Table of Contents

1. Introduction.- 2. Recent and Future Change in the Meteorology of the Pacific Arctic.- 3. Recent Variability in Sea Ice Cover, Age and Thickness in the Pacific Arctic Region.- 4. Abrupt Climate Changes and Emerging Ice-Ocean Processes in the Pacific Region and the Bering Sea.- 5. The large scale ocean circulation and physical processes controlling Pacific-Arctic interaction.- 6. Physical oceanography, hydrography and shelf-basin exchange processes.- 7. On the Flow Through Bering Strait: A Synthesis of Model Results and Observations.- 8. Carbon Fluxes Across Boundaries in the Pacific Sector of the Arctic Ocean in a Changing Environment.- 9. Carbon Biogeochemistry of the Western Arctic:  Primary Production, Carbon Export and the Controls on Ocean Acidification.- 10. Biodiversity & Biogeography of Lower Trophic Systems in the Pacific Sector.- 11. Marine Fishes, Birds and Mammals as Sentinels of Ecosystem Variability and Reorganization in the Pacific Arctic Region.- 12. Progress and Challenges In Biogeochemical Modeling Of The Pacific Arctic Region.