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Sea Ice Age Depicts Fundamental Changes in Ice Cover

Sea Ice Age Depicts Fundamental Changes in Ice Cover Extreme loss of the oldest and thickest ice types since the 1990s. Who/What/Where/When/Why. MEaSUREs Project: Development of NH Snow & Ice Climate Data Records (Lead PI: D. Robinson, Rutgers Univ.; U. of Colorado PI: C. Fowler)

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Sea Ice Age Depicts Fundamental Changes in Ice Cover

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  1. Sea Ice Age Depicts Fundamental Changes in Ice Cover Extreme loss of the oldest and thickest ice types since the 1990s Who/What/Where/When/Why • MEaSUREs Project: Development of NH Snow & Ice Climate Data Records (Lead PI: D. Robinson, Rutgers Univ.; U. of Colorado PI: C. Fowler) • Project and Data: Merging of satellite (AVHRR, SMMR, SSM/I, AMSR-E) and International Arctic Buoy Program buoy data to calculate the number of years that sea ice survives in the Arctic. • Generated a 33-year data record of ice age current through Sept. 2011. • Provides a unique view of changes in key sea ice parameters related to age (thickness, type, salinity, etc.) Time series and maps of ice age • Impacts • Describes fundamental changes in ice coverage from the 1980s onward, showing overall loss of the oldest ice types, with some recovery since 2008. • Easily understandable forms and graphics that are effective at illustrating arctic change to the public. • Science Application • Analyses of sea ice trends, investigations of relationships to other parameters such as ice thickness and albedo, and climate model evaluation. • Relevance to NASA • Contributes to basic understanding of the Arctic climate system. • Used to help evaluate and improve sea ice and climate models. • Relevant for ice forecasting, shipping, coastal ice hazards, wildlife habitat. • Further Information • contact: cfowler@colorado.edu • Website: snowcover.org

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