Weather Patterns

Weather patterns such as wind, affect the arctic ice. Two principle climate indexes, the Arctic Oscillation and Pacific Decadal Oscillation, have shifted temporarily to move some of the older and thicker ice away farther from the basin which gives more summer open water to absorb solar radiation (Lindsay, Zhang, 2005). More rain than before is increasing the amount of bare sea ice with lower albedo again contributing to a positive feedback of melting.


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