Dr. Michael Sigmond

Recherche et / ou projets en cours
Comprendre et prévoir la variabilité et les changements climatiques à l’aide de modèles climatiques.
- Prévisions du climat saisonnier (glace maritime dans l'Arctique et son incidence sur la surface)
- Changements de la circulation atmosphérique à grande échelle et conséquences sur le climat régional
- Incidence du trou dans la couche d’ozone sur la glace maritime de l'océan Austral et dans l'Antarctique
- Effets sur le climat local et des régions éloignées de la fonte des glaces maritimes dans l’Arctique
- Changements climatiques stratosphériques
Activités professionnelles / intérêts
Corédacteur du chapitre 4 du Rapport d’évaluation de l’appauvrissement de la couche d’ozone de l’Organisation météorologique mondial (OMM), 2014 (changements stratosphériques de l'ozone et climat)
Corédacteur du chapitre 3 du Rapport sur l'évaluation des modèles de la chimie et du climat des Processus stratosphériques et leur rôle dans le climat (SPARC), 2010 (radiation)
Corédacteur du chapitre 4 du Rapport sur l'évaluation des modèles de la chimie et du climat des Processus stratosphériques et leur rôle dans le climat (SPARC), 2010 (dynamique)
Prix et études
Ph. D., Université d’Eindhoven (Pays Bas) 2003
Maîtrise ès sciences, Université d’Utrecht (Pays Bas) 1999
Principales publications
- Sigmond, M., J. C. Fyfe, O. A. Saenko, and N. C. Swart, 2020: Ongoing AMOC and related sea level and temperature changes after achieving the Paris targets. Nat. Clim. Chang., 10, 672-677.
- Sigmond, M., J.C. Fyfe & N.C. Swart, 2018: Ice-free Arctic projections under the Paris Agreement, Nature Clim. Change, 8, 404-408
- Sigmond, M., M. C. Reader, G. M. Flato, W. J. Merryfield & A. Tivy, 2016: Skillful seasonal forecasts of Arctic sea ice retreat and advance dates in a dynamical forecast system, Geophys. Res. Lett., 43, 12457–12465.
- McCusker, K. E., J. Fyfe, & Sigmond, M., 2016: Twenty-five winters of unexpected Eurasian cooling unlikely due to Arctic sea-ice loss, Nature Geosc., 9, 838-842.
- Sigmond, M. & J.C. Fyfe, 2016: Tropical Pacific impacts on cooling North American winters, Nature Clim. Change, 6, 970-974.
- Sigmond, M. & T.G. Shepherd, 2014: Compensation between resolved wave driving and parameterized orographic gravity-wave driving of the Brewer-Dobson circulation and its response to climate change, J. Clim., 27, 5601-5610.
- Sigmond, M. & J.C. Fyfe, 2014: The Antarctic sea ice response to the ozone hole in climate models, J. Clim, 27, 1336–42.
- Sigmond, M., J. C. Fyfe, G.M. Flato, V.V. Kharin & W.J. Merryfield, 2013: Seasonal forecast skill of Arctic sea ice area in a dynamical forecast system, Geophys. Res. Lett., 40, 529-534.
- Sigmond, M., J. F. Scinocca, V.V. Kharin, T.G. Shepherd, 2013: Enhanced seasonal forecast skill following stratospheric sudden warmings, Nature Geosci., 6, 98-102.
- Sigmond, M., M. C. Reader, J.C. Fyfe & N. Gillett, 2011: Drivers of past and future Southern Ocean change: stratospheric ozone versus greenhouse gas impacts, Geophys. Res. Lett., 38, L12601.
- Kang, S.M., L.M. Polvani, J.C. Fyfe & M. Sigmond, 2011: Impact of Polar Ozone Depletion on Subtropical Precipitation, Science, 332, 951-954.
- Sigmond, M. & J. C. Fyfe, 2010: Has the ozone hole contributed to increased Antarctic sea ice extent? Geophys. Res. Lett., 37, L18502.
- Sigmond, M., J. C. Fyfe & J. F. Scinocca, 2010: Does the ocean impact the atmospheric response to stratospheric ozone depletion? Geophys. Res. Lett., 37, L12706.
- Sigmond, M. & J. F. Scinocca, 2010: The influence of basic state on the Northern Hemisphere circulation response to climate change, J. Clim., 23, 1434-1446.
- Sigmond, M., J. F. Scinocca & P. J. Kushner, 2008: Impact of the stratosphere on tropospheric climate change, Geophys. Res. Lett., 35, L12706.
- Sigmond, M., P. J. Kushner & J. F. Scinocca, 2007: Discriminating robust and non-robust atmospheric circulation responses to global warming, J. Geophys. Res., 112, D20121.
- Sigmond, M., P. C. Siegmund, E. Manzini & H. Kelder, 2004: A simulation of the separate climate effects of middle atmospheric and tropospheric CO2 doubling. J. Climate, 17(12), 2352-2367.
