Co-UDlabs organized a groundbreaking training event on acoustic monitoring of suspended solids in natural and engineered systems. The webinar, held on May 16, 2023, brought together particle experts, sensor manufacturers, and practitioners experienced in monitoring campaigns. The goal was to bridge the knowledge gap surrounding the limitations of traditional optical turbidity probes and highlight the recent advancements and potential solutions offered by acoustic turbidity sensors. Traditional optical methods for monitoring total suspended solids (TSS) in water face challenges and require extensive calibration and maintenance. Acoustic turbidity monitoring, on the other hand, presents a modern approach utilizing acoustic profilers. List of presentations: Welcome and introduction. Jörg Rieckermann (EAWAG) Relevance of Particles and Continuous Monitoring in Urban Drainage Systems. Peter Vanrolleghem (Université Laval) Acoustic scattering from different particles - Theory and scientific instruments. Stéphane Fischer (UBERTONE) Experimental evaluation of hydro-acoustic models and inversion methods in rivers. Céline Berni (INRAE) Monitoring suspended solids with acoustic turbidity in Sewers. Asmorom Kibrom (NIVUS) Lab-scale characterization of total suspended solids using acousting backscatttering. Manuel Regueiro-Picallo (Universidade da Coruña) Experiences with acoustic monitoring of TSS for stormwater treatment. Daniela Böckmann (Dr. Pecher AG) Time Resolved Optical Turbidity and comparison to existing methods. Anne Pallarès (Université de Strasbourg) Additional documents: Press release. Report. Edition The present webinar dataset contains the contributions to Co-UDlabs webinar series, which was organised jointly with the IWA and IAHR by Eawag and partners in the scope of the Co-UDlabs webinar on 16.05.2023. The content of the contributions to the webinar is the sole responsibility of the authors. The editorial work was carried out by Jörg Rieckermann and Manuel Regueiro-Picallo. Copyright and licensing The report and presentations are copyrighted by the authors. They are licensed under an Open Access Creative Commons CC BY 4.0 license execept for Daniela Böchmann presentation, which is licensed under an Open Access Creative Commons CC BY-NC-ND. Both types of licenses allow anyone to dowload and read the documents free of charge. Furthermore, the documents may be shared, provided that the original published version is cited. These conditions allow maximum use and publication of the work and at the same time ensure that the authors receive appropriate credit. As an example, the webinar report could be cited as follows: Rieckermann, J., Vanrolleghem, P. Fischer, S., Berni, C., Kibrom, A., Regueiro-Picallo, M., Böchmann, D., & Pallarès, A. (2023). Acoustic monitoring of suspended solids in natural and engineering systems. In J. Rieckermann and M. Regueiro-Picallo (Eds.). Co-UDlabs Webinar series report. DOI: https://doi.org/10.5281/zenodo.8002061

Video available: https://www.youtube.com/watch?v=y4LsiSGG-DI