PAMIP Workshop
2021 PAMIP Workshop Agenda & Presentations
2021 PAMIP workshop was held virtually on March 30 - April 1. The pre-recorded video presentations and 5-minute presentations have been archived in the google drive.
• Click to download the pre-recorded video presentations (only accessible to the workshop participants) • Click to download the 5-minute presentations (pdf format) (only accessible to the workshop participants)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 | |
2019 PAMIP Workshop Agenda & Presentations
Monday, June 24 2019
| Time | Title |
|---|---|
| 17:00-19:00 | Welcome drinks (White Hart) |
| 19:00 | Dinner (White Hart) |
Tuesday, June 25 2019
| Time | Presenter | Title | Presentation |
|---|---|---|---|
| 07:30-09:00 | Breakfast (White Hart) | ||
| 09:00-10:30 | Morning session 1 (Upper Gatehouse) Chair: James Screen | ||
| 09:00 | James Screen | Welcome and logistics | |
| 09:15 | Tido Semmler | Early results from the PAMIP experiments with ECHAM6 and OpenIFS | Download |
| 09:30 | Lantao Sun | Atmospheric circulation response to past and future polar sea ice loss in PAMIP time slice experiments | Download |
| 09:45 | Rym Msadek | Northern Hemisphere atmospheric response to Arctic sea ice reduction in the CNRM model: initial results from PAMIP experiments | Download |
| 10:00 | Masato Mori | Early results about atmospheric response to sea-ice loss using PAMIP experiments | Download |
| 10:15 | Lise Graff | Preliminary results from PAMIP simulations with the NorESM | Download |
| 10:30-11:00 | Morning break (West Wing Lounge) | ||
| 11:00-11:30 | Morning session 2 (Upper Gatehouse) Chair: Doug Smith | ||
| 11:00 | Michael Sigmond | The Canadian Earth System Model version 5 (CanESM5) and its contribution to PAMIP | Download |
| 11:15 | Shuting Yang | Factors influencing the atmospheric responses to Arctic sea ice reduction | Download |
| 11:30 | Rosie Eade | Global response to regional sea ice loss | Download |
| 11:45 | Alexandre Audette | New coordinated simulations to help explain Arctic-midlatitude linkages mediated by moist isentropic overturning atmospheric circulation responses | Download |
| 12:00 | Yannick Peings | Atmosphere-only PAMIP experiments with SC-WACCM: is this signal or noise? | Download |
| 12:15 | Elisa Manzini | The Arctic winter stratosphere in PAMIP atmosphere-only experiments | Download |
| 12:30-14:00 | Lunch (Solar) | ||
| 14:00-15:30 | Afternoon session 1 (Upper Gatehouse) Chair: Elisa Manzini | ||
| 14.00 | Gudrun Magnusdottir | Impact of the QBO on the response to Arctic sea ice loss | Download |
| 14.15 | Jinro Ukita | Importance of the stratospheric background state suggested by QBO impacts on Arctic–midlatitude climate linkage | Download |
| 14.30 | Ralf Jaiser | Improving the representation of linkages between the Arctic and mid-latitudes by implementing fast interactive ozone chemistry | Download |
| 14.45 | Jiankai Zhang | Persistent Shift of the Arctic Polar Vortex and its climate effects | Download |
| 15.00 | Yu-Chiao Liang | Atmospheric responses to Arctic sea-ice loss in high-top Whole Atmosphere Community Climate Model version 6 (WACCM6) [Pre-recorded] | Download |
| 15:30-15:45 | Afternoon break (West Wing Lounge) | ||
| 15:45-17:15 | Afternoon session 2 (Upper Gatehouse) Chair: Daniela Matei | ||
| 15.45 | Xavier Levine | Seasonal anomalies in Arctic sea ice and their association with Northern Hemisphere climate variability, on intraseasonal to interannual timescales | Download |
| 16.00 | Javier Garcia-Serrano | Multi-model assessment of the impact of Arctic sea-ice variability on the winter North Atlantic-Eurasian atmospheric circulation | Download |
| 16.15 | Steve Delhaye | Impact of an abrupt Arctic sea ice reduction in the water balance over high and mid-latitudes: a multi-model approach | Download |
| 16.30 | Guillaume Gastineau | Climate influence of sea-ice variability and its link with the tropical Pacific and Atlantic Ocean | Download |
| 16.45 | Discussion: Talking points from day 1 | ||
| 17:30-18:30 | Pre-dinner walk (meet in the Courtyard) | ||
| 19:00 | Dinner (Solar) | ||
Wednesday, June 26 2019
| Time | Presenter | Title | Presentation |
|---|---|---|---|
| 07:30-09:00 | Breakfast (White Hart) | ||
| 09:00-10:30 | Morning session 1 (Upper Gatehouse) Chair: Gudrun Magnusdottir | ||
| 09.00 | Fumiaki Ogawa | Evaluating impacts of recent sea-ice and SST changes on the Northern Hemisphere winter climate change through coordinated experiments | Download |
