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2013/14 Itinerary
Peninsula Cruise
10 days from $4,595
Air-Cruise
Fly over the Drake Passage then join your ship in Antarctica. Fly both ways or fly one - sail one options
Across the Circle
Antarctic Peninsula, Antarctic Circle, Historic Areas - kayaking, camping
14 days from $5,499
Ross Sea in the Wake of Scott and Shackleton
Ross Ice Shelf, McMurdo Sound
29 days from $18,700
Antarctica Peninsula to the Ross Sea
Wildlife and History
rarely travelled itinerary
31 days from $24,163

 

Pressure ridge in sea-ice

A pressure ridge is formed where an ice sheet is broken and one piece rides over the other. The actual "pressure" is often provided by winds, storms or ocean currents that can be many miles distant acting on the edge of the ice sheet. So at the position of the pressure ridge itself, it can be eerily calm while huge forces are exerted through the ice itself. Such pressures are what threatened and destroyed some of the ships of the early polar explorers such as Shackleton's Endurance.

Picture courtesy of Mike Usher - Mike went on a Ross Sea expedition on board the Kapitan Khlebnikov in 2005.
You can purchase a selection of Mike's pictures here

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