Estimation of CO2 fluxes in the cities of Zurich and Paris using the ICON-ART CTDAS inverse modelling framework. - Ponomarev, Nikolai; Steiner, Michael; Koene, Erik; Rubli, Pascal; Grange, Stuart; Constantin, Lionel; Ramonet, Michel; David, Leslie; Hamzehloo, Arash; Emmenegger, Lukas; Brunner, Dominik (Atmospheric Chemistry & Physics, 2026)