| 09.15 | Tido Semmler | Impact of regionally increased CO2 concentrations in coupled climate simulations | Download |
| 09.35 | Russell Blackport | Influence of Arctic Sea Ice Loss in Autumn Compared to That in Winter on the Atmospheric Circulation | Download |
| 09.45 | Yutian Wu | Are midlatitude circulation responses linearly additive to regional Arctic Amplification? Insights from an idealized Atmospheric General Circulation Model | Download |
| 10.00 | Mark England | Tropical climate responses to projected Arctic and Antarctic sea ice loss | Download |
| 10.15 | Holly Ayres | Climate Response to Projected Antarctic Sea Ice Loss | Download |
| 10:30-11:00 | Morning break (West Wing Lounge) | ||
| 11:00-11:30 | Morning session 2 (Upper Gatehouse) Chair: Jennifer Kay | ||
| 11.00 | Jin-Ho Yoon | Sensitivity of the Arctic climate forcing due to atmospheric physical parameterizations | Download |
| 11.15 | Daniela Matei | Ural Blocking, Warming Arctic and Cold Siberian spells | Download |
| 11.30 | Rohit Ghosh | Reconciling the role of Arctic Amplification and atmospheric internal variability on Eurasian winter | Download |
| 11.45 | Ruonan Zhang | Role of Eurasian snow cover in linking winter–spring Eurasian coldness to the autumn Arctic sea ice retreat | Download |
| 12.00 | James Screen | Do models underestimate the atmospheric response to Arctic sea-ice loss? | Download |
| 12.15 | Laurent Terray | Can we attribute recent changes in extremes and flow waviness to Arctic amplification? | Download |
| 12:30-14:00 | Lunch (Solar) | ||
| 14:00-15:30 | Afternoon session 1 (Upper Gatehouse) Chair: Laurent Terray | ||
| 14.00 | Jennifer Kay | The influence of clouds on Arctic Amplification | Download |
| 14.15 | Malte Stuecker | Polar amplification dominated by local forcing and feedbacks | Download |
| 14.30 | Karoline Block | Climate models disagree on the sign of total radiative feedback in the Arctic | Download |
| 14.45 | Masakazu Yoskimori | The impact of mid-high-latitude warming on tropical precipitation change | |
| 15.00 | Deepashree Dutta | A modelling study of the possible role of clouds and sea ice in strong polar amplification during warm climates | Download |
| 15:30-15:45 | Afternoon break (West Wing Lounge) | ||
| 15:45-17:15 | Afternoon session 2 (Upper Gatehouse) Chair: Paul Kushner | ||
| 15.45 | Wonsun Park | Comparison of Arctic and Antarctic response to global warming: mean state and variability | Download |
| 16.00 | Judah Cohen | Challenges for dynamical models in simulating sea ice forcing on mid-latitude weather/climate variability | Download |
| 16.15 | Hyo-Seok Park | Multi-model Arctic sea ice responses to mid-Holocene insolation forcing | Download |
| 16.30 | Discussion: Talking points from day 2 | ||
| 17:30-18:30 | Pre-dinner walk (meet in the Courtyard) | ||
| 19:00 | Dinner (Solar) | ||
Thursday, June 27 2019
| Time | Presenter | Title | Presentation |
|---|---|---|---|
| 07:30-09:00 | Breakfast (White Hart) | ||
| 09:00-10:30 | Morning session 1 (Upper Gatehouse) Chair: Rym Msadek | ||
| 09.00 | Paul Kushner | Isolating the ocean’s role in the coupled climate response to high-latitude forcing, and implications for PAMIP | Download |
| 09.15 | Lantao Sun | How much should we worry about the sea ice melting method in PAMIP? | Download |
| 09.30 | Discussion: PAMIP coupled run protocol | ||
| 10:30-11:00 | Morning break (West Wing Lounge) | ||
| 11:00-11:30 | Morning session 2 (Upper Gatehouse) Chair: James Screen | ||
| 10.30-10.45 | Doug Smith | Multi-model assessment of the mid-latitude atmospheric response to future Arctic sea ice loss | Download |
| 10-45-11:30 | Discussion: Coordinating analysis, next steps. | ||
| 11:30 | Finish; takeaway lunch available | ||
PAMIP Links
- Click on Background and Experiment Protocol to understand the PAMIP experiments. The SST and SIC forcing files used in PAMIP experiments can be downloaded there.
- Click on Data Status to track the PAMIP data information from each modeling center, including the contact information.
- Click on PAMIP Workshop for the 2019 and 2021 PAMIP workshop agenda and presentations.
- To see a list of PAMIP papers or projects click on Publications or On-going Projects.
- Click on Known issues for information regarding problems discovered.
- Sign up for the official PAMIP google group. Discussion on PAMIP can be also posted on Slack Workspace.