Monsoon variability and its physical mechanisms under different paleo- and future climate conditions

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The main objective of his projects is the better understanding of forcing mechanisms, feedbacks and amplifiers concerning monsoon variability under different (past, present, future) climate conditions. Simulations with a global climate model (COSMOS) and with an imbedded regional climate model (CLM) will be performed and analysed. The models generate a physically consistent picture of the monsoon and its variability. The investigations will be carried out at intraseasonal to centennial time scales with an emphasis on interannual variability. Special focus will be laid on the occurrence of extreme events, their onset conditions, characteristics and impacts.The results of these simulations will help refine model predictions. They allow identifying large-scale conditions and teleconnections leading to extreme events.The proxy data generated within HIMPAC will be used to verify the model results, and the model will be used to check the consistency of the multi-proxy data. The advance in understanding the processes involved will lead to a better assessment of future climate change conditions and allows more accurately estimating their impacts.