The ice edge is a high-risk environment for Arctic industries

Geography Directions

By Siri Veland and Amanda Lynch, Brown University

Veland (copyright) Barrow sea ice Near shore sea ice from Barrow, Alaska June, 2014. (C) Siri Veland

Expectations of receding, thawing and melting of the Arctic have prematurely driven investments and geopolitical negotiation over Arctic marine territories and resources. The elusive mathematics of ice dynamics hamper robust forecasting and modeling, and the incongruent scales at which it is defined pose challenges for planning and coordination. Together, these form a high-risk context for Arctic industries and nations that seek to follow the ice edge northward.

Mapping sea ice
Sea ice behaves unlike other major earth surface processes. Neither purely fluid nor solid, ice does not conform to classical Newtonian physics. Fluids like water and air respond to stress continuously and evenly down to the molecular level. Solids respond to stress by deforming elastically or plastically, or by shattering. Sea ice shares characteristics with each. To represent ice in…

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