Virtual General Assembly 2021
Thu. 27.05.2021 (after-)noon – Fri. 28.05.2021 noon
Day 1 27.05.2021
13:00 – 13:15 Welcome and Introduction
13:15 – 13:50 CC
Intro H. Bockelmann
· T. Extier (MPI-M): Oceanic outgassing driven by terrestrial organic matter fluxes in MPI-ESM during the last deglaciation
· J.P Baudouin (Uni Heidelberg): "Building model-data frameworks to investigate climate variability"
13:50 – 14:40 WG3
Intro S. Mulitza
· A. Dolman (AWI): Accounting for habitat effects leads to improved agreement among PalMod reconstructions of LGM SST change.
· P. Meister (AWI): Compilation of lake sediment δ18OBSi records linked to pollen-based climate reconstructions.
· T. Kovács (MARUM): 'Evaluation of water isotope simulations of the LGM'
14:40– 15:00 Coffee Break
15:00 – 15:50 WG2
Intro
· T. Kurahashi-Nakamura (MARUM): LGM ocean states constrained by the atmospheric pCO2: simulations with CESM
· B. Liu (MPI-M): Towards constraining deglacial variations of ocean biogeochemistry: insights from a transient MPI-ESM simulation
· M. Willeit (PIK): "Transient glacial inception simulations with CLIMBER-X"
15:50 – 16:00 Coffee Break
16:00 – 17:05 WG1
Intro M. Prange
· L. Niu (AWI): Mechanisms of Ice Sheet related freshwater surges
· C. Schannwell (MPI-M): Climate forcing as important driver in controlling the synchronicity of ice-sheet surges from the Laurentide ice sheet
· D. Latinovic (MARUM): Simulations of the Last Glacial Inception
· T. Albrecht (PIK): Effects of ice-ocean-solid-earth interaction on the long-term stability of the Antarctic Ice Sheet
17:05 – 17:10 End of day 1
Day 2 28.05.2021
09:00 – 09:15 Introduction to the poster session (BOGs zoom)
09:15 – 10:00 Poster Session I
10:00 – 10:45 Poster Session II
10:45 – 11:15 Coffee Break
11:15 – 12:15 Introduction to the BOGs
- BOG1: Unsolved PalMod related issues wrt climate variability
- BOG2: Society relevant questions to be answered with transient run
- BOG3: ….
12:15 – 13:15 Final Discussion on BOGs & general discussion
Poster Session 1
1. Marlene Klockmann, Marie Kapsch & Uwe Mikolajewicz: TEASER
"How background climate and ice sheet reconstructions affect the AMOC in simulations of the Last Glacial Maximum"
2. Oliver Bothe: TEASER
a. Analog-reconstructions for millennial-scale climate (see https://cp.copernicus.org/articles/17/721/2021/)
b. Towards increased interoperability of paleoenvironmental observation data (related to an opinion piece, Bothe et al., https://doi.org/10.22498/pages.29.1.59)
c. An update on PalMod II CC.2 SP2: paleo data-model comparison by ensemble methods
d. An update on PalMod II CC.2 SP2: paleoobservational data-management within PalMod II
3. Pyrina, Moreno-Chamarro, Wagner, & Zorita: “Surface and Tropospheric Response of North Atlantic Summer Climate from Paleoclimate Simulations of the Past Millennium “
4. Uta Krebs-Kanzow, Marie Kapsch, Uwe Mikolajewicz & Gerrit Lohmann: "The surface mass balance of continental ice sheets as derived from two different EBM approaches"
5. Stefan Mulitza & Michael Langner: TEASER
„4d interpolation of paleoceanographic proxy data with PaleoDataMa“
6. Thomas Kleinen: TEASER "Methane in the climate system - From the last glacial to the future"
7. Andre Paul, Alexandre Cauquoin, Tamás Kovács, Stefan Mulitza, Thejna Tharammal, Martin Werner & Xiaoxu Shi: TEASER „Sensitivity of simulated oxygen isotopes in precipitation to Last Glacial Maximum surface conditions“
8. Martin Butzin: “Preview on marine biogeochemistry in AWI-ESM , LGM vs preindustrial - 1: C isotope“
9. Ye Ying: “Preview on marine biogeochemistry in AWI-ESM , LGM vs preindustrial - 2: Si and Fe“
10. Marie-Luise Kapsch, Uwe Mikolajewicz & Florian Ziemen: TEASER "Ocean response in transient simulations of the deglaciation dominated by underlying ice sheet reconstruction“
11. Manuel. Chevalier, Andreas Hense, Anne Dallmeyer, Ulrike Herzschuh, Nils Weitzel, Chenzhi Li, Kira Rehfeld, Jean-Philippe Baudouin: TEASER „Uncertainty-based assessment of discrete data-model biome estimates“
