Project Details
TRR 181: Energy transfers in Atmosphere and Ocean
Subject Area
Geosciences
Mathematics
Mathematics
Term
since 2016
Website
Homepage
Project identifier
Deutsche Forschungsgemeinschaft (DFG) - Project number 274762653
At present, climate models feature energetic inconsistencies, with an error equivalent in magnitude to the energy imbalance of the Earth’s climate system due to anthropogenic greenhouse gas emissions. This leads to biases in the models and limits their ability to predict climate-relevant processes and mechanisms which ultimately affects climate projections. To resolve these shortcomings, we urgently need to address model inconsistencies of numerical and mathematical nature by deepening the physical understanding of energy transfers between the three main dynamical regimes in the atmosphere and the ocean, i.e. small-scale turbulence, gravity waves and geostrophically balanced motion. This CRC assembles expertise in observational and theoretical physical oceanography and meteorology, numerical modelling, and mathematics toi. develop the necessary understanding of the energy transfers between the different dynamical regimes of the atmosphere and the ocean,i. develop, test and implement new and energetically consistent parameterizations in ocean, atmosphere and coupled models,ii. develop numerical and mathematical methods featuring consistent energetics.By resolving the dilemma of missing understanding and inconsistent atmosphere and ocean models with large biases by the past and future work of this CRC, it is our vision to subsequently establish an energetically consistent framework of the coupled climate system and to develop physically, mathematically and numerically consistent models for both the atmosphere and the ocean.Successful steps towards our goal of energetically consistent and improved atmosphere and ocean models have been made in the first phase of the CRC. We propose to transition now towards the second phase under the motto “from model consistency to improved accuracy of climate models'' by equipping the models with new parameterizations and numerics developed during the first phase. Novel physical and mathematical concepts and a deeper understanding taking new important processes into account will lead in the second phase to new and more accurate parameterizations and numerics that mark a further huge step towards energetically consistent models from the regional to the global scale.
DFG Programme
CRC/Transregios
International Connection
United Kingdom
Current projects
- 01 - Dynamical systems methods and reduced models in geophysical fluid dynamics (Project Heads Gasser, Ingenuin ; Rademacher, Jens )
- 02 - Systematic multi-scale modelling and analysis for geophysical flow (Project Heads Behrens, Jörn ; Rademacher, Jens )
- 03 - Toward consistent sub-grid momentum closures (Project Heads Gaßmann, Almut ; Juricke, Stephan ; Korn, Peter ; Oliver, Marcel )
- 05 - Reducing spurious diapycnal mixing in ocean models (Project Heads Danilov, Sergey ; Iske, Armin ; Klingbeil, Knut )
- 07 - Dynamics of geophysical problems in turbulent regimes (Project Heads Nobili, Camilla ; Rademacher, Jens )
- 08 - Ocean surface layer energetics (Project Heads Burchard, Hans ; Carpenter, Jeffrey ; Czeschel, Lars )
- 09 - Energy transfers in gravity currents (Project Heads Kanzow, Ph.D., Torsten ; Losch, Ph.D., Martin ; Pollmann, Friederike )
- 10 - Gravity wave parameterisation for the atmosphere (Project Heads Achatz, Ulrich ; Eden, Carsten ; Lübken, Franz-Josef )
- 10 - Surface wave-driven energy fluxes at the air-sea interface (Project Heads Buckley, Ph.D., Marc ; Czeschel, Lars ; Rung, Thomas )
- 11 - Scattering and refraction of low-mode internal waves by interaction with mesoscale eddies (Project Heads Chouskey, Manita ; Köhler, Janna ; Olbers, Dirk Jürgen ; Rhein, Monika ; von Storch, Jin-Song )
- 13 - Gravity wave parameterization for the ocean (Project Heads Köhler, Janna ; Mertens, Christian ; Olbers, Dirk Jürgen ; Pollmann, Friederike )
- 13 - Internal wave energy dissipation and wavenumber spectra: adaptive sampling in the ocean interior (Project Heads Bachmayer, Ph.D., Ralf ; Walter, Maren )
- 13 - Spectral energy fluxes by wave-wave interactions (Project Heads Eden, Carsten ; Olbers, Dirk Jürgen ; Zagar, Ph.D., Nedjeljka )
- 15 - The interior energy pathway: internal wave emission by quasi-balanced flows (Project Heads Oliver, Marcel ; von Storch, Jin-Song ; Zagar, Ph.D., Nedjeljka )
- 16 - Meso- to submesoscale turbulence in the ocean (Project Heads Griesel, Alexa ; Walter, Maren )
- 16 - Energy-consistent ocean-atmosphere coupling (Project Heads Brüggemann, Nils ; Hohenegger, Cathy ; Juricke, Stephan ; Umlauf, Lars )
- 16 - Paleoclimate applications of mixing parameterizations in an Earth system model (Project Heads Paul, André ; Schulz, Michael )
- 17 - Diagnosis and metrics in climate models (Project Heads Burchard, Hans ; Eyring, Veronika ; Jung, Thomas ; Zagar, Ph.D., Nedjeljka )
- 18 - Improved parameterizations and numerics in climate models (Project Heads Achatz, Ulrich ; Brüggemann, Nils ; Danilov, Sergey ; Eden, Carsten ; Jungclaus, Johann ; Korn, Peter )
- 19 - Central administrative project (Project Head Eden, Carsten )
- 19 - Research training group (Project Heads Eden, Carsten ; Köhler, Janna ; Pollmann, Friederike ; Rademacher, Jens ; Walter, Maren ; Zagar, Ph.D., Nedjeljka )
- 19 - Outreach project (Project Heads Eden, Carsten ; Zagar, Ph.D., Nedjeljka )
Completed projects
- 04 - Entropy production in turbulence parameterisations (Project Heads Blender, Richard ; Gaßmann, Almut ; Lucarini, Valerio )
- 06 - Techniques for atmosphere-ocean wave coupling (Project Heads Carpenter, Jeffrey ; Hinze, Michael )
- 07 - Mesoscale energy cascades in the lower and middle atmosphere (Project Heads Becker, Erich ; Gaßmann, Almut ; Lübken, Franz-Josef )
Applicant Institution
Universität Hamburg
Co-Applicant Institution
Universität Bremen
Participating University
Constructor University Bremen; Technische Universität Hamburg
Participating Institution
Alfred-Wegener-Institut
Helmholtz-Zentrum für Polar- und Meeresforschung; Helmholtz-Zentrum Geesthacht
Zentrum für Material- und Küstenforschung GmbH
Institut für Küstenforschung (aufgelöst); Leibniz-Institut für Atmosphärenphysik an der Universität Rostock (IAP); Leibniz-Institut für Ostseeforschung Warnemünde (IOW); Max-Planck-Institut für Meteorologie (MPI-M)
Helmholtz-Zentrum für Polar- und Meeresforschung; Helmholtz-Zentrum Geesthacht
Zentrum für Material- und Küstenforschung GmbH
Institut für Küstenforschung (aufgelöst); Leibniz-Institut für Atmosphärenphysik an der Universität Rostock (IAP); Leibniz-Institut für Ostseeforschung Warnemünde (IOW); Max-Planck-Institut für Meteorologie (MPI-M)
Spokesperson
Professor Dr. Carsten Eden