Seasonal changes in the transmission of certain spectral bands of solar radiation in the inshore waters of the Pacific Northwest were reported by Williams and Utterback (1) for the year 1934 and by tterback and l\1iller (2) for the years 1935 and 1936….
Jorgenson, Wilhelm, and C. L. Utterback. 1939. "Periodic changes in spectral scattering and spectral transmission of daylight in tidal water." Journal of Marine Research 2, (1). https://elischolar.library.yale.edu/journal_of_marine_research/543