Appendix A
Workshop Agenda & Statement of Task

Tuesday, August 24, 2010

8:00 A.M.

Breakfast

8:30 A.M.

Welcome Remarks and Workshop Goals

Jackie Grebmeier and John Priscu, Co-chairs

MORNING SESSION – Plenary presentations, 40 minute talks followed by 10 minute open discussion

8:50 A.M.

Plenary Talk 1: Jeff Severinghaus, University of California San Diego

Polar climate change: A view from ice core records

Moderator: John Priscu

9:40 A.M.

Plenary Talk 2: Sharon Stammerjohn, University of California Santa Cruz

Exploring seasonal sensitivities and feedbacks by comparing ice-atmosphere-ocean changes in regions of rapid sea ice decline

Moderator: Hugh Ducklow

10:30 A.M.

Break



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Appendix A Workshop Agenda & Statement of Task Tuesday, August 24, 2010 8:00 A.M. Breakfast 8:30 A.M. Welcome Remarks and Workshop Goals Jackie Grebmeier and John Priscu, Co-chairs MORNING SESSION – Plenary presentations, 40 minute talks followed by 10 minute open discussion 8:50 A.M. Plenary Talk 1: Jeff Severinghaus, University of California San Diego Polar climate change: A view from ice core records Moderator: John Priscu 9:40 A.M. Plenary Talk 2: Sharon Stammerjohn, University of California Santa Cruz Exploring seasonal sensitivities and feedbacks by comparing ice- atmosphere-ocean changes in regions of rapid sea ice decline Moderator: Hugh Ducklow 10:30 A.M. Break 57

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58 FRONTIERS IN UNDERSTANDING CLIMATE CHANGE AND POLAR ECOSYSTEMS 10:50 A.M. Plenary Talk 3: Glenn Juday, University of Alaska Fairbanks The biome shift now occurring in the Boreal region: characteristics and a first look at knowledge needs Moderator: Rosanne D’Arrigo 11:40 A.M. Plenary Talk 4: Patricia Yager, University of Georgia Climate and the polar marine biosphere—complex responses and emergent feedbacks Moderator: Craig Fleener 12:30 P.M. Working Lunch AFTERNOON SESSION – Working Groups and Discussion 1:30 P.M. Working Groups - Divide into 3 groups for discussion. Moderators serve as discussion leaders guiding the group through a set of suggested questions. Each group identify topics that require additional information or elaboration. Group A Moderator: Bob Bindschadler Rapporteur: Jim McClelland Group B Moderator: Jim McClintock Rapporteur: Scott Goetz Group C Moderator: Diana Wall Rapporteur: Colm Sweeney 3:30 P.M. Break 3:45 P.M. Working group rapporteurs present for 10 minutes each 4:15 P.M. Open Discussion (points of agreement and disagreement, topics needing further discussion for next day) Moderator: Cheryl Rosa 5:30 P.M. Notes and Assignments for Next Day Grebmeier and Priscu 5:40 P.M. Adjourn

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59 APPENDIX A 6:30 P.M. Dinner for workshop participants—working groups discuss issues raised in open discussion and prepare for synthesis panel (e.g. identify cross-over topics) Wednesday, August 25, 2010 8:00 A.M. Breakfast 8:30 A.M. Synthesis Panel—Moderators and Rapporteur from each working group present 5-10 minutes on cross over topics and priorities for report Open discussion of key points Moderator: Karen Frey 10:30 A.M. Break 10:45 A.M. Continued discussion and summary—identifying content for the report Moderator: Jackie Grebmeier/John Priscu 11:45 a.M. Wrap-up and Final Remarks Grebmeier and Priscu 12:00 P.M. Working Lunch 1:00 P.M. Adjourn Committee Members in closed session until 5:00 pm

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60 FRONTIERS IN UNDERSTANDING CLIMATE CHANGE AND POLAR ECOSYSTEMS STATEMENT OF TASK This workshop will explore what is known about the impacts of cli- mate change on polar ecosystems and identify what gaps or unknowns exist that will be “frontiers” for future science. Using invited presenta- tions and discussion, the workshop will have two components: a presen- tation portion that uses case examples to highlight known and anticipate impacts of changing climate in polar regions and an interactive portion designed to elicit an exchange of information on our evolving capabili- ties to study ecological systems and the big “next” questions that stand to be addressed. The workshop will look at examples and research from both terrestrial and marine ecosystems to illustrate impacts such as spe- cies movement, changes in seasonality, and feedbacks, and explore how such impacts can or cannot be shown to relate to climate parameters. The workshop will be designed to bring together polar and non-polar scien- tists to explore whether there are new capabilities available to study eco- systems in different ways that might shed new light on these questions. Participants will seek to identify (but not prioritize) areas of research and technology advances needed to better understand the changes occurring in polar ecosystems. In summary, the workshop will: • xplore a selected field of science with special polar relevance: e climate change and polar ecosystems, • consider accomplishments in that field to date, • identify emerging or important new questions, • identify important unknowns or gaps in understanding, and • llow workshop participants to identify what they see as the antici- a pated frontiers for future research in the field, including challenges and opportunities.