Analysis of moisture conditions in the lowland areas using high resolution spectral data from the Sentinel-2 satellite and the GIS toolsHenryk Grzywna, PaweŁ B. Dąbek and Beata OlszewskaE3S Web Conf., 44 (2018) 00048DOI: https://doi.org/10.1051/e3sconf/20184400048