Deutsches Ozeanographisches
Datenzentrum Inventur der Prof. A. Penck-Reise 04-16 (DOD-Ref-No.20040160)
Inventory of Prof. A. Penck Cruise 04-16 (DOD-Ref-No.20040160)

Plattform
Platform
Reise-Nr.
Cruise-No.
Zeitraum
Period
Projekt
Project
Arbeitsgebiet
Working area
Prof. A. Penck 04-16 28.06.2004 - 07.07.2004 BLMP+
 
Baltic Sea  

Fahrtleiter
Chief Scientist
Institut
Institute
Auslaufhafen
Port of departure
Einlaufhafen
Port of return
Stationskarte
Station map
Schiffsroute
Trackchart
Nausch Monika Leibniz-Institut fur Ostseeforschung, Warnemunde Rostock Rostock Karte
Map
 

Ziel der Reise / Objectives of Cruise:

The aim of the cruise was the investigation of phosphorus dynamics and its relationship to nitrogen fixation in the Baltic Sea. Nitrogen fixation is performed only by cyanobacteria. Cyanobactria of the genus Nodularia and Aphanizomenon are the dominating organisms. The investigations were done in the Bornholm Basin and in the Eastern Gotland Basin (see appended map) in the surface layer above the thermocline (10-15 m). High concentrations of cyanobacteria were observed in the Eastern Gotland Basin, but not in the Bornholm Basin. During the cruise the wind speed ranged between 5 and 10 m/sec( BF 4-6). Therfore the cyanobactria were distributed in the surface layer and not accumulated an an surface film.

Messungen / Measurements

Institut
Institute
Wissenschaftler
Scientist
Anzahl
Number
Einheit
Unit
Typ der Messungen
Type of measurements
Kommentar
Comments
Daten im DOD
Data in DOD
IOW Wasmund Norbert 24 samples B01
Primary productivity
Primary production via 13C incorporation no
IOW Wasmund Norbert 24 samples B02
Phytoplankton pigments (e.g. chlorophyll, fluorescence)
Chlorophyll determination, other pigments no
IOW Wasmund Norbert 24 samples B08
Phytoplankton
Full sample, net sample, different depth yes
IOW Nausch Monika 7 samples B09
Zooplankton
Plankton net 55?m and 200?m, mineralization experiments no
IOW Wasmund Norbert 24 samples B71
Particulate organic matter (e.g. POC, PON)
CHN-analyser no
IOW Nausch Monika 24 samples B90
Other biological / fishery measurements
Phosphate uptake no
IOW Wasmund Norbert 24 samples B90
Other biological / fishery measurements
Nitrogen fixation no
IOW Nausch Monika 4 stations H00
Stations
- no
IOW Nausch Monika 24 samples H09
Water bottle stations
Rosett sampler no
IOW Nausch Monika 24 samples H10
CTD-Stations
CTD casts + sensors for oxygen, temperature, fluorescence and light no
IOW Nausch Gunther 24 samples H22
Phosphates
Phosphate (manual method) no
IOW Nausch Gunther 24 samples H23
Total - P
Persulphate oxidation followed by phosphate determination no
IOW Nausch Gunther 24 samples H76
Ammonia
Colorimetric standard method (manual) no
23.3.2024