Define Arctic amplification. What are the factors contributing to Arctic amplification and its possible consequences?
Answer: Arctic amplification is a phenomenon of warming in Arctic at a rate much faster than in rest of the world.
According to Communications Earth & Environment journal of Finnish Meteorological Institute, Arctic is heating four times faster than the rest of the planet.
Factors contributing to Arctic amplification
- Global warming
- Increase in atmospheric water vapor and cloud cover
- More atmospheric heat transport from lower latitudes to higher latitudes
- Changes in oceanic heat content
- Declining sea ice and snow cover exposes less reflective surfaces- open seawater, bare ground, vegetated land-which absorb more solar radiation
- Increase in soot aerosol particles
- Biological activity ....
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General Studies Mains Questions And Answers
- 1 Digital transformation holds immense potential for bringing about rapid socio-economic development of rural India. Discuss.
- 2 Discuss the contribution of moderates in the Indian freedom movement by describing the various methods adopted by them.
- 3 Give an account of the evolution of the relationship between the British power and the Indian princely states during the British rule, mentioning the key developments.
- 4 Describing the importance of big dams in India, throw light on the problems associated with them. Discuss the efforts made for dam safety in the country.
- 5 Urbanization is a double-edged sword for women. Discuss the challenges faced by women in cities and describe the measures to overcome them.
- 6 What is the Model Code of Conduct? Describe the importance and challenges of Model Code of Conduct.
- 7 Discuss the functions and role of the Election Commission of India. How does the Election Commission ensure free and fair elections in India?
- 8 BIMSTEC is an important organization to strengthen India's position in South-East Asia. Mention the major obstacles to the integration of BIMSTEC.
- 9 India and the US have agreed to move forward in the field of space cooperation. Discuss the limiting factors in the path of space cooperation between the two countries and suggest ways to solve them.
- 10 The Nuclear Non-Proliferation Treaty is considered important to prevent the spread of nuclear weapons; yet India is opposed to this treaty. Explain.
