Laboratory measurements of the absorption of light by sea water have been reported for surface samples from a number of stations in the Atlantic (1, 2, 3, 4). The work of Clarke and James (4), which includes results on 12 stations, both in and off shore for wave-lengths 3650-8000 Å, is of particular interest....
Young, R. T.. 1943. "A note on some laboratory measurements of the transparency of sea water." Journal of Marine Research 5, (2). https://elischolar.library.yale.edu/journal_of_marine_research/606