Reconstruction of weather and climate during past ca. 400 years
Combination of early instrumental data, proxies and climate models
Climate dynamics and large-scale variability
Interannual-to-dacadal variability of atmospheric circulation
Historical climatology
Effects of volcanic eruptions on climate
Climate and society interactions

  • President of Commission “Atmospheric Chemistry and Physics” (ACP) of sc.nat

  • Lead author, Chapter 2 of the contribution of Working Group I to the 5th assessment report of the
    Intergovernmental Panel on Climate Change (IPCC)

  • PI, co-PI, or member of several national and international projects (SNF, NCCR Climate, EU FP-7,
    HORIZON2020, COST, ERAnet.RUS)

  • Active in international initiatives “The Twentieth Century Reanalysis Project” (20CR), “Atmospheric
    Circulation Reconstructions over the Earth (ACRE)”, “International Surface Temperature Initiative”

  • Leader, Work Package 2 of Oeschger Centre for Climate Change Research, University of Bern

  • Member, Steering Group Oeschger Centre for Climate Change Research, University of Bern

  • Editor/coordinator of Meteorologische Zeitschrift, since August 2006, Climate of the Past since 2012,
    Physik in unserer Zeit since 2012, Editor of Geographica Bernensia since 2011.

  • Head of conference board, international workshops “Weather and Climate Extremes During the Past
    100 years”, Diessenhofen (Switzerland), 7-9 June 2010, “Variability of Global Atmospheric Circulation
    During the Past 100 years”, Monte Verità (Switzerland), 15-20 June 2008, “Climate variability and
    extremes during the past 100 years”, Gwatt (Switzerland), 24–26 July 2006, “Bicentenary of the Great
    Tambora Eruption”, Bern (Switzerland), 7-10 April 2015