Question Q.6Explain the phenomenon and discuss associated impactsGS1GS1

What are Northern and Southern lights? Explain the phenomenon and discuss their associated impacts on Earth's atmosphere and human activities.

Introduction

Northern & Southern lights are called Aurora Borealis & Aurora Australis resp seen in Northern & Southern latitudes.

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Main Body

Phenomenon Explanation:

1Sun Rays: Particle of high energy strike gas molecule of Upper atmosphere

2Electron get excited due to oxygen transfer & release energy

3Release of this energy exist in visible spectrum of EM Radiation

4Northern & Southern light seen in Upper atmosphere in higher latitude.

Associated Impacts:

1Earth's Atmosphere:

(i) Northern & Southern light: Seen in Upper atmosphere.

(ii) Loss of Atmospheric Gases: due to sufficient energy to reach escape velocity.

(iii) Disruption of ionosphere: in thermosphere.

2Human Activities:

(i) Disruption to Satellites: due to ionospheral particle disruption.

(ii) Radio disruption: ionosphere clays

(iii) Tourism: in Such region.

Aurora are beautiful features! Were also recently seen in Ladakh region due to strong Solar flares.

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Conclusion

Aurora are beautiful features! Were also recently seen in Ladakh region due to strong Solar flares.

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Page 13

Topper

Aditya Mathur

AIR 982025

Subject & Paper

GS1GS1

Topic

World Physical Geography

Phenomena

Aurora lights

Writing Stats

155

Total words

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