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A Loss for Ocean Research

May 29, 2014 by Admin Leave a Comment

  • World’s most advanced submersibles Nereus broke down due to water pressure and leading to a chain reaction.
  • The ongoing projects and future projects are at stake.
  • Nereus was designed to explore as part of a US National Science Foundation (NSF) programme, the hadal zone one of the least explored regions on Earth
  • In Pacific’s Mariana Trench Nereus discovered a new species of anemone but systematic exploration has been lacking, leading in 2011 to the creation of the NSF project
  • The aim was to determine the composition and distribution of hadal species, and the role of hadal pressures, food supply and trench topography on community structure.
  • Tim Shank, a biologist at the WHOI is the chief scientist on the expedition, researchers measured the metabolic rates of invertebrates
  • A blog posted by one of WHOI scientists explains how during a dive to 4,000 metres, Nereus measured how much oxygen different deep-ocean organisms breathe over time
  • The study tries to answer how metabolic rates differ among species as they descend into the trench and to know if trenches are carbon sinks
  • Read at: http://www.thehindu.com/todays-paper/tp-features/tp-sci-tech-and-agri/a-loss-for-ocean-research/article6059192.ece

Exams Perspective:

  1. Abyssmal Zone
  2. Submersibles
  3. Hadal zone
  4. Mariana Trench

 

Filed Under: Current Affairs, Science and Technology Tagged With: Abyssmal Zone, Hadal zone, Mariana Trench, Submersibles

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