Cryogenic Indicator of Climate Change Factors

Which one of the following provides the Cryogenic Indicator of Climate Change?

  1. Ice core
  2. Fossilized pollen
  3. Tree ring growth
  4. Evaporite deposits
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  • 1 Answer(s)

    Option 1 Ice Core is the right answer.
    An ice core is a core sample that is typically removed from an ice sheet, most commonly from the polar ice caps of Antarctica, Greenland or from high mountain glaciers elsewhere. As the ice forms from the incremental buildup of annual layers of snow, lower layers are older than upper, and an ice core contains ice formed over a range of years. The properties of the ice and the recrystallized clarification needed  inclusions within the ice can then be used to reconstruct a climatic record over the age range of the core, normally through isotopic analysis. This enables the reconstruction of local temperature records and the history of atmospheric composition

    Harsh Vardhan Professor Answered on 12th May 2015.
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