Final Flashcards

0
Q

Greenhouse effect

A

Trapping of heat in the atmosphere by water vapor, carbon dioxide and CFCs

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1
Q

Nuclear fission

A

The splitting of an atom into two or more atoms

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2
Q

Bio magnification

A

The process of mercury passing through water, to fish, to people

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3
Q

Point bar

A

Part of the stream/river that is the inside of the curve that is slower

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4
Q

Cut bank

A

Outside curve that causes erosion

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5
Q

Mass wasting

A

Downslope movement of earth materials

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6
Q

Aquitard

A

Will not let water through (ex. Clay)

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7
Q

Point source

A

Discrete and confined ( pipes that empty into streams or rivers from industrial or municipal sites)

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8
Q

Sustainability

A

Ability to keep resources available the same in the future

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9
Q

Biodiversity

A

The total number of species or the main species encountered

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10
Q

Salt water intrusion

A

Fresh groundwater may be displaced by saltwater

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11
Q

Species

A

Group of individuals capable of interbreeding

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12
Q

Unconformities

A

Represent a gap in geologic record

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13
Q

Vadose zone

A

Zone or layer above the water table in which some water may be suspended

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14
Q

Epicenter

A

The point on the surface of earth directly above the hypocenter of an earthquake area or first motion

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15
Q

Peak oil production

A

The time when about half of oil on earth will have been extracted

16
Q

S waves

A

Does not go through liquid

17
Q

P wave

A

The castes wave it can move through liquid and solid materials

18
Q

Cleavage

A

Breaks in to layers

19
Q

Mercalli scale

A

Earthquake measured in amount of damage

20
Q

Precursor event

A

Events that occur before an earthquake, flood or volcanic eruption

21
Q

Why is iron recycled so frequently?

A

There’s a huge market for it

22
Q

Surface mining is used more because…

A

It’s more economical

23
Q

Energy consumption between 1970s and 1960s

A

Increased at a slower rate

24
Coal rank based on
Bto and temperature
25
Coal usage and the future
More is being used because there is more available
26
Why is methane hydrate a good fuel source
Because it is cleaner and more abundant
27
Volcanoes effect on the atomsphere
Can cause a year without summer
28
Eric the red
Was able to sail to Greenland because of the period of warming
29
Love canal
Where hazardous chemicals and waste were buried then a suburb was built on top of it
30
Magnitude vs. intensity
Magnitude reflects how much energy is released. Intensity is the amount of shaking
31
Viscosity of magma
Deals with 1. Silicon content (affects how viscos magma is) 2. Temperature
32
Magnitude and frequency
Inverse relationship... 1 goes up 1 goes down
33
Engineers purpose for looking at soil
How easy will it be to get rid of soil & build on it..
34
Geothermal energy
Thermal energy generated and stored in the earth
35
Radon gas comes from
The natural breakdown of uranium
36
Soft water is linked to
Heart disease
37
Vegetation and landslides
Vegetation has been used to limit the hazard of landslides