CalCOFI Time Series data are over 67 years old. New adopted practices, methods, software and hardware are thoroughly tested to maintain dataset continuity as the program & science evolves. Core…

Chlorophyll Determination SUMMARY: Chlorophyll a is extracted in an acetone solution. Chlorophyll and phaeopigments are then measured fluorometrically using an acidification technique. 1. Principle Seawater samples of a known volume…