Aas, E., (1980). Relations between total quanta, blue irradiance and Secchi disk observations. In: Studies in Physical Oceanography. Papers dedicated to professor Nils G. Jerlov in commemoration of his seventieth birthday. Rep. Dept. Phys. Oceanogr., Univ. Copenhagen, 42,:11-27.
The 6th International Ocean Colour Science (IOCS) meeting was held in Darmstadt, Germany from 1 – 4 December 2025, hosted by EUMETSAT and ESA. All meeting material is available is on the archive webpage.