21.15109/ARP/ATDTAESomogyi, BoglárkaBoglárkaSomogyi0000-0003-0900-3315HUN-REN Balaton Limnological Research InstituteLong-term chlorophyll a concentrations in Lake Balaton (1965–2025)ARP2026Earth and Environmental SciencesSomogyi, BoglárkaHUN-REN Balaton Limnological Research Institute2026-03-062026-03-2610.1016/j.scitotenv.2024.1723513275010675358269text/csvapplication/pdfapplication/pdf1.0CC BY-NC-SA 4.0This dataset contains chlorophyll a concentration values measured by the HUN-REN Balaton Limnological Research Institute at two sampling sites located in Lake Balaton.