The Indian monsoon is a complex system which is likely to change under global warming. While it is in the very nature of weather to vary, the question is how much and whether we can deal with it. Extreme rainfall, for example, bears the risk of flooding, and crop failure.
Computer simulations with a comprehensive set of 20 state-of-the-art climate models now consistently show that Indian monsoon daily variability might increase, according to a study published by the Potsdam Institute for Climate Impact Research (PIK).
“Increased variability – this rather technical term translates into potentially severe impacts on people who cannot afford additional loss,” says Anders Levermann, one of the study’s authors and co-chair of PIK’s research domain Sustainable Solutions. “The fact that all these different models agree is a clear message that adaptation measures can be built on.”
Jonas Viering | PIK Potsdam
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Physicists working with Roland Wester at the University of Innsbruck have investigated if and how chemical reactions can be influenced by targeted vibrational excitation of the reactants. They were able to demonstrate that excitation with a laser beam does not affect the efficiency of a chemical exchange reaction and that the excited molecular group acts only as a spectator in the reaction.
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Optical spectroscopy allows investigating the energy structure and dynamic properties of complex quantum systems. Researchers from the University of Würzburg present two new approaches of coherent two-dimensional spectroscopy.
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