Climate Change Flashcards

1
Q

Climate

A

How the atmosphere behaves over a long period of time and space

Average regional weather pattern over decades

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2
Q

Weather

A

Conditions of the atmosphere over a short period of time

Can change witching minutes or hours

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3
Q

Temperature anomaly

A

Compare (subtract) the measured temperature from the normal (average temp) to get the anomaly

Anomalies are representative of temperature changes over large areas and distances a

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4
Q

What are the two ways to change the temperature of the earth?

A
  1. Change the amount of solar radiation reaching the earth (strength of sun or earths position to the sun)
  2. Chang the amount of greenhouse gases in the atmosphere
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5
Q

Solar cycle

A

11 year cycle where the sun brightens and darkens, relaxing various amounts of solar radiation

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6
Q

Milankovitch cycles

A

Describes how the chase of the earths orbit changes over time.

Eccentricity, precession, tilt

Highly predictable and operat eon long time scales

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7
Q

Eccentricity

A

Earths orbit changing between more circular and oval

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8
Q

Precession

A

Changes in axis direction

Parts of the earth will be warmer than others (by hemisphere)

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9
Q

Tilt

A

Change in the angle of the axis

Parts of the earth will be warmer than others

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10
Q

How does the concentration of GHG chin the atmosphere change over time

A

The natural carbon cycle, volcanoes, anthropogenic forcing

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11
Q

What’s really the cause of modern climate change?

A

Us.

It couldn’t possibly be anything else
Our observations match this cause

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12
Q

attenuate

A

The term describes how the amplitude of seismic waves gets smaller as they travel.

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