Matthias Zahn




Oral Presentations

Atmospheric water vapour transports in the tropics and their simulated changes with climate warming [Abstract]
KS-seminar talk at HZG, 12 Oct 2016, Geesthacht, Germany
Past and projected future changes of North Atlantic polar low frequency [Abstract]
Seminar talk at Uni Research and Bjerknes Centre for Climate Research while visiting Eric Kolstad, 11 Mar 2015, Bergen, Norway
Past and future changes of wind storms - latest achievements and current activities at HZG [Abstract]
at Session 6: Extreme meteorological events and their impacts in a changing climate of the REKLIM international conference 'Our climate - our future, regional perspectives on a global challenge' 8 October, 2014 in Berlin, Germany
Wind storm research at the Helmholtz Centre Geesthacht - long term changes over the Pacific in the Mesoscale Meteorology and Typhoon session of the AOGS 11th Annual Meeting on 1 Aug 2014 in the Royton Sapporo Hotel, Sapporo, Japan
Past and projected future changes of North Atlantic polar low frequency
Seminar talk at the Atmosphere and Ocean Research Institute of The University of Tokyo while visiting Wataru Yanase and his Dynamic Marine Meteorology Group. 25 Juli 2014, Kashiwanoha, Japan
Wind storm research at HZG - long-term changes from numerical models
4th REKLIM Workshop held 31 Mar - 2 Apr 2014 at Aqualux Tagungshotel, Bad Salzschlirf, Germany

Wind storm research at HZG - Coordination of storm themes
Presenting our group's research on the occasion of visiting students from SICSS, Helmholtz Zentrum Geesthacht, 10 February 2014, Geesthacht, Germany

Anwendungsfelder der Umweltinformatik in den Klimawissenschaften
Skype contribution to lecture 'Einführung in die Umweltanwendungen' (Studiengang Angewandte Informatik) by Matthias Barth at Hochschule Ostwestfalen-Lippe, 2 December 2013, Höxter, Germany

Changing Polar Low frequency over the northern North Atlantic in a changing climate [Abstract]
ACCESS cross-sectoral summerschool at 'Haus der Wissenschaft', Bremen, Germany, on 23 Sep 2013

Past and projected future changes of North Atlantic polar low frequency [Abstract]
ECSS 2013, 7th European Conference on Severe Storms, Scandic Marina Congress Center, 3 - 7 June 2013, Helsinki, Finland

Past and projected future changes of North Atlantic polar low frequency [Abstract] [extended Abstract]
EPLWG workshop, CIENS Resource Centre, Oslo 21 -22 May 2012 Oslo, Norway

Changing tropical water vapor transports in high resolution atmospheric data
Mini Conference on the occasion of the visit of Kevin Trenberth, organized by Melanie Ades, University of Reading, 22 March 2012, 14:50 pm, Reading, UK

Estimation of past and future polar low frequency over the North Atlantic [Abstract]
Meteorology Department Seminars organized by Christopher Holloway, University of Reading, 25 October 2010, 12:00 pm, Reading, UK

Entwicklung einer Langzeitklimatologie nordatlantischer Polar Lows (co-author: Hans von Storch)
invited by Klaus Dethloff from Alfred Wegener Institute for Polar and Marine Research - Research Unit Potsdam, 16 February 2010, 2:00 pm, Potsdam, Germany

Eine Langzeitklimatologie nordatlantischer Polar Lows [Abstract]
oral symposium contribution to Symposium 'Klimasystem Nordatlantik', 06 Nov 2009, 13:15 pm, Hamburg, Germany

Development of a longterm climatology of North Atlantic polar lows using a RCM (co-author: Hans von Storch)
oral workshop contribution to 2nd Lund Regional-scale Climate Modelling Workshop, 04 May 2009, 3:00 pm, Lund, Sweden

Entwicklung einer Klimatologie nordatlantischer Polar Lows
Disputation talk, 29 April 2009, University of Hamburg, Germany
A long-term climatology of North Atlantic Polar Lows (co-authors: Hans von Storch, Stephan Bakan)
invited by Kevin Hodges from ESSC-University of Reading, 16 April 2009, 2:00 pm, Reading, UK

Development of a Long-term Climatology of North Atlantic Polar Lows (co-authors: Hans von Storch, Stephan Bakan)
invited by Oyvind Saetra from The Norwegian Meteorological Institute, 9 February 2009, Oslo, Norway

Development of a Long-term Climatology of North Atlantic Polar Lows (co-author: Hans von Storch)
conference contribution to the 2008 AGU Fall Meeting, 19 December 2008, San Francisco, CA, USA (replacing Erik Kolstad's talk)

Detection and Longterm Climatology of North Atlantic Polar Lows (co-authors: Hans von Storch, Stephan Bakan)
invited by CMCC, 6 October 2008, Bologna, Italy

Detection of North Atlantic Polar Lows in Climate Mode Simulations (co-authors: Hans von Storch, Stephan Bakan)
Extrop Winter School on Polar Lows held at the Bjerknes Centre for Climate Research, 8-11 January 2008, Bergen, Norway

An approach to detect North Atlantic Polar Lows in Climate Mode Simulations (co-authors: Hans von Storch, Stephan Bakan) [Abstract]
EPLWG/AWE workshop, 20-21 September, Trier, Germany
Simulation nordatlantischer Polar Lows im Klimamodus mit einem Limited Area Modell (co-authors: Hans von Storch, Stephan Bakan) [Abstract]
Meteorologentagung DACH, 10-14 September 2007, Hamburg, Germany
Climate mode simulation of North Atlantic Polar Lows in a limited area model (co-authors: Hans von Storch, Stephan Bakan)
visiting the Bjerknes Centre for Climate Research, 1 June 2007, Bergen, Norway

Climate mode simulation of North Atlantic Polar Lows in a limited area model (co-authors: Hans von Storch, Stephan Bakan)
Midterm Meeting of EXTROP Project, 28 -30 March 2007, DLR, Munich

Simulation von Transporten in der südlichen Nordsee mit Hilfe von coastDat am Beispiel von Flusseinträgen
CoastDat workshop, September 2006, University of Hamburg

Multidecadal climatological investigations of storms in the Northeast North Atlantic and in the North Sea (co-authors:Ralf Weisse, Hans von Storch, Frauke Feser)
6th Annual Meeting of the European Meteorological Society, 6th European Conference on Applied Climatology, 4-8 September 2006, Ljubljana, Slovenia



as Coauthor

Climatology of Polar Lows over the Sea of Japan using Tracking Algorithm and the JRA-55 Reanalysis
Wataru Yanase , H. Niino, S. Watanabe, K. Hodges, M. Zahn, T. Spengler and I. Gurvich
workshop contribution to the 13th European Polar Low Working Group meeting , April 2016, Paris, France

Interannual Variability in the Summertime Hydrological Cycle over European Regions
I. Zveryaev , M. Zahn and R. Allan
workshop contribution to the 9th HyMeX Workshop , September 2015, Mykonos Island, Greece

Understanding the projected decline in polar lows under climate change
Tim Woollings, Ben Harvey, Matthias Zahn, and Len Shaffrey [Abstract]
conference contribution to the 2013 EGU Fall Meeting, April 2013, Vienna, Austria

The Case of Polar Lows
Hans von Storch and Matthias Zahn [Abstract]
conference contribution to the 2010 AGU Fall Meeting, 15 December 2010, San Francisco, CA, USA, session: NG34A. Detection and Attribution of Trends, Correlations, and Cross Correlations in Climate and Geoscience I

Reconstruction of regional climate and climate change in past decades
(as coauthor of Hans von Storch, F. Feser, R. Weisse ) [Abstract]
AGU fall meeting, 14-18 December 2009, San Francisco, CA, USA

Potential and limits of satellite data for climate issues
(as coauthor of Hans von Storch, Anne Blechschmidt, Stiig Wilkenskjeld, Heinz GŁnther and Stephan Bakan
5th EARSeL Workshop, Remote Sensing of Snow and Glaciers , 12-13 Febuary 2008, University of Berne, Switzerland

Construction and applications of 2-d digital filters for separating regional spatial scales
(as coauthor of Hans von Storch and Frauke Feser) [Abstract]
10th International Meeting on Statistical Climatology, 20-24 August 2007, Bejing, China


Posters

Current and future drivers of continental rainfall (co-author: Richard P. Allan)
workshop contribution to the Stakeholder engagement event: The increasing risks of floods and droughts --- what can the latest science tell us?, 30 January 2013, London, UK

Past and future changes of moisture transports into the convective areas of the tropical atmospheric circulation (co-author: Richard P. Allan)
conference contribution to the AGU fall meeting, 3-7 December 2012, San Francisco, CA, USA

Past and future changes of the tropical atmospheric circulation and associated moisture transports (co-author: Richard P. Allan)
conference contribution to the EGU General Assembly 2012, April 2012, Vienna, Austria

Investigation of trends in the moisture budget of the tropical atmosphere (co-author: Richard P. Allan ) [Abstract] [Proceedings Contribution]
5th IPWG Workshop, 11-15 October 2010, Hamburg, Germany
Future projections of North Atlantic polar low frequency (co-author: Hans von Storch )
AGU fall meeting, 14-18 December 2009, San Francisco, CA, USA
Development of a Long-term Climatology of North Atlantic Polar Lows (co-author: Hans von Storch AGU fall meeting, 15-19 December 2008, San Francisco, CA, USA
Detection of Polar Lows in Climate Mode Simulations (co-authors: Hans von Storch, Stephan Bakan, presented by Hans von Storch) [Abstract]
AGU fall meeting, 10-11 December 2007, San Francisco, USA
Climate mode simulation of North Atlantic Polar Lows in a limited area model (co-authors: Hans von Storch, Stephan Bakan)
Polar Dynamics Conference 2007, 28-31 August 2007, Bergen, Norway