TNPSC Thervupettagam

Antarctic Shelf Ecosystems

January 21 , 2024 180 days 252 0
  • There was rising acidity levels of the continental shelves in Antarctic Marine Protected Areas (MPA) under high levels of greenhouse gas emissions.
  • Carbon emissions from human activities may be vertically mixed with ocean waters in coastal regions, resulting in severe acidification at all water levels.
  • The study named Severe 21st-century ocean acidification in Antarctic Marine Protected Areas.
  • The ocean helps to mitigate the effects of global warming by absorbing some of the carbon dioxide gas (CO2) that is released into the atmosphere.
  • The pH scale could decline by up to 0.36 (on the total scale) for the top 200metres of the ocean by 2100.

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