BOOK OF ABSTRACTS 35 IHSS&IWA26 / BRNO / CZECHIA / 23–28 August 2026 Monday, 24 August 2026 / Hall B+C Analysis and Characterization research, using ultrahigh-resolution mass spectrometry data of lacustrine dissolved organic matter as an illustrative example. The aim is to provide an accessible overview of CoDa concepts and offer practical guidance on their implementation for the NOM research community. References 1. J. Aitchison, Journal of the Royal Statistical Society. Series B (Methodological) 44 (1982) 139–177. 2. Modelling and Analysis of Compositional Data. V. Pawlowsky-Glahn, J. J. Egozcue, R. TolosanaDelgado (Eds.), Chichester, Wiley, 2015. 3. M. Kida, J. Merder, T. Dittmar, V. PawlowskyGlahn, J. J. Egozcue, Frontiers in Environmental Science 14 (2026). Acknowledgement This work was supported by JSPSKAKENHI 22H03733/23K24987, JST FOREST program JPMJFR231C, and JST CREST program JPMJCR25J4 (MK). MK was also partially supported by startup funding from Kobe University. JJE and VP-G were supported by the grants PID2021-123833OB-I00 and PID2021-123833OB-I00, funded by the Spanish Ministry of Science, Innovation and Universities (MICIU/ AEI/10.13039/501100011033/) and “ERDF A way of making Europe”.
RkJQdWJsaXNoZXIy NDA4Mjc=