TNPSC Thervupettagam

Change in color of world’s Ocean

July 21 , 2023 494 days 354 0
  • As per the recent studies, climate change has caused a change in the colour of 56 per cent of the world’s ocean.
  • It found that waters in the tropics, particularly the southern Indian Ocean, have turned green.
  • Green-coloured water indicates an increase in phytoplankton, microscopic plant-like organisms that are crucial for marine life and carbon dioxide absorption.
  • The researchers analysed data from the Moderate Resolution Imaging Spectroradiometer (MODIS) aboard the Aqua satellite.
  • It has been monitoring ocean colour for two decades.
  • They observed long-term trends and used models to simulate scenarios with and without greenhouse gas emissions.

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