection?

A

Horizontal convection

29
Q

What is the saturation vapor pressure?

A

The maximum water vapor that air can hold

30
Q

What is a semiriad climate?

A

Strong heat capable of supporting vegetation in an environment

31
Q

What factors affect air temperatures?

A

Topography, orientation and proximity to oceans. Affected largely by solar shortwaves.

Geography 114 (6 decks)

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