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Faculty of Mathematics

 

Research interests

Sebastian Schemm is a member of the Atmosphere-Ocean Dynamics group at DAMTP. His research interests are in the field of atmospheric sciences. In particular, the physics and dynamics of weather and climate in the extratropics across spatio-temporal scales from turbulence to synoptic- and to planetary scales. A second interest is in high resolution atmospheric modelling and some machine learning. This involves modeling at different complexity, the use of observations, basic theory and the development of diagnostic tools.

In recent years, research has focused on the life cycle of extratropical cyclones, the dynamics of the jet stream and the storm tracks, Rossby waves and teleconnection patterns. Beyond these topics, ongoing research is on parameter estimations using data assimilation in LES simulations, diabatic modification of the atmospheric circulation, data-driven parameterisations and km-scale global models.

He received an ERC Starting Grant (2020–2024), the European Meteorological Society's Young Researcher Medaille (2019), is co-editor of the EGU journal Weather and Climate Dynamics and of the Quarterly Journal of the Royal Meteorological Society. In 2025, he received the DFG Heisenberg Fellowship.


Key publications

Jet stream dynamics from a potential vorticity gradient perspective: The method and its application to a kilometre‐scale simulation
Bukenberger, M., S. Rüdisühli, and S. Schemm Quarterly Journal of the Royal Meteorological Society, 149(755), 2409–2432, (2023).
Toward eliminating the decades-old “too zonal and too equatorward” storm-track bias in climate models
Schemm, S. Journal of Advances in Modeling Earth Systems, 15, e2022MS003482, (2023).
Editor Highlight, Top 10 most-cited papers in JAMES in 2023, doi: 10.1029/2022MS003482
When during their life cycle are extratropical cyclones attended by fronts?
Schemm, S., M. Sprenger, and H. Wernli, Bulletin of the American Meteorological Society, 99, 149-165, (2018).

 

See ORCID for a complete list.


Career

At DAMTP, I am a Heisenberg Fellow, which is regarded similar to a non-permanent associated professor. Previously, I led an ERC Starting Grant-funded research group at ETH Zurich as an assistant professor and was as a postdoctoral researcher at the Laboratoire de météorologie dynamique (LMD), l'École Normale Supérieure (ENS) de Paris, and the University of Bergen, Norway.

  • 2025               Heisenberg Fellow, DAMTP, University of Cambrige, UK.
  • 2020 – 2024   ERC StG-funded Assistant Professor (without tenure track), ETH Zurich.
  • 2019 – 2020   Researcher at ETH Zurich and Visiting Professor at University of Vienna.
  • 2017 – 2018   Postdoctoral researcher LMD, ENS, Paris (SNSF funded).
  • 2014 – 2017   Postdoctoral researcher University of Bergen, Norway.
  • 2010 – 2013   PhD at ETH Zurich, CH.

 

 

Publications

Climate change-induced jet variability over the North Atlantic: Trends and drivers
A Hermoso, S Schemm
(2022)
Disentangling diabatic and adiabatic drivers during the life cycle of a jet streak from a Lagrangian PV-gradient perspective
M Bukenberger, S Schemm, S Rüdisühli
(2022)
Storm track response to uniform global warming downstream of an idealized sea surface temperature front
S Schemm, L Papritz, G Rivière
– Weather and Climate Dynamics
(2022)
3,
601
Changes to the Earth’s energy budget due to global forestation and deforestation affect remote climate via adjusted atmosphere and ocean circulation
R Portmann, U Beyerle, E Davin, E Fischer, S De Hertog, S Schemm
(2022)
Storm track response to uniform global warming downstream of an idealized sea surface temperature front
S Schemm, L Papritz, G Rivière
(2022)
A global analysis of the dry-dynamic forcing during cyclone growth and propagation
P Besson, LJ Fischer, S Schemm, M Sprenger
– Weather and Climate Dynamics
(2021)
2,
991
Supplementary material to "A global analysis of the dry-dynamic forcing during cyclone growth and propagation"
P Besson, LJ Fischer, S Schemm, M Sprenger
(2021)
A global analysis of the dry-dynamic forcing during cyclone growth and propagation
P Besson, LJ Fischer, S Schemm, M Sprenger
(2021)
Quantifying the circulation induced by convective clouds in kilometer-scale simulations
A Oertel, S Schemm
– Quarterly journal of the Royal Meteorological Society. Royal Meteorological Society (Great Britain)
(2021)
147,
1752
The storm-track suppression over the western North Pacific from a cyclone life-cycle perspective
S Schemm, H Wernli, H Binder
– Weather and Climate Dynamics
(2021)
2,
55
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