IPY – Why?

RATIONALE

  • Polar regions are integral components of Earth system
  • Respond to, amplify and drive changes elsewhere in system
  • The only component of climate system capable of producing rapid change
  • Repository of information on past states of planet
  • Existing programmes would benefit from burst of energy and coordination
  • Previous IPYs provide reference data for change, detection and evaluation
  • New technology / logistics provide opportunity for advance
  • New intensive campaign of observations will lay foundations for future reference