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Rarotonga, Cook Islands

Rarotonga, Cook Islands was recently added to the itinerary, because of flight plan changes. The initial plan was to fly to Pago Pago, American Samoa, however due to the location of the ash cloud from the Chilean volcano, the flight plan was changed to include Rarotonga.

Rarotonga is the largest of the 15  islands in the Cook Islands, and home to the Rarotonga International Airport, which is able to provide the services needed for the GV during the stop-over. Complete aviation services are hard to come by in the South Pacific!

Additionally, a local air charter, Air Rarotonga, has been taking air samples for the National Oceanic and Atmospheric Administration (NOAA) for the last few years. The local community has been very welcoming to the HIPPO project and they are excited to have it visit for a few days, which is very much appreciated by the entire HIPPO crew.

Rarotonga, Cook Islands Weather

Rarotonga on GE


HIPPO is a landmark study for many reasons, not the least of which is it is the first time scientists have systematically mapped global distribution of carbon dioxide and other greenhouse gases in the atmosphere, covering the full troposphere in all seasons and multiple years.

  • HIPPO I :: 8 January-30 January 2009
  • HIPPO II :: 31 October-22 November 2009
  • HIPPO III :: 24 March-16 April 2010
  • HIPPO IV :: 14 June-11 July 2011
  • HIPPO V :: 9 August-9 September 2011