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- 8633
RRS Challenger CH117A0
Cruise summary report
Cruise Info. | |||||||||||||||||||||
Ship name (ship code) | RRS Challenger (74CH) | ||||||||||||||||||||
Cruise identifier | CH117A0 | ||||||||||||||||||||
Cruise period | 1995-01-07 — 1995-01-13 | ||||||||||||||||||||
Status | Completed | ||||||||||||||||||||
Port of departure | Barry, United Kingdom | ||||||||||||||||||||
Port of return | Hull, United Kingdom | ||||||||||||||||||||
Purpose | Research | ||||||||||||||||||||
Objectives | Studying fluxes of materials into and out of the coastal zone of the east coast of the UK. The cruise was severly affected by mechanical problems. The ship limped from Barry to Dover for temporary repairs, did a small amount of scientific work in the Humber-Wash area before entering dry dock in Hull. The continuation of this cruise leg is designated CH117A. | ||||||||||||||||||||
Chief scientist | Sarah Jones (University of Wales, Bangor School of Ocean Sciences) | ||||||||||||||||||||
Project | LOIS - RACS | ||||||||||||||||||||
Coordinating body | NERC, (PML) | ||||||||||||||||||||
Ocean/sea areas | |||||||||||||||||||||
General | English Channel North Sea | ||||||||||||||||||||
Specific | English Channel transect. Coastal waters between the Humber and the Wash. | ||||||||||||||||||||
Track charts | |||||||||||||||||||||
Measurements | |||||||||||||||||||||
Physical oceanography | |||||||||||||||||||||
Surface measurements underway (T,S) | Quantity: track kilometres = 1325 Description: Underway surface incident PAR and solar radiation, thermosalinograph, transmissometer, fluorometer and ADCP. | ||||||||||||||||||||
CTD stations | Quantity: number of profiles = 4 Description: Neil Brown Mk IIIB CTDO with 25cm SeaTech transmissometer, upwelling and downwelling 2-pi PAR and fluorometer | ||||||||||||||||||||
Transparency (eg transmissometer) | Quantity: track kilometres = 1325 Description: Underway surface incident PAR and solar radiation, thermosalinograph, transmissometer, fluorometer and ADCP. | ||||||||||||||||||||
Transparency (eg transmissometer) | Quantity: number of profiles = 4 Description: Neil Brown Mk IIIB CTDO with 25cm SeaTech transmissometer, upwelling and downwelling 2-pi PAR and fluorometer | ||||||||||||||||||||
Optics (eg underwater light levels) | Quantity: number of profiles = 4 Description: Neil Brown Mk IIIB CTDO with 25cm SeaTech transmissometer, upwelling and downwelling 2-pi PAR and fluorometer | ||||||||||||||||||||
Current profiler (eg ADCP) | Quantity: track kilometres = 1325 Description: Underway surface incident PAR and solar radiation, thermosalinograph, transmissometer, fluorometer and ADCP. | ||||||||||||||||||||
Chemical oceanography | |||||||||||||||||||||
Oxygen | Quantity: number of profiles = 4 Description: Neil Brown Mk IIIB CTDO with 25cm SeaTech transmissometer, upwelling and downwelling 2-pi PAR and fluorometer | ||||||||||||||||||||
Contamination | |||||||||||||||||||||
Suspended matter | Quantity: number of samples = 6 Description: Setting velocity tube samples | ||||||||||||||||||||
Suspended matter | Quantity: number of profiles = 4 Description: Lasentech in-situ particle sizer profiles | ||||||||||||||||||||
Suspended matter | Quantity: number of samples = 4 Description: Chlorophyll and SPM determinations on CTD rosette samples | ||||||||||||||||||||
Biology and fisheries | |||||||||||||||||||||
Phytoplankton pigs (eg chlorophyll, fluorescence) | Quantity: track kilometres = 1325 Description: Underway surface incident PAR and solar radiation, thermosalinograph, transmissometer, fluorometer and ADCP. | ||||||||||||||||||||
Phytoplankton pigs (eg chlorophyll, fluorescence) | Quantity: number of profiles = 4 Description: Neil Brown Mk IIIB CTDO with 25cm SeaTech transmissometer, upwelling and downwelling 2-pi PAR and fluorometer | ||||||||||||||||||||
Phytoplankton pigs (eg chlorophyll, fluorescence) | Quantity: number of samples = 4 Description: Chlorophyll and SPM determinations on CTD rosette samples | ||||||||||||||||||||
Meteorology | |||||||||||||||||||||
