This page contains a list of all previous webinar presentations and, if available, a recording of the webinar.
November 8th 2021: Yona Silvy (Sorbonne Université/LOCEAN/IPSL, Paris)
Processes of anthropogenic heat emergence from ocean internal variability in the IPSL large ensemble
Additional Resources:
October 18th 2020: Dr. Nicola Maher (University of Colorado, Boulder)
The role of model-to-model differences and internal variability in causing uncertainty in climate projections
Additional Resources:
- Paper: More accurate quantification of model-to-model agreement in externally forced climatic responses over the coming century
- Paper: Quantifying the role of internal variability in the temperature we expect to observe in the coming decades
September 13th 2020: Dr. Andrea Dittus (University of Reading)
Role of aerosol forcing for recent Pacific decadal variability and other applications of large climate model ensembles
Additional Resources:
- Paper: Sensitivity of Historical Climate Simulations to Uncertain Aerosol Forcing
- SMURPHS dataset: Historical HadGEM3-GC3.1 scaled aerosol coupled ensemble
May 17th 2021: [EGU Special part 2]
- Timo Kelder: Seasonal predictions as a high-resolution large ensemble to study extreme events over recent decades
- Richard Arsenault: Calibration of a reinforcement learning method with the ClimEx large ensemble and a weather generator for water management
- Christopher Callahan: El Niño variability mediates 21st century growth effects of climate change
Additional Resources for Timo Kelder’s presentation:
- Preprint: An open workflow for the study of unseen weather extremes
- Paper: * Using UNSEEN trends to detect decadal changes in 100-year precipitation extremes*, npj Climate and Atmospheric Science 2020
- Technical documentation of the workflow
May 10th 2021: [EGU Special part 1]
- Alexandra Jahn: Forced Changes in the Arctic Freshwater Budget Emerge in the Early 21st Century
- Karin van der Wiel: Physical storylines of future European drought events like 2018 based on ensemble climate modelling
- Nicole Ritzhaupt: Robustness of projections of European precipitation for seasonal means and seasonal extremes
Additional Resources for Alexandra Jahn’s presentation:
- Paper: Forced Changes in the Arctic Freshwater Budget Emerge in the Early 21st Century, Geophysical Research Letters 2020
- Data: * Arctic Ocean freshwater fluxes and storage from simulations with the Community Earth System Model version 1.1 (CESM1.1), 2020*
- Data: CESM1 CAM5 BGC Large Ensemble
- Data: CESM Low Warming runs
March 15th 2021: Magdalena Mittermeier (LMU Munich)
Employing Neural Networks for the Detection of Vb Cyclones and their Climate Change Effects.
Additional resources:
Feburary 15th 2021: Dr. Giovanni Liguori (Monash University)
A joint role for forced and internally-driven variability in the decadal modulation of global warming
Additional resources:
November 17th 2020: Dr. Salvatore Pascale (Stanford University)
Growing risk of another Cape Town “Day Zero” drought in the twenty-first century
Additional resources:
- Paper: Increasing risk of another Cape Town “Day Zero” drought in the 21st century, PNAS 2020
- Data availability: The data that support the findings of this study are deposited in the National Centers for Environmental Information at https://doi.org/10.25921/rwe5-fw03 (SPEAR, FLOR), in the Earth System Grid Federation Node at DKRZ at https://esgf-data.dkrz.de/projects/mpi-ge/ (MPI-GE) (51), and in the NCAR’s Climate Data Gateway at https://doi.org/10.5065/d6j101d1 (52).
October 12th 2020: Dr. Laura Suarez-Gutierrez (Max Plank Institute for Meteorology)
Exploiting large ensembles for a better yet simpler climate model evaluation
Additional resources:
September 7th 2020: Dr. Karin van der Wiel (Royal Netherlands Meteorological Institute (KNMI))
Ensemble climate-impact modelling: extreme impacts from moderate meteorological conditions
Additional resources:
- Paper: Ensemble climate-impact modelling: extreme impacts from moderate meteorological conditions, Environmental Research Letters, 2020
- Paper: Meteorological conditions leading to extreme low variable renewable energy production and extreme high energy shortfall, Renewable and Sustainable Energy Reviews, 2019
- Paper: Added value of large ensemble simulations for assessing extreme river discharge in a 2 °C warmer world. Geophysical Research Letters, 2019
August 3rd 2020: Dr. Sarah Schlunegger (Princeton University)
Large Ensemble Intercomparison of Anthropogenic Changes in Marine Biogeochemistry
(presentation starts at 3:00; discussion starts at 46:00)
Additional resources:
- The Princeton Large Ensemble Archive — Documentation and links to data
- Paper: Emergence of anthropogenic signals in the ocean carbon cycle
- Paper: Time of Emergence and Large Ensemble Intercomparison for Ocean Biogeochemical Trends
July 6th 2020: Dr. John Fyfe (CCCma)
Quantifying the Influence of COVID-19 Emission Reductions on Climate, and Other Applications of the New CanESM5 Super Large Ensemble
(presentation starts at 1:38; discussion starts at 39:00)
June 8th 2020: Dr. Clara Deser (NCAR)
Isolating the Evolving Contributions of Anthropogenic Aerosols and Greenhouse Gases: A New CESM1 Large Ensemble Community Resource
(presentation starts at 2:50; discussion starts at 41:00)
Additional resources: