TRR 301:  The tropopause region in a changing atmosphere

• Subject Area: Geosciences
• Term: since 2021
• Website: Homepage
• Project identifier: Deutsche Forschungsgemeinschaft (DFG) - Project number 428312742

No abstract available

• DFG Programme: CRC/Transregios

Current projects

• A01 - Aerosol-Cloud inTeractIon and water Vapour transport in high UPdraft regimes (ACTIV-UP) (Project Heads Jurkat-Witschas, Tina ;  Voigt, Christiane )
• A02 - Radiative effects of convective ice clouds in the UTLS from satellite observations (SAT-ICE) (Project Heads Bugliaro, Luca ;  Voigt, Christiane )
• A03 - Aerosol nucleation in the upper troposphere (Project Heads Curtius, Joachim ;  Tost, Holger )
• A04 - Sources and processes controlling aerosol composition in the UTLS- From tropical monsoon to extratropical regions (Project Heads Borrmann, Stephan ;  Köllner, Franziska ;  Schneider, Johannes D. )
• A05 - Molecular fingerprints of organic aerosol in the UTLS region (Project Heads Hoffmann, Thorsten ;  Vogel, Alexander Lucas )
• A06 - Source apportionment of UTLS refractory aerosol and ice-nucleating particles (Project Heads Curtius, Joachim ;  Ebert, Martin ;  Kandler, Konrad )
• A07 - Processing of organic compounds in ice particles during deep convective transport into the UTLS (Project Heads Szakáll, Miklós ;  Theis, Alexander )
• B01 - Fine scale composition gradients and mixing at the tropopause region (Project Heads Hoor, Peter ;  Tost, Holger )
• B02 - Transport of aerosols and precursors from the planetary boundary layer into the UTLS- BrIdging Surface emissions, Transport and UTLS Matter (BISTUM) (Project Heads Fachinger, Friederike ;  Kandler, Konrad ;  Weigel, Ralf )
• B03 - Deep exchange with the UTLS: the Tibetan pipe (Project Heads Ahrens, Bodo ;  Schmidli, Juerg )
• B04 - Structure formation and mixing in the extratropical tropopause region (Project Heads Kunkel, Daniel ;  Wirth, Volkmar )
• B06 - Impact of small-scale dynamics on UTLS transport and mixing (Project Heads Achatz, Ulrich ;  Kunkel, Daniel ;  Schmidli, Juerg )
• B07 - Impact of cirrus clouds on tropopause structure (Project Heads Achatz, Ulrich ;  Spichtinger, Peter )
• B08 - Lagrangian analysis of the role of extratropical cyclones for UTLS aerosol and humidity (Project Head Miltenberger, Annette )
• C01 - Large scale variations of water vapour and ice supersaturated regions (Project Heads Krämer, Martina ;  Reutter, Philipp ;  Rolf, Christian )
• C02 - Deriving transport timescales in the UTLS from age tracers and the propagation of the sea-sonal cycle of CO2 (Project Heads Engel, Andreas ;  Hoor, Peter )
• C03 - Variability in UTLS transport from model age of air and impacts on composition (Project Heads Hoor, Peter ;  Plöger, Felix )
• C04 - Seasonality, variability and trends of halogenated trace gases in the UTLS (Project Head Engel, Andreas )
• C05 - Transport processes regulating the lowermost stratospheric ozone reservoir (Project Heads Birner, Thomas ;  Hoor, Peter )
• C06 - The importance of upper troposphere aerosol transport and processing for low and mid troposphere aerosol concentrations (Project Heads Curtius, Joachim ;  Possner, Anna )
• C07 - The composition of the global UTLS nowadays and at the end of the 21st century (Project Heads Jöckel, Patrick ;  Tost, Holger )
• Z01 - Central coordination and observational data synthesis (Project Head Hoor, Peter )
• Z02 - Data management and computing (Project Head Kunkel, Daniel )
• Z03 - Joint model development and modelling synthesis (Project Heads Achatz, Ulrich ;  Tost, Holger )

• Applicant Institution: Johannes Gutenberg-Universität Mainz
• Co-Applicant Institution: Goethe-Universität Frankfurt am Main
• Spokesperson: Professor Dr. Peter Hoor