This document provides a description of detailed benchmark simulations. These simulations are planned in support of the development and application of high-resolution atmospheric transport and inversion systems. These systems cover limited geographical areas and address scales from mesoscale weather phenomena to individual plumes as they are resolved by CO2M. Specifically, we propose to simulate four stacks from large facilities in Europe, Russia, and South Africa. Additionally, simulations are proposed for the cities of Berlin and Paris, and the “Randstad” region in the Netherlands. For all these simulation cases, surface and/or satellite observations are available to evaluate the simulations. Two simulation protocols (Bełchatów and Jänschwalde power stations) closely follow the simulation protocol previously used in the CoMet project. The Berlin case builds on a recent paper by Klausner et al. (2020). Two other cases (Lipetsk in Russia, and Matimba in South Africa) focus on detection of stack plumes from space (see e.g. Hakkarainen et al. (2021)). For the stack cases, the effects of atmospheric chemistry (e.g. lifetime NOx) will be explicitely considered.
The document further provides brief descriptions of the simulation set-up and the participating models.
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