worst drought in 900 years, middle east

Discussion in 'Environmental Issues' started by THALLON, Mar 8, 2016.

  1. http://www.cbc.ca/news/technology/middle-east-drought-nasa-worst-900-years-1.3475814

    A recent 14-year dry spell in the Middle East was the worst drought in the past 900 years, according to a new NASA study released this week.

    NASA's researchers examined records of rings of trees in several Mediterranean countries to determine patterns of dry and wet years across a span of 900 years. They concluded that the years from 1998 to 2012 were drier than any other period,
  2. Odd... I wonder how they know this seeing how records are very scarce older than 100 years.
  3. its the tree rings
    Abdicate likes this.

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