Presentations

• Andrew Westgate presents our work on multidecadal climate variability at the 2023 Fall AGU meeting
• An invited talk at the International Symposium “Topical Problems of Nonlinear Wave Physics,” September 19–22, 2021, Nizhny Novgorod, Russia.
• An invited talk at a meeting of the Greater Milwaukee Chapter of the American Meteorological Society (Winter 2020)
• VII International Conference “Frontiers of Nonlinear Physics”: (1) Singular vortices; (2) Mesoscale air–sea coupling and climate.
• 2019 European Geosciences Union General Assembly: (1) Numerical solutions of the singular value problem (poster); (2) Climatic effects of mesoscale air–sea coupling (PICO).
• Presentation at the 2018 AGU Fall meeting
• Two presentations at the 32nd International Union of Geodesy and Geophysics (IUGG) Conference on Mathematical Geophysics, Nizhny Novgorod, Russia, June 23-28, 2018: (1) Invited presentation on the multidecadal climate variability missing in CMIP5 climate models; and (2) Presentation on the multi-scale dynamics of ENSO.
• Two presentations at the 2018 European Geosciences Union General Assembly, 13–18 April, Vienna, Austria: (1) Pronounced differences between observed and CMIP5 simulated multidecadal climate variability in the twentieth century [poster]; (2)  Isolating forced signals in observations and climate model simulations [poster, supplemental animation 1 (stretched surface temperature); supplemental animation 2 (sea-surface temperature)].
• Two presentations at the International Symposium on Topical Problems in Nonlinear Wave Physics (NWP-2017), Moscow–St. Petersburg, Russia, July 22–28, 2017: presentation 1 (Tsonis and Kravtsov) on synchronization of climate modes, and presentation 2 on the disparity in multidecadal climate variability in observations and models.
• Presentation (poster, supplemental movie) at the JpGU-AGU joint meeting 2017, 20–25 May 2017, Chiba, Japan.
• Two poster presentations at the 2016 AGU Fall meeting, San Francisco, CA, December 12–16, 2016: presentation 1 on empirical modeling of surface temperature, and presentation 2 on forced vs. internal climate variability.
• Invited presentation at the Rosenstiel School of Marine and Atmospheric Science, Miami, FL, December 8, 2016: “On semi-empirical decomposition of multidecadal climate variability into forced and internally generated components.” See annotated slides here.
• Invited presentation at the Geophysical Fluid Dynamics Laboratory, Princeton, NJ, October 20, 2016: “On semi-empirical decomposition of multidecadal climate variability into forced and internally generated components.” See annotated slides here.
• Presentation at the conference “Frontiers of Nonlinear Physics,” Nizhni Novgorod, Russia, July 17–23, 2016: “Multiple climate regimes in an idealized lake–ice–atmosphere model.”
• Presentation at the conference “30 Years of Nonlinear Dynamics in Geosciences,” Rhodes, Greece 3–8 July 2016: “Multiple climate regimes in an idealized lake–ice–atmosphere model.”
• Presentation at the 2015 AGU Fall Meeting (14–18 December 2015, San Francisco, CA): “Attribution of multidecadal climate trends in observations and models.”
• Presentation at the 17th Cyclone Workshop (25–30 October 2015, Pacific Grove, CA): “Reconstructing sea-level pressure variability via a feature-tracking approach.”
• Presentation at the EaSM Investigator meeting, August 31–September 2, Bethesda, MD: “Multi-scale empirical modeling of atmospheric variability.”
• Presentation at the US AMOC International Science Team meeting, 21–24 July 2015, Bristol, UK: “Attribution of multidecadal climate trends in observations and models.”
• Presentations (presentation 1 and presentation 2) at the 2015 Marquette University Computational Sciences Symposium, Milwaukee, WI, April 21, 2015.
• Two presentations (presentation 1 and presentation 2) at the 2014 AGU Fall Meeting, San Francisco, CA 12/14/2014–12/19/2014.
• Presentation at the 2014 meeting on Topical Problems of Nonlinear Wave Physics, Nizhnij Novgorod, Russia, 07/17–07/23/2014.
• Presentation at the 2014 AGU Ocean Sciences meeting
• Presentation at the 2013 American Geophysical Union Fall meeting (annotated PPT file)
• Presentation at the V International Conference “Frontiers of Nonlinear Physics” (28 July – 2 August 2013, Nizhny Novgorod, Russia): “Kinematics of eddy–mean flow interaction in an idealized atmospheric model“
• Presentation at the European Geosciences Union 2013 General Assembly (EGU2013, Vienna, Austria: “Kinematics of eddy–mean-flow interaction in an idealized atmospheric model.“
• Invited presentations at the American Geophysical Union Fall Meeting, San Francisco, CA, December 2011: “Predictability associated with nonlinear regimes in an atmospheric model.”
• Invited seminar at the Assembly of Physical Sciences Depts. of the Institute of Oceanology, P. P. Shirshov Institute of Oceanology, Russian Academy of Sciences, Moscow, Russia, November 2011: “Long-term effects of synoptic turbulence in the ocean and atmosphere.”
• Invited seminar on studies of climatic processes, A. M. Obukhov Institute of Atmospheric Physics, Moscow, Russia, November 2011: “Teleconnections of Atlantic Multidecadal Oscillation.“
• Invited presentation at the 6th International Conference on Mathematical Modeling (ICMM-2011), Yakutsk, Russia, July 2011: “On the mechanisms of the late 20th century sea-surface temperature trends over the Southern Ocean.“
• Presentations at the European Geosciences Union 2010 General Assembly, Vienna, Austria, May 2010:

1. “An empirical model of decadal ENSO variability” (invited)
2. “Mesoscale ocean eddies and climate change over the Southern Ocean” (invited)
3. “Atlantic Multidecadal Oscillation and Northern Hemisphere climate variability” (contributed)
4. “Connecting climate variability to the water levels of Lakes Michigan and Huron” (contributed)

• Presentations at the American Geophysical Union Fall Meeting, San Francisco, CA, December 2010:

1. “Atlantic Multidecadal Oscillation and Northern Hemisphere climate variability“
2. “Predictability associated with nonlinear regimes in an atmospheric model“

• Invited presentation at the NP2.04 session of the European Geosciences Union’s General Assembly 2008: “Nonlinear Mechanisms of Interdecadal Climate Modes“
• Florida State University Dept. of Oceanography invited seminar, November 2007: “Multi-decadal Climate Variability in Observed and Modeled Surface Temperatures“
• Presentation by Michael Ghil at the AGU 2006 Fall Meeting : Nonlinear Mechanisms of Interdecadal Climate Modes: Atmospheric and Oceanic Observations, and Coupled Models
• Invited presentations at the workshop on Multidecadal to Centennial Global Climate Variability, November 15-17, 2006, Honolulu, Hawaii

1. Role of Nonlinear Processes and Multi-Scale Interactions in Mid-Latitude Decadal Climate Variability
2. Multi-decadal Climate Variability in Observed and Modeled Surface Temperatures

• Presentations at Department of Energy (DOE) Climate Change and Prediction Program (CCPP) Meeting, Spring 2006:

1. Global Warming Trend and Multi-decadal Climate variability
2. Empirical Mode reduction in an Atmospheric GCM

• Invited talks at EGU 2006 Meeting:

1. Eddy-driven decadal variability in a mid-latitude climate model
2. Bimodal behavior in the Northern Hemisphere’s zonal-mean zonal flow and its possible association with decadal-scale coupled climate variability

• Invited talks at IMAGe workshops III and IV.

1. Linear-regression-based models of nonlinear processes
2. A mechanistic model of mid-latitude decadal climate variability