The overall goal is to acquire, for the Barrow Environmental Observatory, a comprehensive, multi-year time series of (1) the apportioning of solar radiation over the marine and terrestrial regimes and (2) the mass balance of the snow and ice. We wish to compile a dataset that can be used to:

• Study climate variability of the marine and terrestrial regimes of the North Slope of Alaska.

• Investigate the ice-albedo feedback mechanism in shorefast ice, lake ice, and tundra.

• Examine thermodynamic linkages and feedbacks between the terrestrial and marine environments.

• Develop and test single column climate models.

• Understand ecosystems and interactions between humans and environment.

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