RRS Charles Darwin CD93A
Cruise summary report
| Cruise Info. | |||||
| Ship name (ship code) | RRS Charles Darwin (74AB) | ||||
| Cruise identifier | CD93A | ||||
| Cruise period | 1995-05-07 — 1995-05-16 | ||||
| Status | Completed | ||||
| Port of departure | Fairlie, United Kingdom | ||||
| Port of return | Fairlie, United Kingdom | ||||
| Purpose | Research | ||||
| Objectives | Recovery and redeployment of moorings, CTD and water bottle stations, optical measurements. First part of two leg cruise. CD93A/SES2A | ||||
| Chief scientist | Paul Tett (University of Wales, Bangor School of Ocean Sciences) | ||||
| Project | LOIS - SES | ||||
| Coordinating body | UK NERC | ||||
| Cruise report |  (3.22 MB) | ||||
| Ocean/sea areas | |||||
| General | North East Atlantic Ocean (limit 40W) | ||||
| Specific | NE Atlantic, outer Malin Shelf, adjacent cont.shelf (57-58N,830-10W) | ||||
| Track charts |  | ||||
| Measurements | |||||
| Physical oceanography | |||||
| Surface measurements underway (T,S) | Description: surface underway measurements | ||||
| CTD stations | Quantity: number of stations = 59 Description: Neil Brown MKIII | ||||
| Transparency (eg transmissometer) | Description: surface underway measurements | ||||
| Transparency (eg transmissometer) | Quantity: number of stations = 59 Description: on CTD | ||||
| Optics (eg underwater light levels) | Quantity: number of stations = 17 Description: Optical meas. (profiling radiometers,colour sensors,fluorometers) | ||||
| Optics (eg underwater light levels) | Quantity: number of stations = 59 Description: on CTD | ||||
| Current meters | Quantity: number of deployments = 8 | ||||
| Chemical oceanography | |||||
| Oxygen | Quantity: number of stations = 59 Description: on CTD | ||||
| Oxygen | Quantity: number of samples = 31 Description: dissolved oxygen discrete samples | ||||
| Phosphate | Quantity: number of samples = 198 | ||||
| Nitrate | Quantity: number of samples = 198 | ||||
| Nitrite | Quantity: number of samples = 198 | ||||
| Silicate | Quantity: number of samples = 198 | ||||
| Contamination | |||||
| Suspended matter | Quantity: number of samples = 17 Description: gravimetric suspended particulate matter determination | ||||
| Biology and fisheries | |||||
| Phytoplankton pigs (eg chlorophyll, fluorescence) | Description: surface underway measurements | ||||
| Phytoplankton pigs (eg chlorophyll, fluorescence) | Quantity: number of samples = 149 Description: water bottle and non-toxic samples for chlorphyll determination | ||||
| Phytoplankton pigs (eg chlorophyll, fluorescence) | Quantity: number of samples = 89 Description: 12 water bottle samples for pigment determination & 77 for chl. | ||||
| Phytoplankton pigs (eg chlorophyll, fluorescence) | Quantity: number of stations = 59 Description: on CTD | ||||
| Phytoplankton pigs (eg chlorophyll, fluorescence) | Quantity: number of stations = 17 Description: Optical meas. (profiling radiometers,colour sensors,fluorometers) | ||||
| Particulate organic matter (inc POC, PON) | Quantity: number of samples = 72 Description: discrete POC samples | ||||
| Dissolved organic matter (inc DOC) | Quantity: number of samples = 43 Description: water bottle and non-toxic samples for DON | ||||
| Other biological/fisheries measurement | Quantity: number of samples = 10 Description: water bottle samples for determination of yellow substance | ||||
| Moorings, landers, buoys | |||||
| Physical oceanography | |||||
| Subsurface temperature measurements | 57° 27' 0" N 9° 3' 0" W — U shaped mooring | ||||
| Subsurface temperature measurements | 56° 37' 59" N 9° 0' 0" W — U-shaped mooring | ||||
| Subsurface temperature measurements | 56° 27' 0" N 9° 4' 0" W — pop-up mooring including colour sensors | ||||
| Subsurface temperature measurements | 56° 27' 0" N 9° 10' 0" W — Pop-up mooring | ||||
| Transparency (eg transmissometer) | 56° 27' 0" N 8° 58' 0" W — U shaped mooring | ||||
| Transparency (eg transmissometer) | 56° 37' 0" N 9° 1' 0" W — pop-up mooring | ||||
| Transparency (eg transmissometer) | 57° 27' 0" N 9° 3' 0" W — U shaped mooring | ||||
| Transparency (eg transmissometer) | 56° 37' 59" N 9° 0' 0" W — U-shaped mooring | ||||
| Transparency (eg transmissometer) | 56° 27' 0" N 9° 4' 0" W — pop-up mooring including colour sensors | ||||
| Transparency (eg transmissometer) | 56° 43' 0" N 9° 24' 0" W — bottom pressure recorder with sediment trap,cm,transmissometer | ||||
| Transparency (eg transmissometer) | 56° 36' 0" N 8° 55' 59" W — bottom pressure recorder/U-shaped cm mooring | ||||
