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2020 Was 8th Warmest Year Since 1901

  • IASbaba
  • January 6, 2021
  • 0
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2020 Was 8th Warmest Year Since 1901

Part of: GS Prelims and GS-III – Climate

In news 

  • A statement on Climate of India during 2020 was recently released by India Meteorological Department (IMD). 
  • According to it, the year 2020 was the eighth warmest since 1901 but it was substantially lower than the highest warming observed in 2016. 

Key takeaways 

  • The past two decades – 2001-2010 and 2011-2020 – were also the warmest decades on record with anomalies of 0.23 degree Celsius and 0.34 degree Celsius respectively, indicating the overall rising temperature.
  • 12 out of the 15 warmest years since 1901 were during the past 15 years itself – between 2006 and 2020.
  • India’s average annual mean temperature during 1901-2020 showed an increasing trend of 0.62 degree Celsius per 100 years. 
  • It also showed significant increasing trend in maximum temperature (0.99 degree C/100 years) and relatively lower increasing trend (0.24 degree C/100 years) in minimum temperature.
  • During 2020, annual mean land surface air temperature averaged was 0.29 degree Celsius above normal (based on the data of 1981-2010).
  • The five warmest years on record in order were: 2016, 2009, 2017, 2010, and 2015.
  • The 2020 Northeast monsoon season (October-December) rainfall over the country as a whole was normal (101% of LPA).

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