The results of our three-year eddy covariance measurements of size-classified particle fluxes in Berlin have been published as a preprint in ACPD. We performed the measurements in the framework of the collaborative project 3DO (Stadtklima im Wandel).
Straaten, A. and Weber, S., 2021. Measurement report: Three years of size-resolved eddy-covariance particle number flux measurements in an urban environment. Atmos. Chem. Phys. Discuss., 2021: 1-31.