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WP2.3 Key Topics and Results

WP2.3 Key Topics and Results. Seasonal / interannual climate variability. Processes and Dynamics of Atmospheric Blocking Dynamical view on blocking, index definition ERA15 climatology Relevance of diabatic processes ERA40 climatology of blocking.

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WP2.3 Key Topics and Results

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  1. WP2.3 Key Topics and Results • Seasonal / interannual climate variability Processes and Dynamics of Atmospheric Blocking Dynamical view on blocking, index definition ERA15 climatology Relevance of diabatic processes ERA40 climatology of blocking Schwierz, Maspoli, Davies; GRL, 2004 Schwierz, Wernli, Davies, 2005 Teleconnection Patterns and Wave Propagation Rossby Wave guide, planetary wave propagation Tropical-Extratropical Interaction ERA40 climatologies of waves and streamers Schwierz, Dirren, Davies; JAS, 2003 Martius and Schwierz, 2005 Synoptic-scale interannual variability Interaction with orography ERA40 cyclone/anticyclone climatologies Schwierz and Davies; Tellus, 2003 Wernli and Schwierz, 2005, submitted to JAS Water Vapour variability, Ice core Interpretation Schwierz, Sodemann, Wernli, 2005 Sodemann et al., 2005, submitted to ACPD

  2. WP2.3 Key Topics and Results • Dynamics of extreme events Cyclogenesis and strong wind regions most damaging storms in ERA40 link to teleconnection patterns and synoptics Sänger, DA, 2003 Extreme Alpine Precipitation events link to streamers and waves link to teleconnection patterns Martius et al., 2005, submitted to Int.J.Clim. Zenklusen, DA, 2004 Tools and methods Climatological Event-based Data Analysis (ERA40) Idealised Modelling and Theory Lagrangian dynamics

  3. WP2.3 NCCR Collaborations Processes and Dynamics in a changing climate Global Climate Models WP1.1, WP2.1 Regional Climate Models WP2.2 Transport and water vapour WP1.3 Teleconnection Patterns and Extreme Events Impact on Europe (blockings) WP2.5 Changing Climate and Wind Damage WP2.2, SwissRe

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