Equipment and Methods
Oceanography
CTD/Rosette (Seabird SBE 19 with 12 standard bottles, oxygen sensor and Fluorometer)

Delphin (Standardversion with CTD, fluorometer, oxygen sensor)
Thermosalinograph
Secchi disc

Nutrient concentrations

PO«4-P after Murphy and Riley (1962)
SiQO.-Si after Koroleff (1971)

NO>-N after Bendschneider and Robinson (1952)

NO3+NO>-N after Bendschneider and Robinson (1952)
NH-;-N after Berthelot (1859)

Nerg, extractabie €Xtraction with 2M KCI

Nresiauar high temperature oxidation

Pparticulate after Liebezeit, G. (1995). Particulate phosphorus fractions in a mangrove
estuary. Senckenberg. Marit. 25: 123-126
TOC high temperature oxidation

Oxygen Concentrations
Oxygen after Winkler-Carpenter with dissolved Oxygen Analyser (DOA), photometric

end point identification

Organic Pollutants

N. Theobald, W.Lange, A.Rave, U.Pohle und P.Koennecke, Dt. Hydrogr. Z., 43, 311
(1990): Ein 100-I Glaskugelschöpfer zur kontaminationsfreien Entnahme von Seewasser
 für die Analyse lipo-philer organischer Stoffe

N.Theobald, W.Lange, W.Gählert und F.Renner, Fresenius J. Anal. Chem. (1995),
353, 50 - 56: "Mass spectometric investigations of water extracts of the river Elbe for
the determination of potential inputs of pollutants into the North Sea"

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