12. Chetankumar Jalihal & Uwe Mikolajewicz: „"Preliminary multimodel analysis of AMOC response to MIS-3 ice sheets and greenhouse forcings"
13. Mathias Zeller, Torge Martin & Arne Biastoch: TEASER "Role of eddies in the response of the Southern Ocean to enhanced AIS meltwater input"
14. Kai Himstedt & Enrico Degregori: "Model optimization for fully coupled PalMod simulations"
15. Matthias Prange, Sebastian Beyer, Dragan Latinovic, Ute Merkel: “A multi-centennial mode of LGM climate variability in CESM"
16. Sebastian Beyer: „Modeling the ice of 35ka BP”
17. Xiaoxu Shi, Martin Werner, Alexandre Cauquoin: „Pre-industrial and Last Glacial Maximum oxygen isotope simulations with AWI-ESM"
18. Swati Gehlot, Karsten Peters-von Gehlen, Andrea Lammert, & Hannes Thiemann: TEASER „PalMod-II data management - current status and outlook within CC.2@DKRZ”
19. Arne Ramisch, Alexander Brauser, Laura Schley & Achim Brauer: „Advanced age models for lake sediment records and proxy data“
Poster Session 2
1. Hu Yang: "Abrupt climate warming under persistent North Atlantic freshwater forcing"
2. Meike Bagge: TEASER “3D Earth structures and sea level predictions for coupled global climate models.“
3. Lars Ackermann: "Effect of Southern Ocean freshwater export on the AMOC in AWI-ESM"
4. Shan Xu: "Arctic Amplification during the Last Glacial Inception due to a delayed response in sea ice"
5. Beatrice Ellerhoff & Kira Rehfeld: TEASER “Timescale-dependent stability of surface air temperature and the forced temperature response”
6. Elisa Ziegler, Heather Andres, Beatrice Ellerhoff, Marie-Luise Kapsch, Steffen Kutterolf, Uwe Mikolajewicz, Julie Belo, Matthew Toohey, Christian Wirths, Nils Weitzel, & Kira Rehfeld: TEASER “State-dependency of temperature variability in transient simulations of the last Deglaciation from models of varying complexity”
7. Janica Buehler, Nils Weitzel, Jean-Philippe Baudouin, Martin Werner & Kira Rehfeld: TEASER “Last Glacial to present-day variability of surface climate from oxygen isotope signatures in speleothems and model simulations”
8. Nils Weitzel, Heather Andres, Jean-Philippe Baudouin, Oliver Bothe, Andrew Dolman, Lukas Jonkers, Marie Kapsch, Thomas Kleinen, Maximilian May, Uwe Mikolajewicz, Andre Paul, and Kira Rehfeld: TEASER “Towards model-data comparison of the deglacial temperature evolution in space and time.“
9. Jean-Philippe Baudouin, Oliver Bothe, Manuel Chevalier, Nils Weitzel, Anne Dallmeyer, Chris Brierley, & Kira Rehfeld: TEASER “Model-data comparison challenges in paleo-climate analyses: Towards an evaluation toolbox for transient climate model simulations”
10. Maximilian May, Nils Weitzel, Lukas Jonkers, Andrew Dolman & Kira Rehfeld: TEASER “Evaluating a method for reconstruction of global, zonal and regional mean temperatures from sparse proxy data“
11. Ute Merkel, Dragan Latinović, Matthias Prange: “AMOC sensitivity and the hydrologic cycle in glacial simulations with CESM”
12. Volker Klemann, Ricarda Winkelmann, Torge Martin: „WP1.4 Key processes in the physical system: focus on Antarctic and Southern Ocean“
13. Sergey Gromov, Thomas Röckmann, Benedikt Steil, Thomas Kleinen & Victor Brovkin: TEASER “Clumped air O2 isotope composition – a potential proxy for past atmospheric O3 and oxidative capacity”
14. Olga Erokhina & Uwe Mikolajewicz: TEASER “A new Eulerian iceberg module and the effect of iceberg vs. freshwater hosing on the AMOC”
15. Janine Börker & Jens Hartmann: “Weathering fluxes: Reconstruction of shelf sediments"
16. Moritz Kreuzer, Ronja Reese, Willem Huiskamp, Stefan Petri, Torsten Albrecht, Georg Feulner, Ricarda Winkelmann: TEASER “First results from coupling the Parallel Ice Sheet Model with the Modular Ocean Model via an Antarctic ice-shelf cavity module”
17. Anne Dallmeyer, Thomas Kleinen, Martin Claussen, Nils Weitzel, Ulrike Herzschuh: TEASER "Comparing simulated and reconstructed biome changes during the last 25000 years"
18. Thomas Riddick, Victor Brovkin, Stefan Hagemann, & Uwe Mikolajewicz: “Dynamic modelling of Paleolakes in MPI-ESM”
19. Benedict Philippi & Thomas Slawig: TEASER „Parareal applied to FESOM2“