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Group 2

Group 2. Broad Question 1. What are the concrete products for this set of projects? compatible understandings synthesis data sets publications What are the concrete approaches for this set of projects? Project-project collaboration. Broad Question 2. Where do we want to be in 3 years?

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Group 2

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  1. Group 2

  2. Broad Question 1 • What are the concrete products for this set of projects? • compatible understandings • synthesis data sets • publications • What are the concrete approaches for this set of projects? • Project-project collaboration

  3. Broad Question 2 • Where do we want to be in 3 years? • Have time varying ‘synthesis data sets’ • Regionally-resolved

  4. Broad Question 3 • How do we get there? • Collaborative work • Combining data sets • Combining approaches

  5. ‘The Questions’ • What is the Arctic system? • See modified mollecule • H should be “Life” (L) • The E-W link defines the Arctic via ice/permafrost and latent heat / feedback interactions • E-W-C plane defines physical system • L interacts with all 3 physical components • C impacts are externally forced • Caribou farts don’t drive Arctic carbon impacts • Permafrost thaw and C release are at the mercy of global forcing • L-E-W plane is the the most Arctic of the 3 L-linked planes

  6. ‘The Questions’ • What is the trajectory? • Less ice, warmer • Are there ‘tipping points’ in the Arctic system? • Yes, but negative feedbacks exist • What are the amplifiers? • Albedo • Clouds (sometimes) • Others • What are the dampers? • Precipitation • Clouds (sometimes) • What are the interactions within the Arctic system compared to else? • Yes, ICE, is the latent heat (sink), interacting with important albedo and cloud feedbacks • How will knowledge… ??

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