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Why in news: Research shows that Arctic is warming four times faster than the rest of the planet Recently Arctic amplification has led to harsh winters in U.S., Summer heat waves in Europe and Floods in Pakistan.
ARCTIC AMPLIFICATION: Ramped up warming taking place in world , north of 67 degrees N latitude.
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Theories of Arctic Amplification
Wavier jet stream
Polar vortex
Wave resonance
Where to use?
Paper 1 (Important Geophysical phenomenon, Climate change) Paper 3 (Environment)
Paper I (Geography Optional : Atmospheric circulation, Jet Streams, Global Climatic Change)