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9. 
References 
Aminot, A., and Rey, F. (2001), Chlorophyll a: Determination by spectroscopic methods. /CES 
Techniques in Marine Environmental Sciences, 30, 17 pgs. 
https://doi.org/10.17895/ices.pub. 5080 
BSH (2007), Bestimmung der Sichttiefe mit Hilfe einer Secchi-Scheibe, Prüfanweisung 
M31600, Version 1.0, Ausgabedatum: 23.05.2007. 
BSH (2021), Photometrische Bestimmung von Sauerstoff im Meerwasser (DOA), Prüfanwei- 
sung M31400, Version 1.9, Freigabedatum: 08.06.2021. 
BSH (2022), Bestimmung von Chlorophyll-a gesamt und Phaeopigment im Meerwasser, 
Prüfanweisung M31650, Version 1.1, Freigabedatum: 16.03.2022. 
Carpenter, J. H. (1965), The accuracy of the Winkler method for dissolved oxygen analysis, 
Limnol. Oceanogr., 10, 135-140, https://doi.org/10.4319/l0. 1965.10.1.0135 
Firing, E. and Hummon, J. M. (2010), Shipboard ADCP Measurements. In: The GO-SHIP Re- 
peat Hydrography Manual: A Collection of Expert Reports and Guidelines. Version 1, (eds 
Hood, E.M., C.L. Sabine, and B.M. Sloyan). 11pp. (IOCCP Report Number 14; ICPO Publica- 
tion Series Number 134). Available online at: http://www.go-ship.org/HydroMan.html, 
https://doi.org/10.25607/0BP-1352. 
Jeffrey, S. W., and Humphrey, G. F. (1975), New spectrophotometric equation for determining 
chlorophyll a, b, cı and c, in higher plants, algae and natural phytoplankton, Biochem. Physiol. 
Pflanz., 167(2), 194-204, https://doi.org/10.1016/S0015-3796(17)30778-3. 
Lorenzen, C. J., (1967), Determination of chlorophyll and phaeopigments: spectrophotometric 
equations, Limnol. Oceanogr., 12, 343-346, https://doi.org/10.4319/l0.1967.12.2.0343.