Global Geological And Climatic Events

Places in news: Danakil Depression


From UPSC perspective, the following things are important :

Prelims level : Danakil Depression

Mains level : NA

  • Microbes are known to survive almost anywhere. Scientists now believe that Danakil depression in Ethiopia is an exception.
  • New research has pointed out that bubbling pools of water and mounds of salt covering its landscape — that is too daunting even for these microorganisms.

Danakil Depression 

  • The Danakil Depression in northeastern Ethiopia is one of the world’s hottest places, as well as one of its lowest, at 100 metres below sea level.
  • At the northern end of the Great Rift Valley, and separated by live volcanoes from the Red Sea, the plain was formed by the evaporation of an inland water body.
  • All the water entering Danakil evaporates, and no streams flow out from its extreme environment. It is covered with more than 10 lakh tonnes of salt.
  • Now, a new study says that active and naturally occurring life cannot be sustained at Danakil.
  • It identifies two barriers: magnesium-dominated brines that cause cells to break down; and an environment having simultaneously very low pH and high salt, a combination that makes adaptation highly difficult.
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