Water Cycle And Water Insecurity- Climate Change Flashcards

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1
Q

Who predicts that there will be shifts in the hydrological cycle due to GHG?

A

The IPCC
Intergovernmental panel on climate change

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2
Q

What does increasing anthropogenic green house gas emissions lead to?

A

Increasing heat trapped in the atmosphere (enhanced global warming)

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3
Q

What does the enhanced global warming lead to?

A

Increasing average air temperatures and sea ice surface temperatures

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4
Q

How is the cryosphere affected by increased air temperatures and sea ice surface temperatures?

A

Decreased snow, permafrost and ice cover
Initial increase in meltwater will increase river floods during the next decades but decrease there after

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5
Q

How does anthropogenic gas emissions lead to increased risk of floods in certain areas?

A

Increased convection and evaporation
Increased condensation and cloud cover
Increased precipitation in low pressure regions in the tropics and mid-latitudes
Leading to increased flood risk in mid latitude regions

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6
Q

How can anthropogenic green house gas emissions lead to increasing incidence and severity of drought?

A

Increased intense high-pressure systems in certain seasons or high pressures regions e.g. subtropics and direr soils

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7
Q

What are the problems with predicting future climate change?

A

Not 100% sure of the future impacts of climate change

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8
Q

What were the difference between hurricane Harvey and Katrina?

A

Harvey= 14-15 trillion gallons (at august 28) 5 trillion more gallons predicted
Katrina= 6.5 trillion gallons

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9
Q

What can cause the climate to change short term?

A

Oscillations in wind patterns

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10
Q

What is an example of a influential short term change in wind patterns?

A

ENSO cycle
El Niño southern oscillation

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