| Transparency (eg transmissometer) | 56° 27' 0" N 9° 10' 0" W — Pop-up mooring | ||||
| Optics (eg underwater light levels) | 56° 27' 0" N 8° 58' 0" W — U shaped mooring | ||||
| Optics (eg underwater light levels) | 57° 27' 0" N 9° 3' 0" W — U shaped mooring | ||||
| Optics (eg underwater light levels) | 56° 27' 0" N 9° 4' 0" W — pop-up mooring including colour sensors | ||||
| Current meters | 56° 36' 0" N 8° 55' 59" W — bottom pressure recorder/U-shaped cm mooring | ||||
| Current meters | 57° 27' 0" N 9° 3' 0" W — U shaped mooring | ||||
| Current meters | 56° 27' 0" N 9° 4' 0" W — pop-up mooring including colour sensors | ||||
| Current meters | 56° 37' 59" N 9° 0' 0" W — U-shaped mooring | ||||
| Current meters | 56° 43' 0" N 9° 24' 0" W — bottom pressure recorder with sediment trap,cm,transmissometer | ||||
| Current meters | 56° 37' 0" N 9° 1' 0" W — pop-up mooring | ||||
| Current meters | 56° 27' 0" N 9° 10' 0" W — Pop-up mooring | ||||
| Current meters | 56° 27' 0" N 8° 58' 0" W — U shaped mooring | ||||
| Current profiler (eg ADCP) | 56° 27' 0" N 8° 58' 0" W — U shaped mooring | ||||
| Sea level (inc. bot. press., inverted echosounder) | 56° 43' 0" N 9° 24' 0" W — bottom pressure recorder with sediment trap,cm,transmissometer | ||||
| Sea level (inc. bot. press., inverted echosounder) | 56° 27' 0" N 8° 58' 0" W — U shaped mooring | ||||
| Sea level (inc. bot. press., inverted echosounder) | 56° 36' 0" N 8° 55' 59" W — bottom pressure recorder/U-shaped cm mooring | ||||
| Instrumented wave measurements | 56° 27' 0" N 8° 58' 0" W — U shaped mooring | ||||
| Other physical oceanographic measurements | 56° 27' 0" N 9° 4' 0" W — pop-up mooring including colour sensors | ||||
| Chemical oceanography | |||||
| Nitrate | 56° 27' 0" N 9° 10' 0" W — Pop-up mooring | ||||
| Nitrate | 57° 27' 0" N 9° 3' 0" W — U shaped mooring | ||||
| Biology and fisheries | |||||
| Phytoplankton pigs (eg chlorophyll, fluorescence) | 56° 27' 0" N 8° 58' 0" W — U shaped mooring | ||||
| Phytoplankton pigs (eg chlorophyll, fluorescence) | 56° 27' 0" N 9° 10' 0" W — Pop-up mooring | ||||
| Phytoplankton pigs (eg chlorophyll, fluorescence) | 57° 27' 0" N 9° 3' 0" W — U shaped mooring | ||||
| Sediment traps | 56° 43' 0" N 9° 24' 0" W — bottom pressure recorder with sediment trap,cm,transmissometer | ||||
| Meteorology | |||||
| Routine standard measurements | 56° 27' 0" N 8° 58' 0" W — U shaped mooring | ||||
| Data held at BODC | Get data | ||||
| Series/Profiles | |||||
| 1 Acoustic doppler current profiler | Date and time Vertical spatial coordinates Vertical velocity of the water column (currents) Horizontal velocity of the water column (currents) Metadata parameters Date and time Vertical spatial coordinates Vertical velocity of the water column (currents) Horizontal velocity of the water column (currents) Metadata parameters
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| 260 Bottle station | Dissolved total and organic nitrogen concentrations in the water column Reference numbers Dissolved total or organic phosphorus concentration in the water column Particulate total and organic nitrogen concentrations in the water column Phosphate concentration parameters in the water column Salinity of the water column Temperature of the water column Vertical spatial coordinates Dissolved oxygen parameters in the water column Silicate concentration parameters in the water column Ammonium and ammonia concentration parameters in water bodies Phaeopigment concentrations in the water column Nitrate concentration parameters in the water column Quality control flags Particulate total and organic carbon concentrations in the water column Chlorophyll pigment concentrations in water bodies Dissolved total and organic nitrogen concentrations in the water column Reference numbers Dissolved total or organic phosphorus concentration in the water column Particulate total and organic nitrogen concentrations in the water column Phosphate concentration parameters in the water column Salinity of the water column Temperature of the water column Vertical spatial coordinates Dissolved oxygen parameters in the water column Silicate concentration parameters in the water column Ammonium and ammonia concentration parameters in water bodies Phaeopigment concentrations in the water column Nitrate concentration parameters in the water column Quality control flags Particulate total and organic carbon concentrations in the water column Chlorophyll pigment concentrations in water bodies
