Understanding Climate Change and Its Impact on Precipitation

What has been the trend in average annual global precipitation since 1900?

• It has remained the same.

• It has decreased by about a half an inch.

• It has increased by about 2.4 inches.

• It has increased by about a half an inch.

How does the atmosphere act in a warming climate according to the sponge analogy?

• It absorbs more water but releases less rain.

• It absorbs less water and releases less rain.

• It absorbs less water and releases more rain.

• It absorbs more water and releases more rain.

What is the Hadley cell's role in global precipitation patterns?

• It makes tropical latitudes dry and subtropical latitudes wet.

• It makes tropical latitudes wet and subtropical latitudes dry.

• It only affects the polar regions.

• It has no effect on precipitation patterns.

What is a key difference in precipitation patterns between California and the Mediterranean region?

• Both regions are expected to get drier.

• California is expected to get drier, while the Mediterranean will get wetter.

• Both regions are expected to get wetter.

• California is not expected to see much less precipitation, while the Mediterranean will get drier.

What is hydroclimate whiplash?

• A phenomenon where climate change causes only droughts.

• A phenomenon where climate change causes only floods.

• A phenomenon unrelated to climate change.

• A phenomenon where climate change intensifies both droughts and floods.

What historical event is used to illustrate the risk of future megafloods?

• The great flood of 1900.

• The great flood of 2000.

• The great flood of 1800.

• The great flood of 1861/62.

What is ARkStorm?

• A historical storm that occurred in 1900.

• A fictional storm in a movie.

• A type of hurricane.

• A potential future megaflood event.

How often do large flood events occur in California according to the paleoclimate record?

• Every 10 years.

• Every 50 years.

• Every 100 or 200 years.

• Every 500 years.

What is the main cause of the increased risk of megafloods in California?

• Warmer atmosphere holding more moisture.

• Increased agricultural activities.

• Increased urbanization.

• Deforestation.

What adaptation strategy is suggested to manage future megafloods?

• Building more big dams.

• Expanding aquifer recharge and floodplains.

• Ignoring the risk of megafloods.

• Constructing higher flood walls.