2017 Cross WG Workshop Presentations Arctic and Southern Ocean Heat and Freshwater Budgets Welcome and ice sheet freshwater forcing Jan Lenaerts Sea ice update Dave Bailey, NCAR-CGD | Marika Holland, NCAR-CGD Structural uncertainty in Southern Ocean simulations David Schneider, NCAR-CGD Southern and Arctic Ocean heat budgets Jen Kay Arctic rivers Dave Lawrence, NCAR-CGD | Sean Swenson, NCAR-CGD Climate Engineering Cross Working Group Session Maximum afforestation / deforestation scenarios Peter Lawrence, NCAR-CGD WACCM work on SRM, Large ensemble simulations Yaga Richter, NCAR-CGD | Mike Mills, NCAR-ACOM | Simone Tilmes, NCAR-ACOM/CGD Scenarios Simone Tilmes, NCAR-ACOM/CGD | Ben Sanderson, NCAR-CGD Initialized Earth System Prediction Cross Working Group Session Introduction Gokhan Danabasoglu, NCAR-CGD Initialization Initialization via ocean / coupled data assimilation Alicia Karspeck, NCAR-CGD Land initialization Ahmed Tawfik, NCAR-CGD Coupled modes and uncertainties in prediction Shang-Ping Xie Subseasonal-to-Seasonal (s2S) Timescales North American Multi-Model Ensemble (NMME) Joe Tribbia, NCAR-CGD | Ben Kirtman California drought and planetary waves Haiyan Teng, NCAR-CGD Hurricane predictions Colin Zarzycki, NCAR-CGD North Atlantic oscillation predictions Yaga Richter, NCAR-CGD Air quality prediction Louisa Emmons Seasonal-to-Decadal (S2D) Timescales Predictions focusing on the Pacific Jerry Meehl, NCAR-CGD Predictions with the Whole Atmosphere Community Climate Model (WACCM) Hanli Liu A Millennium-Scale CESM2 Ensemble to the year 3000 Cross Working Group Session Motivation, science questions, and constraints Jim Randerson Permafrost dynamics before and after 2100 Charles Koven | Dave Lawrence, NCAR-CGD Long-term ocean biogeochemical responses to sustained climate warming Matt Long, NCAR-CGD | Keith Lindsay, NCAR-CGD | Keith Moore Designing future emission scenarios Ben Sanderson Paleoclimate perspectives on simulations in deep future time speaker Simpler Models Cross Working Group Session Simpler models in CESM: Recent history and ongoing efforts Brian Medeiros, NCAR-CGD Dry dynamics and idealized physics configurations for CESM2 Isla Simpson, NCAR-CGD Aquaplanet configurations for CESM2 Jim Benedict Update on the POP "pencil" model Gokhan Danabasoglu, NCAR-CGD Causes of zonal asymmetries in tropical climate: Results from idealized CESM1 configurations Pedro DiNezio A simple land model for CESM Marysa Lague