2026. SPECTRAL PROPERTIES OF CHROMOPHORIC DISSOLVED ORGANIC MATTER IN THE CASE OF REDOX STRATIFICATION OF LAKE BOL’SHIE KHRUSLOMENY. Proceedings of the YSU C: Geological and Geographical Sciences. Special Issue N1 (270) (Sep. 2026), 48. DOI:https://doi.org/10.46991/PYSUC.2026.SI1.048.