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| 2 Bottom pressure sensor tide gauge | |||||
| 59 CTD/STD cast | Transmittance and attenuance of the water column Salinity of the water column Temperature of the water column Vertical spatial coordinates Dissolved oxygen parameters in the water column Visible waveband radiance and irradiance measurements in the water column Density of the water column Chlorophyll pigment concentrations in water bodies Transmittance and attenuance of the water column Salinity of the water column Temperature of the water column Vertical spatial coordinates Dissolved oxygen parameters in the water column Visible waveband radiance and irradiance measurements in the water column Density of the water column Chlorophyll pigment concentrations in water bodies
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| 4 Electromagnetic current meter | |||||
| 4 Fluorometers | Date and time Raw fluorometer output Chlorophyll pigment concentrations in water bodies
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| 19 Paddle wheel current meter | Transmittance and attenuance of the water column Moored instrument depth Date and time Salinity of the water column Temperature of the water column Horizontal velocity of the water column (currents) Electrical conductivity of the water column Transmittance and attenuance of the water column Moored instrument depth Date and time Salinity of the water column Temperature of the water column Horizontal velocity of the water column (currents) Electrical conductivity of the water column
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| 1 Pumped water sample | Horizontal spatial co-ordinates Date and time Phaeopigment concentrations in the water column Chlorophyll pigment concentrations in water bodies Horizontal spatial co-ordinates Date and time Phaeopigment concentrations in the water column Chlorophyll pigment concentrations in water bodies
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| 15 Thermistor chain | Date and time Temperature of the water column Vertical spatial coordinates
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| 4 Transmissometer | Transmittance and attenuance of the water column Date and time Salinity of the water column Temperature of the water column Electrical conductivity of the water column Transmittance and attenuance of the water column Date and time Salinity of the water column Temperature of the water column Electrical conductivity of the water column
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| 2 radiometers | Date and time Raw light meter output Chlorophyll pigment concentrations in water bodies
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| Discrete samples | |||||
| 59 CTD frame plus rosette sampler | Dissolved total and organic nitrogen concentrations in the water column Transmittance and attenuance of the water column Dissolved total or organic phosphorus concentration in the water column Particulate total and organic nitrogen concentrations in the water column Phosphate concentration parameters in the water column Salinity of the water column Temperature of the water column Dissolved oxygen parameters in the water column Silicate concentration parameters in the water column Visible waveband radiance and irradiance measurements in the water column Density of the water column Ammonium and ammonia concentration parameters in water bodies Phaeopigment concentrations in the water column Nitrate concentration parameters in the water column Particulate total and organic carbon concentrations in the water column Chlorophyll pigment concentrations in water bodies | ||||
| 15 Instrument mooring | Other physical and chemical properties of suspended particulate material Concentration of silicon species in suspended particulate material Sedimentation flux of carbon, nitrogen or organic matter in the water column Carbon concentrations in suspended particulate material Nitrogen concentrations in suspended particulate material Sedimentation flux quantification in the water column Sedimentation flux of non-metallic inorganic species in the water column | ||||
| 6 Integrating Natural Fluorometer | |||||
| 13 Profiling radiometer | Visible waveband radiance and irradiance measurements in the atmosphere Temperature of the water column Visible waveband radiance and irradiance measurements in the water column | ||||
| 27 Sample taken from ship's non-toxic supply | Salinity of the water column Phaeopigment concentrations in the water column Chlorophyll pigment concentrations in water bodies |
