RV Belgica BG9714D
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RV Belgica (11BE) |
| Cruise identifier | BG9714D |
| Cruise period | 1997-07-02 — 1997-07-07 |
| Status | Completed |
| Port of departure | Vigo, Spain |
| Port of return | Zeebrugge, Belgium |
| Purpose | Research |
| Objectives | Biochemical 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 scientist | Marc Elskens (Free University of Brussels Laboratory of Analytical and Environmental Chemistry) |
| Project | OMEX |
| Coordinating body | ULB, Brussels, Belgium |
| Cruise report |  (1.51 MB) (50 MB) |
| Ocean/sea areas | |
| General | North East Atlantic Ocean (limit 40W) |
| Specific | Gulf of Biscay (La Chapelle Bank) |
| Track charts | (0.06 MB) |
| Measurements | |
| Physical oceanography | |
| Surface measurements underway (T,S) | Description: Underway temperature, salinity, fluorescence, meteorology |
| CTD stations | Description: CTD with temperature, salinity, dissolved O2 and optical backscatter sensor |
| Chemical oceanography | |
| Oxygen | Description: CTD with temperature, salinity, dissolved O2 and optical backscatter sensor |
| Oxygen | Description: Underway pCO2, pH and dissolved oxygen (surface) |
| Oxygen | Description: Dissolve O2, pH and total alkalinity |
| Carbon dioxide | Description: Underway pCO2, pH and dissolved oxygen (surface) |
| Phosphate | Description: Nitrate/nitrite, phosphates, silicates, chlorophyll |
| Nitrate | Description: Nitrate/nirite, ammonia, urea, silicates |
| Nitrate | Description: Nitrate/nitrite, phosphates, silicates, chlorophyll |
| Nitrite | Description: Nitrate/nirite, ammonia, urea, silicates |
| Ammonia | Description: Nitrate/nirite, ammonia, urea, silicates |
| Silicate | Description: Nitrate/nirite, ammonia, urea, silicates |
| Silicate | Description: Nitrate/nitrite, phosphates, silicates, chlorophyll |
| Alkalinity | Description: Dissolve O2, pH and total alkalinity |
| pH | Description: Dissolve O2, pH and total alkalinity |
| pH | Description: Underway pCO2, pH and dissolved oxygen (surface) |
| Trace elements | Description: Trace elements and POC/PN in suspended matter collected by SAPs |
| Trace elements | Description: Primary production and 32P incubation Trace elements and POC/PN in suspended matter collected by centrifugation |
| Isotopes | Description: Isotopes 15N in suspended matter by centrifugation |
| Biology and fisheries | |
| Primary productivity | Description: New and regenerated production 15NO3, 15NH4, 15Nurea, DON, POC/PN measurements |
| Primary productivity | Description: Primary production and 32P incubation Trace elements and POC/PN in suspended matter collected by centrifugation |
| Phytoplankton pigs (eg chlorophyll, fluorescence) | Description: Underway temperature, salinity, fluorescence, meteorology |
| Phytoplankton pigs (eg chlorophyll, fluorescence) | Description: Nitrate/nitrite, phosphates, silicates, chlorophyll |
| 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: Trace elements and POC/PN in suspended matter collected by SAPs |
| Particulate organic matter (inc POC, PON) | Description: New and regenerated production 15NO3, 15NH4, 15Nurea, DON, POC/PN measurements |
| Biochemical measurements (eg lipids, amino acids) | Description: New and regenerated production 15NO3, 15NH4, 15Nurea, DON, POC/PN measurements |
| Phytoplankton | Description: Phytoplankton speciation |
| Meteorology | |
| Routine standard measurements | Description: Underway temperature, salinity, fluorescence, meteorology |
| Data held at BODC | Get data |
| Discrete samples | |
| 15 CTD frame plus rosette sampler | Total dissolved inorganic carbon (TCO2) concentration in the water column Uptake of other nutrients in the water column Temperature of the water column Phosphate concentration parameters in the water column Salinity of the water column Dissolved oxygen parameters in the water column Concentration of suspended particulate material in the water column Silicate concentration parameters in the water column Density of the water column Partial pressure (pCO2) and fugacity (fCO2) of carbon dioxide in the water column Primary production in the water column Alkalinity, acidity and pH of the water column Particulate total and organic carbon concentrations in the water column Chlorophyll pigment concentrations in water bodies |
| 3 Continuous centrifuging of non-toxic supply | Particulate metal concentrations in the water column Concentration of silicon species in suspended particulate material Carbon concentrations in suspended particulate material Nitrogen concentrations in suspended particulate material Metadata parameters |
| 1 Profiling radiometer | Visible waveband radiance and irradiance measurements in the water column |
| 30 Sample taken from ship's non-toxic supply | Salinity of the water column Density of the water column Phaeopigment concentrations in the water column Alkalinity, acidity and pH of the water column Chlorophyll pigment concentrations in water bodies |
| 5 Stand-alone pumps | Particulate metal concentrations in the water column Concentration of silicon species in suspended particulate material |