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Meteorology > Climate Change > Flashcards

Climate Change Flashcards

1
Q

How do undersea volcanoes affect climate?

A

They warm the oceans

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2
Q

Intermediate term solar radiation

A

Decadal

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3
Q

Positive feedback mechanisms

A

Water vapor, carbon dioxide, methane

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4
Q

When was the medieval warm period?

A

900 to 1400 A.D.

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5
Q

How far back do you varves take us?

A

13,000 years

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6
Q

Negative feedback

A

Cooling

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7
Q

Negative feedback mechanisms

A

Snow/ice, high altitude particles, clouds

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8
Q

What are the major science of climate change?

A

Strong trend of warming or cooling over many decades
Changing the timing of precipitation or snow events
Increased variability in the weather

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9
Q

How do volcanic corruption’s affect climate?

A

Short term climate cooling

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10
Q

What is the Holocene epoch

A

End of last glacial period

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11
Q

Positive feedback

A

Warming

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12
Q

What variables affects long-term solar radiation?

A

Changes in earths orbital geometry

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13
Q

When was the end of the last glacial period?

A

11,700 years ago

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14
Q

What happened from 1977 to 1998?

A

There was warming

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15
Q

What is the Pleistocene epoch period?

A

20 glacial periods and warm interglacial periods

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16
Q

Which oxygen isotopes are temperature sensitive?

A

O-18/O-16

17
Q

What happened from 1998 to 2012?

A

There was a flat/cooling trend

18
Q

What are varves?

A

Lake bottom sediments

19
Q

What is the mid-Holocene maximum?

A

A warm period of 6000 years ago

20
Q

What is dendrochronology?

A

The study of tree rings in the annual growth of trees

21
Q

What happened from 1948 to 1977?

A

There was cooling

22
Q

How far back do you oxygen isotopes take us?

A

750,000 years ago

23
Q

What was the Little Ice Age?

A

Cold weather in Europe, North America

24
Q

Varves are ____ during spring and summer and _____ during autumn and winter

A

Light, dark

25
Q

How much of the arctic sea ice retreated since 1979?

A

20%

26
Q

How do you ocean currents affect climate change?

A

Conveyor belt moves warm and cold water parcels but paths change

27
Q

How far back to you whether records go?

A

150 years

28
Q

What are some short term solar radiation variables?

A

The sunspots Cycle

29
Q

When was the Little Ice Age?

A

1450 to 1850 AD

30
Q

How far do historical documents and paintings go back regarding weather?

A

5000 years

31
Q

How far back does dendrochronology take us?

A

9000 years

32
Q

Where are temperature sensitive oxygen isotopes found?

A

Lake/ocean for settlement, Greenland and Antarctica ice course, cave deposits, ancient corals

33
Q

How was Paul and used to determine past climate change?

A

Past pollen indicates a types of abundance of plants which is climate sensitive

34
Q

What happened from 1900 to 1945?

A

There was minor warming

Meteorology (20 decks)

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