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M2 internal-tide generation in STORMTIDE2

Speaker: Prof. Jin-Song von Storch, Professor at University of Hamburg and Senior scientist at Max Planck Institute for Meteorology Moderator: Prof. Nadia Pinardi, Department of Physics and Astronomy, University of Bologna and Euro-Mediterranean Centre on Climate Change Foundation (CMCC) Internal-tide generation has been quantified using both pressure work  and  energy conversion. When calculating the pressure work from simulated or observed data, the internal-tide pressure has to be decomposed from the full pressure, for which various options exist. We show that the conversion, that has to be derived from the depth-integrated energy equations, contains the work done by both the form drag at the bottom and that at the surface, with the latter being about 1% of the former. For calculating the pressure work, the internal-tide pressure identified as the deviation from the depth-averaged pressure perturbation has to be used. We analyzed the work done by the bottom form drag in STORMTIDE2, a concurrent simulation of circulations and tides.  More information here: https://www.cmcc.it/lectures_conferen...