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RRS Challenger CH133
Cruise summary report
Cruise Info. | |||||||||
Ship name (ship code) | RRS Challenger (74CH) | ||||||||
Cruise identifier | CH133 | ||||||||
Cruise period | 1997-05-09 — 1997-06-02 | ||||||||
Status | Completed | ||||||||
Port of departure | Great Yarmouth, United Kingdom | ||||||||
Port of return | Portland Harbour, United Kingdom | ||||||||
Objectives | 1. To calculate air-sea fluxes of climatically significant gases.
2. To coordinate sampling 8 hours upwid/downwind of Mace Head, Galway, to study chemical transformations within an identifiable air mass. 3. To assess the contribution of aerosols and particulates to flux calculations. | ||||||||
Chief scientist | Lucinda Spokes (University of East Anglia School of Environmental Sciences) | ||||||||
Project | ACSOE | ||||||||
Coordinating body | UEA | ||||||||
Cruise report | (0.78 MB) | ||||||||
Ocean/sea areas | |||||||||
General | North East Atlantic Ocean (limit 40W) | ||||||||
Specific | Off west coast of Ireland | ||||||||
Track charts | (0.23 MB) | ||||||||
Measurements | |||||||||
Physical oceanography | |||||||||
Surface measurements underway (T,S) | Quantity: track kilometres = 5450 Description: Underway measurements of T, S, transmittance, fluorescence, PAR, barometric pressure, air temperature, relative humidity, wind speed & direction, bathymetry & currents from ADCP | ||||||||
Transparency (eg transmissometer) | Quantity: track kilometres = 5450 Description: Underway measurements of T, S, transmittance, fluorescence, PAR, barometric pressure, air temperature, relative humidity, wind speed & direction, bathymetry & currents from ADCP | ||||||||
Current profiler (eg ADCP) | Quantity: track kilometres = 5450 Description: Underway measurements of T, S, transmittance, fluorescence, PAR, barometric pressure, air temperature, relative humidity, wind speed & direction, bathymetry & currents from ADCP | ||||||||
Chemical oceanography | |||||||||
Other dissolved gases | Quantity: track kilometres = 5450 Description: DMS underway and in air: continuous measurements | ||||||||
Other dissolved gases | Quantity: track kilometres = 5450 Description: Carbon monoxide - surface water and atmosphere | ||||||||
Phosphate | Quantity: number of samples = 300 Description: Samples taken from non-toxic supply - to be analysed for: chlorophyll, phytoplankton counts, dissolved nutrients | ||||||||
Nitrate | Quantity: number of samples = 300 Description: Samples taken from non-toxic supply - to be analysed for: chlorophyll, phytoplankton counts, dissolved nutrients | ||||||||
Nitrite | Quantity: number of samples = 300 Description: Samples taken from non-toxic supply - to be analysed for: chlorophyll, phytoplankton counts, dissolved nutrients | ||||||||
Silicate | Quantity: number of samples = 300 Description: Samples taken from non-toxic supply - to be analysed for: chlorophyll, phytoplankton counts, dissolved nutrients | ||||||||
Other chemical oceanographic measurements | Quantity: track kilometres = 5450 Description: Non-methane hydrocarbons, esp isoprene: surface water and atmospheric | ||||||||
Contamination | |||||||||
Chlorinated hydrocarbons | Quantity: track kilometres = 5450 Description: Halocarbons - esp methyliodide - in surface water and atmosphere | ||||||||
Biology and fisheries | |||||||||
Phytoplankton pigs (eg chlorophyll, fluorescence) | Quantity: track kilometres = 5450 Description: Underway measurements of T, S, transmittance, fluorescence, PAR, barometric pressure, air temperature, relative humidity, wind speed & direction, bathymetry & currents from ADCP | ||||||||
Phytoplankton pigs (eg chlorophyll, fluorescence) | Quantity: number of samples = 300 Description: Samples taken from non-toxic supply - to be analysed for: chlorophyll, phytoplankton counts, dissolved nutrients | ||||||||
Phytoplankton | Quantity: number of samples = 300 Description: Samples taken from non-toxic supply - to be analysed for: chlorophyll, phytoplankton counts, dissolved nutrients | ||||||||
Meteorology | |||||||||
Incident radiation | Quantity: track kilometres = 5450 Description: Underway measurements of T, S, transmittance, fluorescence, PAR, barometric pressure, air temperature, relative humidity, wind speed & direction, bathymetry & currents from ADCP | ||||||||
Occasional standard measurements | Quantity: track kilometres = 5450 Description: Underway measurements of T, S, transmittance, fluorescence, PAR, barometric pressure, air temperature, relative humidity, wind speed & direction, bathymetry & currents from ADCP | ||||||||
Atmospheric chemistry | Quantity: track kilometres = 5450 Description: Carbon monoxide - surface water and atmosphere | ||||||||
Atmospheric chemistry | Quantity: track kilometres = 5450 Description: Halocarbons - esp methyliodide - in surface water and atmosphere | ||||||||
Atmospheric chemistry | Quantity: track kilometres = 5450 Description: Non-methane hydrocarbons, esp isoprene: surface water and atmospheric | ||||||||
Atmospheric chemistry | Quantity: track kilometres = 5450 Description: DMS underway and in air: continuous measurements | ||||||||
Atmospheric chemistry | Quantity: number of samples = 13 Description: Pumps, filtering for aerosols: nitrate, trace metals, particle counts | ||||||||
Atmospheric chemistry | Quantity: number of samples = 15 Description: High volume pumps; filtering for approximately 12 hours - aerosols and atmospheric particulates: analysis of major chemical species | ||||||||
Data held at BODC | Get data | ||||||||
Series/Profiles | |||||||||
1 Multiple instrument types | Visible waveband radiance and irradiance measurements in the atmosphere Horizontal spatial co-ordinates Transmittance and attenuance of the water column Air pressure Date and time Salinity of the water column Temperature of the water column Horizontal platform movement Air temperature Wind strength and direction Solar Radiation Raw fluorometer output Atmospheric humidity Chlorophyll pigment concentrations in water bodies Bathymetry and Elevation Visible waveband radiance and irradiance measurements in the atmosphere Horizontal spatial co-ordinates Transmittance and attenuance of the water column Air pressure Date and time Salinity of the water column Temperature of the water column Horizontal platform movement Air temperature Wind strength and direction Solar Radiation Raw fluorometer output Atmospheric humidity Chlorophyll pigment concentrations in water bodies Bathymetry and Elevation
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1 Pumped water sample | Horizontal spatial co-ordinates Date and time Phosphate concentration parameters in the water column Silicate concentration parameters in the water column Nitrate concentration parameters in the water column Horizontal spatial co-ordinates Date and time Phosphate concentration parameters in the water column Silicate concentration parameters in the water column Nitrate concentration parameters in the water column
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Discrete samples | |||||||||
39 Bulk filtered air sample | |||||||||
141 Pressurised air bottle sample | |||||||||
14 Rain water collector | |||||||||
819 Sample taken from ship's non-toxic supply | Organosulphur and organoselenium species concentration parameters in water bodies Concentration of alkenes and alkynes in the water column Salinity of the water column Phosphate concentration parameters in the water column Concentration of alkanes in the water column Silicate concentration parameters in the water column Other halocarbon concentrations in water bodies Nitrate concentration parameters in the water column Phaeopigment concentrations in the water column Dissolved concentration parameters for other gases in the water column | ||||||||
81 Water bottle hydrocast | Salinity of the water column Temperature of the water column Other halocarbon concentrations in water bodies |