Incident radiation | Quantity: track kilometres = 1325 Description: Underway surface incident PAR and solar radiation, thermosalinograph, transmissometer, fluorometer and ADCP. | ||||||||||||||||||||
Moorings, landers, buoys | |||||||||||||||||||||
Physical oceanography | |||||||||||||||||||||
Transparency (eg transmissometer) | 53° 34' 0" N 0° 3' 0" E — Station S4, recovered 13 Jan 95 | ||||||||||||||||||||
Current meters | 53° 34' 0" N 0° 3' 0" E — Station S4, recovered 13 Jan 95 | ||||||||||||||||||||
Current profiler (eg ADCP) | 53° 34' 0" N 0° 3' 0" E — Station S4, recovered 13 Jan 95 | ||||||||||||||||||||
Sea level (inc. bot. press., inverted echosounder) | 53° 34' 0" N 0° 3' 0" E — Station S4, recovered 13 Jan 95 | ||||||||||||||||||||
Data held at BODC | Get data | ||||||||||||||||||||
Series/Profiles | |||||||||||||||||||||
4 Bottle station | Reference numbers Vertical spatial coordinates Phaeopigment concentrations in the water column Quality control flags Chlorophyll pigment concentrations in water bodies Reference numbers Vertical spatial coordinates Phaeopigment concentrations in the water column Quality control flags Chlorophyll pigment concentrations in water bodies
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4 CTD/STD cast | Transmittance and attenuance of the water column Salinity of the water column Vertical spatial coordinates Temperature of the water column Concentration of suspended particulate material 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 Vertical spatial coordinates Temperature of the water column Concentration of suspended particulate material 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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1 Meteorological data logger | Horizontal spatial co-ordinates Visible waveband radiance and irradiance measurements in the atmosphere Date and time Solar Radiation Horizontal spatial co-ordinates Visible waveband radiance and irradiance measurements in the atmosphere Date and time Solar Radiation
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1 Ship's non-toxic supply | Horizontal spatial co-ordinates Transmittance and attenuance of the water column Nitrite concentration parameters in the water column Date and time Phosphate concentration parameters in the water column Salinity of the water column Temperature of the water column Concentration of suspended particulate material in the water column Silicate concentration parameters in the water column Nitrate concentration parameters in the water column Chlorophyll pigment concentrations in water bodies Horizontal spatial co-ordinates Transmittance and attenuance of the water column Nitrite concentration parameters in the water column Date and time Phosphate concentration parameters in the water column Salinity of the water column Temperature of the water column Concentration of suspended particulate material in the water column Silicate concentration parameters in the water column Nitrate concentration parameters in the water column Chlorophyll pigment concentrations in water bodies
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1 Single-beam echosounder | Horizontal spatial co-ordinates Date and time Bathymetry and Elevation
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Discrete samples | |||||||||||||||||||||
4 CTD frame plus rosette sampler | Transmittance and attenuance of the water column Salinity of the water column Temperature of the water column Carbon concentrations in suspended particulate material Concentration of suspended particulate material in the water column Nitrogen concentrations in suspended particulate material Visible waveband radiance and irradiance measurements in the water column Density of the water column Phaeopigment concentrations in the water column Chlorophyll pigment concentrations in water bodies | ||||||||||||||||||||
4 LASENTECH Particle Sizing Profiler | Metadata parameters Suspended particulate material grain size parameters Sediment grain size parameters | ||||||||||||||||||||
5 Sample taken from ship's non-toxic supply | Salinity of the water column | ||||||||||||||||||||
6 Settling velocity tube |