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Long-term water quality monitoring using Sentinel-2 data, Głuszyńskie Lake case study

Ciężkowski Wojciech, Frąk Magdalena, Kardel Ignacy, Kościelny Marcin, Chormański Jarosław

Przegląd Naukowy Inżynieria i Kształtowanie Środowiska

2022

Vol. 31, No. 4

283--293

This study shows the results of long-term inland water monitoring using Sentinel-2 data for Głuszyńskie Lake in the years 2015–2022. Four water quality parameters: biological oxygen demand (BOD), dissolved organic carbon (DOC), chlorophyll concentration (CHL) and electrical conductivity (EC) were calculated according to formulas found in the literature. The results were validated based on measurements conducted in 2021 and 2022, where for BOD, DOC and CHL high determination coefficients (0.77 and 0.79) were observed, and the EC determination coefficient was equal to 0.45. The results show that empirical formulas can be used for qualitative analyses of inland water quality, while for quantitative analyses more extensive field work needs to be performed.