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RV Belgica BG9714D

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Belgica (11BE)
Cruise identifierBG9714D
Cruise period1997-07-02 — 1997-07-07
StatusCompleted
Port of departureVigo, Spain
Port of returnZeebrugge, Belgium
PurposeResearch
ObjectivesBiochemical survey of the area 47-48degN, 7-7.30degW in the vicinity of La Chapelle Bank (Gulf of Biscay)
Main tasks:
1. Underway measurements of salinity, temperature, relative fluorescence, meteorological parameters, pCO2, pH and dissolved O2.
2. Vertical profiles of nutrients, pH, total alkalinity, chlorophyll.
3. Production measuremetns with 14C, 15N, 32P.
4. Suspended matter characterisation with SAP's and continuous centrifugation (surface).
Chief scientistMarc Elskens (Free University of Brussels Laboratory of Analytical and Environmental Chemistry)
ProjectOMEX
Coordinating bodyULB, Brussels, Belgium
Cruise reportRV Belgica BG9714D cruise report belgica97_14.pdf (1.51 MB)  RV Belgica BG9714D cruise report bg9714summary.pdf (50 MB) 
Ocean/sea areas 
GeneralNorth East Atlantic Ocean (limit 40W)
SpecificGulf of Biscay (La Chapelle Bank)
Track chartsRV Belgica BG9714D cruise track — belgica97_14track.pdf (0.06 MB) 
Measurements 
Physical oceanography 
Surface measurements underway (T,S)Description: Underway temperature, salinity, fluorescence, meteorology
CTD stationsDescription: CTD with temperature, salinity, dissolved O2 and optical backscatter sensor
Chemical oceanography 
OxygenDescription: Dissolve O2, pH and total alkalinity
OxygenDescription: Underway pCO2, pH and dissolved oxygen (surface)
OxygenDescription: CTD with temperature, salinity, dissolved O2 and optical backscatter sensor
Carbon dioxideDescription: Underway pCO2, pH and dissolved oxygen (surface)
PhosphateDescription: Nitrate/nitrite, phosphates, silicates, chlorophyll
NitrateDescription: Nitrate/nirite, ammonia, urea, silicates
NitrateDescription: Nitrate/nitrite, phosphates, silicates, chlorophyll
NitriteDescription: Nitrate/nirite, ammonia, urea, silicates
AmmoniaDescription: Nitrate/nirite, ammonia, urea, silicates
SilicateDescription: Nitrate/nirite, ammonia, urea, silicates
SilicateDescription: Nitrate/nitrite, phosphates, silicates, chlorophyll
AlkalinityDescription: Dissolve O2, pH and total alkalinity
pHDescription: Underway pCO2, pH and dissolved oxygen (surface)
pHDescription: Dissolve O2, pH and total alkalinity
Trace elementsDescription: Trace elements and POC/PN in suspended matter collected by SAPs
Trace elementsDescription: Primary production and 32P incubation Trace elements and POC/PN in suspended matter collected by centrifugation
IsotopesDescription: Isotopes 15N in suspended matter by centrifugation
Biology and fisheries 
Primary productivityDescription: Primary production and 32P incubation Trace elements and POC/PN in suspended matter collected by centrifugation
Primary productivityDescription: New and regenerated production 15NO3, 15NH4, 15Nurea, DON, POC/PN measurements
Phytoplankton pigs (eg chlorophyll, fluorescence)Description: Nitrate/nitrite, phosphates, silicates, chlorophyll
Phytoplankton pigs (eg chlorophyll, fluorescence)Description: Underway temperature, salinity, fluorescence, meteorology
Particulate organic matter (inc POC, PON)Description: Primary production and 32P incubation Trace elements and POC/PN in suspended matter collected by centrifugation
Particulate organic matter (inc POC, PON)Description: New and regenerated production 15NO3, 15NH4, 15Nurea, DON, POC/PN measurements
Particulate organic matter (inc POC, PON)Description: Trace elements and POC/PN in suspended matter collected by SAPs
Biochemical measurements (eg lipids, amino acids)Description: New and regenerated production 15NO3, 15NH4, 15Nurea, DON, POC/PN measurements
PhytoplanktonDescription: Phytoplankton speciation
Meteorology 
Routine standard measurementsDescription: Underway temperature, salinity, fluorescence, meteorology
Data held at BODC Get data
Discrete samples 
15  CTD frame plus rosette samplerParticulate total and organic carbon concentrations in the water column
Partial pressure (pCO2) and fugacity (fCO2) of carbon dioxide in the water column
Density of the water column
Chlorophyll pigment concentrations in water bodies
Uptake of other nutrients in the water column
Primary production in the water column
Alkalinity, acidity and pH of the water column
Silicate concentration parameters in the water column
Concentration of suspended particulate material in the water column
Salinity of the water column
Total dissolved inorganic carbon (TCO2) concentration in the water column
Temperature of the water column
Dissolved oxygen parameters in the water column
Phosphate concentration parameters in the water column
3  Continuous centrifuging of non-toxic supplyCarbon concentrations in suspended particulate material
Particulate metal concentrations in the water column
Metadata parameters
Concentration of silicon species in suspended particulate material
Nitrogen concentrations in suspended particulate material
1  Profiling radiometerVisible waveband radiance and irradiance measurements in the water column
30  Sample taken from ship's non-toxic supplyDensity of the water column
Chlorophyll pigment concentrations in water bodies
Alkalinity, acidity and pH of the water column
Salinity of the water column
Phaeopigment concentrations in the water column
5  Stand-alone pumpsParticulate metal concentrations in the water column
Concentration of silicon species in suspended particulate material