Institute for Atmospheric and Climate Science

Short-term Climate Variability and Teleconnections

Large-scale flow variations are an integral feature of the climate system and exhibit substantial fluctuations on decadal and inter-annual time scales: e.g. the prominent tropical ENSO phenomenon, the extra-tropical PNA pattern and the North-Atlantic Oscillation (NAO). There is a clear linkage of the variability patterns with distinctive climatic and synoptic weather phenomena (North Atlantic storm track, patterns of underlying SST and flow variations over Europe - e.g. temperature and precipitation). Less is known about the origin and dynamics of these modes. Complementary approaches comprising statistical and observational studies, and idealised and climate model simulations are applied to gain insight into the underlying physical processes and analyse the structure, time-evolution and impacts of these large-scale phenomena.


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