Climate Flashcards

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1
Q

Weather vs Climate?

A

weather->over a short period of time

climate->over a long period of time

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2
Q

What is the most important factor that determines climate

A

heat budget

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3
Q

2 ways ocean affects climate?

A
  1. Ocean currents

2. Nearness to ocean

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4
Q

how is the temperature of a region affected by latitude altitude and distance from ocean?

A

latitude: higher the latitude colder the temperature
altitude: higher the altitude decrease in temperature
distance from ocean: closer to ocean more moderate temp

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5
Q

what is a rain shadow and how does it form?

A

a rain shadow is a sheltered area on a mountain that does not receive prevailing winds that bring clouds and rain. (leeward side)

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6
Q

windward side vs leeward side

A

windward: traps moisture
leeward: dry, side away from mountain

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7
Q

2 influences on precipitation:

A

prevailing winds

topography

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8
Q

main causes for climate?

A

elevation: as elevation increases, temp decreases
ocean currents: warm east coast cool west coast
topography: windward sides of mtns are cooled and receive more precipitation, leward sides are warmed
nearness to large bodies of water: near to water, more moderate temperatures, higher precipitation especially on leeward side of water

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9
Q

key factors that effect climate in golden?

A

elevation

topography

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10
Q

Possible causes of climate change?

A

plate tectonics
-changes in the positions of the continents may affect wind patterns, ocean currents, solar energy

volcanoes
-dust and ash reflect solar radiation and provide condensation nuclei

human activity

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11
Q

milankovitch cycles:

A

climate change is related to changes in earths motions

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12
Q

prevailing wind direction:

A

determines windward and leeward sides of mountain ranges and oceans

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13
Q

polar cell:
Ferrell cell:
Hadley cell:

A

p: between top and 60 degrees N and S
f: 60 degrees N/S and 30 degrees N/S
h: 30 degrees N/S and equator

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14
Q

Coriolis effect

A
•earth is spinning
•the air and water are not directly attached
•an object is pushed but deflected
-to the right in northern hemispheres
-to the left in Southern Hemisphere
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15
Q

major currents in the northern Hemisphere rotate:

major currents in the Southern Hemisphere rotate:

A

clockwise

counterclockwise

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16
Q

currents coming from equator make:

A

temps along coast warmer

17
Q

currents coming from poles make:

A

temps colder along coast

18
Q

obliquity:

A

the tilt of earths axis varies between 22.5 and 24.5 (takes 41,000 yrs)

19
Q

precession:

A

earths wobble on its axis and completes a full rotation (23,000 yrs)

20
Q

factors that effect climate?

A

temperature

  • latitude(distance from equator)
  • altitude(same latitude higher elevation)
  • average pressure decreases as altitude increases

percipitation

  • prevailing winds (direction most often blowing)
  • winds from water bring moisture
  • winds from land being dry air
  • topography (mountains)