S2-DW-WOF workflow

Google Earth Engine (GEE) workflow to map monthly and annual Water Occurrence Frequencies (WOF) from full Sentinel-2 time series. The worklfow can be applied to any region of interest and enables exporting as raster file to Google Drive. Developed by Leo Helling leo.helling@ens-lyon.fr UMR 5600 – Environment, Ville, Société (EVS) lab Centre National de Recherche Scientifique (CNRS) ENS de Lyon France Please refer to the following publication for any data created from this workflow: Helling, L., Singh, S., Rey, L., Parmentier, H., Messager, M. L., Piégay, H., Belletti, B. (2026). Mapping water in a Dynamic World: Annual Water Occurrence Frequencies from full Sentinel-2 time series (in preparation)