- Sigmond, M., P. C. Siegmund & H. Kelder, 2003: Analysis of the coupling between the stratospheric meridional wind and the surface level zonal wind during 1979-93 Northern Hemisphere extratropical winters. Clim. Dyn., 21, 211-219.
- Sigmond, M., J. Meloen & P. C. Siegmund, 2000: Stratosphere-troposphere exchange in an extratropical cyclone, calculated with a Lagrangian method. Ann. Geophys., 18, 573-582.
Sigmond, M., J. C. Fyfe, O. A. Saenko, and N. C. Swart, 2020: Ongoing AMOC and related sea level and temperature changes after achieving the Paris targets. Nat. Clim. Chang., 10, 672-677.
- Sigmond, M., J.C. Fyfe & N.C. Swart, 2018: Ice-free Arctic projections under the Paris Agreement, Nature Clim. Change, 8, 404-408
- Sigmond, M., M. C. Reader, G. M. Flato, W. J. Merryfield & A. Tivy, 2016: Skillful seasonal forecasts of Arctic sea ice retreat and advance dates in a dynamical forecast system, Geophys. Res. Lett., 43, 12457–12465.
- McCusker, K. E., J. Fyfe, & Sigmond, M., 2016: Twenty-five winters of unexpected Eurasian cooling unlikely due to Arctic sea-ice loss, Nature Geosc., 9, 838-842.
- Sigmond, M. & J.C. Fyfe, 2016: Tropical Pacific impacts on cooling North American winters, Nature Clim. Change, 6, 970-974.
- Sigmond, M. & T.G. Shepherd, 2014: Compensation between resolved wave driving and parameterized orographic gravity-wave driving of the Brewer-Dobson circulation and its response to climate change, J. Clim., 27, 5601-5610.
- Sigmond, M. & J.C. Fyfe, 2014: The Antarctic sea ice response to the ozone hole in climate models, J. Clim, 27, 1336–42.
- Sigmond, M., J. C. Fyfe, G.M. Flato, V.V. Kharin & W.J. Merryfield, 2013: Seasonal forecast skill of Arctic sea ice area in a dynamical forecast system, Geophys. Res. Lett., 40, 529-534.
- Sigmond, M., J. F. Scinocca, V.V. Kharin, T.G. Shepherd, 2013: Enhanced seasonal forecast skill following stratospheric sudden warmings, Nature Geosci., 6, 98-102.
- Sigmond, M., M. C. Reader, J.C. Fyfe & N. Gillett, 2011: Drivers of past and future Southern Ocean change: stratospheric ozone versus greenhouse gas impacts, Geophys. Res. Lett., 38, L12601.
- Kang, S.M., L.M. Polvani, J.C. Fyfe & M. Sigmond, 2011: Impact of Polar Ozone Depletion on Subtropical Precipitation, Science, 332, 951-954.
- Sigmond, M. & J. C. Fyfe, 2010: Has the ozone hole contributed to increased Antarctic sea ice extent? Geophys. Res. Lett., 37, L18502.
- Sigmond, M., J. C. Fyfe & J. F. Scinocca, 2010: Does the ocean impact the atmospheric response to stratospheric ozone depletion? Geophys. Res. Lett., 37, L12706.
- Sigmond, M. & J. F. Scinocca, 2010: The influence of basic state on the Northern Hemisphere circulation response to climate change, J. Clim., 23, 1434-1446.
- Sigmond, M., J. F. Scinocca & P. J. Kushner, 2008: Impact of the stratosphere on tropospheric climate change, Geophys. Res. Lett., 35, L12706.
- Sigmond, M., P. J. Kushner & J. F. Scinocca, 2007: Discriminating robust and non-robust atmospheric circulation responses to global warming, J. Geophys. Res., 112, D20121.
- Sigmond, M., P. C. Siegmund, E. Manzini & H. Kelder, 2004: A simulation of the separate climate effects of middle atmospheric and tropospheric CO2 doubling. J. Climate, 17(12), 2352-2367.
- Sigmond, M., P. C. Siegmund & H. Kelder, 2003: Analysis of the coupling between the stratospheric meridional wind and the surface level zonal wind during 1979-93 Northern Hemisphere extratropical winters. Clim. Dyn., 21, 211-219.
- Sigmond, M., J. Meloen & P. C. Siegmund, 2000: Stratosphere-troposphere exchange in an extratropical cyclone, calculated with a Lagrangian method. Ann. Geophys., 18, 573-582.
Contact
Installation de recherche
Expertise
Affiliations
Professeur auxiliaire, School of Earth and Ocean Sciences, University of Victoria
Société canadienne de météorologie et d'océanographie (membre)
American Geophysical Union (membre)
American Meteorological Society (membre)