Remote sensing reflectance of Pomeranian lakes and the Baltic**The study was partially financed by MNiSW (Ministry of Science and Higher Education) as a research project N N306 066434 in the years 2008–2011. The partial support for this study was also provided by the SatBałtyk project (Satellite Monitoring of the Baltic Sea Environment) funded by the European Union from the European Regional Development Fund contract No. POIG 01.01.02-22-011/09.The paper was presented at the 6th International Conference ‘Current Problems in the Optics of Natural Waters’, St. Petersburg, Russia, 6–10 September 2011.