Chapter1. Detection of Coccolithophore bloom episodes in Algiers Bay using satellite and in-situ analysis.- Chapter2. Multiscale spatiotemporal NDVI mapping of salt marshes using Sentinel-2, Dove, and UAV imagery in the Bay of Mont-Saint-Michel, France.- Chapter3. Contribution of near and mid infrared wavebands to mapping fine-scale coastal ecogeomorphological features.- Chapter4. Monitoring land cover change in the south-eastern Baltic sea since...