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Ocean Currents Collapse Early Warning Signals Quiz

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Ocean Currents Collapse Early Warning Signals Quiz

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Questions and Answers

What is the potential implication of the collapse of the Atlantic Meridional Overturning Circulation (AMOC) on global weather?

There will be no impact on global weather patterns.

Temperatures will dramatically drop in some regions and rise in others. (correct)

Temperatures will remain stable across all regions.

Only tropical regions will experience a temperature increase.

How does the AMOC function in terms of ocean currents?

It moves warm water from the tropics to the North Atlantic where it sinks and spreads southward. (correct)

It only affects the climate of the Southern Hemisphere.

It acts as a barrier preventing warm water from reaching the Northern Hemisphere.

It has no impact on global ocean currents.

Why do scientists believe there is uncertainty regarding the potential slowdown or collapse of the AMOC?

Because there is consensus that AMOC will remain stable despite climate change.

Because AMOC has been monitored continuously since the early 1900s.

Due to the lack of knowledge about the impact of ice melting on ocean currents. (correct)

Because the temperature of the Atlantic Ocean has been decreasing steadily.

What role does the Gulf Stream play in the AMOC system?

Helps transport warm water from the tropics to the North Atlantic within AMOC. Signup and view all the answers

What research method did the scientists use to simulate a potential collapse of the AMOC?

Supercomputer and complex climate models Signup and view all the answers

What could happen to temperatures in some parts of Europe if the AMOC collapses?

Plunge by up to 30 degrees Celsius Signup and view all the answers

What impact could the collapse of the AMOC have on sea levels?

Increase by 1 meter Signup and view all the answers

What was mentioned as a factor that could dilute the Northern Atlantic Ocean and weaken the AMOC currents?

Rainfall and river runoff Signup and view all the answers

What did René van Westen emphasize was needed for further research in relation to the study?

Models mimicking climate change impacts Signup and view all the answers

According to Stefan Rahmstorf, what could happen if the Northern Atlantic Ocean is diluted with freshwater beyond a certain point?

A tipping point will be reached causing an AMOC collapse Signup and view all the answers