PAMIP Workshop 2021
Agenda
View the agenda in PDF format:
Tuesday, March 30 2021
| Time | Presenter | Title |
|---|---|---|
| 08:00-09:00 | Session 1: Polar amplification and Arctic-midlatitude connections Chair: Clara Deser |
|
| 08:00 | Clara Deser | Welcome and logistics |
| 08:05 | Hyo-Seok Park | Opposing influences of ozone depleting substances and anthropogenic aerosols on Arctic warming over the last 65 years in NCAR CESM2 |
| 08:10 | Lei Wang | Polar Amplification in CESM is dominated by extra-polar forcing and resultant feedback |
| 08:15 | Dan Lunt | Polar amplification in paleoclimates - can paleo observations constrain CMIP6 model simulations? |
| 08:20 | James Screen | Observed statistical connections overestimate the causal effects of Arctic sea-ice changes on midlatitude winter climate |
| 08:25 | Hye-Jin Kim | Subseasonal relationship between Arctic and Eurasian surface air temperature |
| 08:30 | Yungi Hong | Warmer and less icy Arctic leading to more violent weather in mid-latitudes |
| 08:35 | Q & A session | |
| 08:45 | Break | |
| 09:00-10:30 | Session 2: Arctic-midlatitude linkages Chair: Clara Deser |
|
| 08:30 | Gang Chen | Evaluations of atmospheric variability in the PAMIP simulations |
| 08:30 | Evangelos Tyrlis | Exploring remote and local drivers of blocking activity changes in PAMIP simulations |
| 08:30 | Yannick Peings | Influence of internal variability: how to ensure results are robust? |
| 08:30 | Melissa Gervais | Identifying changes in atmospheric variability due to Arctic sea ice loss with machine learning |
| 08:30 | Qinghua Ding | Enhanced NH jet stream waviness induced by remote forcing from the tropics vs the Arctic |
| 08:30 | Mian Xu | Impact of Barents-Kara-Sea sea ice reduction on the variation of East Asian trough in late winter |
| 09:30 | Q & A session | |
| 09:40 | Break | |
| 10:00 | Break-out groups ((all groups consider the same set of questions): What are the open questions and how do we make progress on understanding: • Mechanisms of polar amplification • Atmospheric circulation response to polar amplification • Causality in Arctic-midlatitude linkages and inferences from observations Chairs: Gang Chen, Yannick Peings, Melissa Gervais, Qinghua Ding |
|
| 10:30 | Adjourn for the day | |
Wednesday, March 31 2021
| Time | Presenter | Title |
|---|---|---|
| 08:00-09:00 | Session 3: Arctic-midlatitude linkages: sensitivities and observational constraints Chair: James Screen |
|
| 08:05 | Yannick Peings | Synthesis report of the breakout groups from the previous day |
| 08:10 | Gudrun Magnusdottir | Warm Arctic, cold Siberia pattern: how deep is the projected Arctic warming? |
| 08:15 | Tido Semmler | Resolution dependency of response to Arctic sea ice decline in PAMIP |
| 08:20 | Guillaume Gastineau | Modulation of the winter atmospheric response to Arctic sea-ice loss by the Pacific decadal oscillation |
| 08:25 | Ralf Jaiser | Linkages between Arctic and mid-Latitude weather and climate: unraveling the impact of changing sea ice and sea surface temperatures |
| 08:30 | Svenya Chripko | Dynamical and thermodynamical contributions to the mid-latitude atmospheric response to Arctic sea ice decline |
| 08:30 | Doug Smith | Observationally constrained multi-model atmospheric response to future Arctic sea ice loss |
| 08:35 | Q & A session | |
| 08:45 | Break | |
| 09:00-10:30 | Session 4: Arctic-midlatitude linkages: role of the stratosphere Chair: James Screen |
|
| 08:30 | Yu-Chiao Liang | Investigating the stratospheric response to Arctic sea-ice loss in PAMIP’s transient coupled experiments |
| 08:30 | Jiankai Zhang | Impacts of Arctic stratospheric polar vortex on the East Asian Trough |
| 08:30 | Rosie Eade | Role of the QBO in response to Arctic Sea Ice Loss |
| 08:30 | Amber Walsh | Interaction between sea-ice loss, ENSO and QBO state |
| 08:30 | Lantao Sun | Uncertainty in the winter atmospheric response to Arctic sea ice loss: the role of stratospheric internal variability |
| 08:30 | Michael Sigmond | The role of the basic state, the stratospheric pathway and internal variability in the atmospheric response to sea ice loss |
| 09:30 | Q & A session | |
| 09:40 | Break | |
| 10:00 | Break-out groups ((all groups consider the same set of questions): What are the open questions and how do we make progress on understanding: • Factors influencing the response to Arctic sea ice loss • The role of stratosphere-troposphere coupling • Observational constraints Chairs: Gudrun Magnusdottir, Tido Semmler, Rosie Eade, Michael Sigmond |
|
| 10:30 | Adjourn for the day | |
Thursday, April 1 2021
| Time | Presenter | Title |
|---|---|---|
| 08:00-08:55 | Session 5: Influence of polar amplification on global climate: role of ocean-atmosphere coupling (I) Chair: Doug Smith |
|
| 08:05 | Lantao Sun | Synthesis report of the breakout groups from the previous day |
| 08:10 | Elisa Manzini | Air-sea Interactions and the atmospheric response to Arctic Sea Ice Loss |
| 08:15 | Rym Msadek | Multi-model assessment of the decadal and longer oceanic response to Arctic sea ice reduction |
| 08:20 | Wei Liu | Global climate impacts of Arctic sea ice loss: the role of ocean circulation |
| 08:25 | Paul Kushner | Are ocean-atmosphere responses to sea ice loss and greenhouse forcing separable? |
| 08:30 | Holly Ayres | The coupled climate response to Antarctic sea ice loss |
| 08:30 | Stephanie Hay | The relative roles of Arctic and Antarctic sea-ice loss in the climate response to greenhouse warming |
| 08:35 | Q & A session | |
| 08:45 | Break | |
| 08:55-10:30 | Session 6: Arctic-midlatitude linkages: role of ocean-atmosphere coupling (II) Chair: Doug Smith |
|
| 08:55 | Tiffany Shaw | The midlatitude response to polar sea ice loss and polar amplification: Idealized slab-ocean aquaplanet experiments with thermodynamic sea ice |
| 09:00 | Tien-Yiao Hsu | Does Ekman coupling explain the damping of the ITCZ shift in fully coupled Arctic sea-ice loss experiments compared to the same forcing in a slabocean model set-up? |
| 09:05 | Mark England | Artificial heating of the Arctic in sea ice loss simulations |
| 09:10 | Alexandre Audette | Design and execution of the long-coupled simulations of PAMIP Tier 3 |
| 09:15 | Q & A session | |
| 09:25 | Break-out groups ((all groups consider the same set of questions): What are the open questions and how do we make progress on understanding: • Ocean’s response to Arctic and Antarctic sea ice loss • Role of ocean-atmosphere coupling in the global climate response to polar sea ice loss • “Tug of war” between GHG-induced tropical warming and polar warming • Constraining the sea ice in the coupled PAMIP experiments Chairs: Elisa Manzini, Rym Msadek, Paul Kushner, Mark England |
|
| 09:45 | Break | |
| 10:05 | Rym Msadek | Synthesis report of the breakout groups |
| 10:10 | Closing discussion and next steps: Identify 2-3 PAMIP research priorities and group papers (led by Clara Deser) | |
| 10:30 | Workshop Adjourns | |