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Intergovernmental Panel on Climate Change (IPCC) report on Mumbai

  • September 5, 2021
  • Posted by: OptimizeIAS Team
  • Category: DPN Topics
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Intergovernmental Panel on Climate Change (IPCC) report on Mumbai

Subject: Environment

Context: Mumbai is set to experience the highest increase in total annual rainfall among Indian metropolitan cities in the 21st century, the recently released Intergovernmental Panel on Climate Change (IPCC) report warned.

Concept:

  • The city is likely to suffer from high mean temperature and sea-level rise towards the end of the century. Mumbai’s total rainfall rise is the highest in the country, followed by Delhi with about 50 per cent among metro cities.
  • If recent 1995-2014 benchmark is considered, the total rainfall is likely to increase 45 per cent in Mumbai in 2081-2100 under the worst possible emission scenario. This indicates that nearly three-fourth of the total rise in 200 years leading to 2100 will occur only in the last 85 years.
  • The analysis showed that under the worst possible emission scenario, Mumbai may have 4.6°C rise in mean temperature rise during end of current century compared to pre-industrial period

Reasons for Vulnerability of Mumbai

  • The high warming rate in Arabian Sea caters to extremely high rainfall bouts in Mumbai region, Western Ghats as well as the entire central India.
  • Urbanisation has led to the development of urban heat island effect in Mumbai that often plays a duet and catapult huge amount of rainfall,
  • The urban heat island and related weather factors often lead to huge regional variability in rainfall pattern over Mumbai.
Environment Intergovernmental Panel on Climate Change (IPCC) report on Mumbai

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