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
Q

Coal rank based on

A

Bto and temperature

25
Q

Coal usage and the future

A

More is being used because there is more available

26
Q

Why is methane hydrate a good fuel source

A

Because it is cleaner and more abundant

27
Q

Volcanoes effect on the atomsphere

A

Can cause a year without summer

28
Q

Eric the red

A

Was able to sail to Greenland because of the period of warming

29
Q

Love canal

A

Where hazardous chemicals and waste were buried then a suburb was built on top of it

30
Q

Magnitude vs. intensity

A

Magnitude reflects how much energy is released. Intensity is the amount of shaking

31
Q

Viscosity of magma

A

Deals with

  1. Silicon content (affects how viscos magma is)
  2. Temperature
32
Q

Magnitude and frequency

A

Inverse relationship… 1 goes up 1 goes down

33
Q

Engineers purpose for looking at soil

A

How easy will it be to get rid of soil & build on it..

34
Q

Geothermal energy

A

Thermal energy generated and stored in the earth

35
Q

Radon gas comes from

A

The natural breakdown of uranium

36
Q

Soft water is linked to

A

Heart disease

37
Q

Vegetation and landslides

A

Vegetation has been used to limit the hazard of landslides