Understanding climate variability using dynamical systems theory. - A theoretical introduction to atmospheric and oceanic convection. - Laboratory experiments on large-scale geophysical flows. - Individual particle based description of atmospheric dispersion: a dynamical systems approach. - The parameter optimization problem in state-of-the-art climate models and network analysis for systematic data mining in model intercomparison projects. - Climate dynamics on global scale: resilience, hysteresis and attribution of change. - Water in the climate system. - Climate dynamics on watershed scale: along the rainfall-runoff chain.