Cruise inventory

RRS Challenger CH107

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Challenger (74CH)
Cruise identifierCH107
Cruise period1993-10-26 — 1993-11-06
StatusCompleted
Port of departureBarry, United Kingdom
Port of returnBarry, United Kingdom
PurposeResearch
Objectives1. To deploy 1 mooring and recover 11 moorings at 6 sites in the North Channel and to service a long term ADCP.
2. To service 3 moorings in the North Channel for MAFF.
3. To obtain CTD and ship ADCP measurements in the North Channel.
4. To deploy and recover 4 Argos/Decca drogued buoys.
5. To service an ADCP and a current meter mooring off Cumbria.
6. To recover 1 ADCP on the Clyde sill (for Menai Bridge).
7. To service 2 moorings in the Clyde sea for Menai Bridge.
8. To deploy and recover trial 75kHz and 1MHz ADCP's.
Chief scientistAlan J Harrison (Proudman Oceanographic Laboratory)
ProjectPROFILE 2
Coordinating bodyMAST II-0054/EC
Cruise reportRRS Challenger CH107 cruise report ch106and107_93.pdf — access key 'C' (0.39 MB) 
Ocean/sea areas 
GeneralInner Seas off the West Coast of Scotland
Irish Sea and St. George's Channel
SpecificNorth Channel
Track chartsRRS Challenger CH107 cruise track — trk3948.html
Measurements 
Physical oceanography 
Surface measurements underway (T,S)Quantity: activity duration in days = 11
Description: cont. thermosalinograph
CTD stationsQuantity: number of profiles = 98
Transparency (eg transmissometer)Quantity: number of profiles = 98
Current profiler (eg ADCP)Quantity: activity duration in days = 11
Description: cont. shipborne ADCP measurements
Surface drifters/drifting buoysQuantity: number of recoveries = 4
Description: tracks from 4 Decca/Argos buoys drogued at 30m over 8d in N. Channel
Moorings, landers, buoys 
Physical oceanography 
Transparency (eg transmissometer)55° 32' 59" N  4° 55' 0" W — rec. & depl. current meter (4) & transm. (2) mooring
Transparency (eg transmissometer)54° 7' 0" N  3° 27' 0" W — Transmissometer (2) rec. & depl.
Current meters54° 37' 59" N  5° 22' 0" W — rec. & depl. current meter (2) mooring
Current meters54° 7' 0" N  3° 27' 0" W — Current meter (2) rec. & depl.
Current meters55° 43' 59" N  5° 10' 59" W — rec. & depl. current meter (5) mooring
Current meters54° 36' 0" N  5° 27' 0" W — rec. & depl. current meter (1) mooring
Current meters54° 46' 0" N  5° 24' 0" W — depl. & rec. surface current meter (3) mooring
Current meters54° 40' 59" N  5° 16' 59" W — rec. & depl. current meter (3) mooring
Current profiler (eg ADCP)54° 7' 0" N  3° 27' 0" W — ADCP rec. & depl.
Current profiler (eg ADCP)54° 45' 0" N  5° 28' 0" W — Moored ADCP rec.
Current profiler (eg ADCP)54° 46' 0" N  5° 24' 0" W — ADCP & pressure recorder rec. & depl.
Current profiler (eg ADCP)54° 52' 0" N  5° 12' 0" W — ADCP rec.
Current profiler (eg ADCP)55° 22' 0" N  5° 25' 59" W — ADCP rec.
Sea level (inc. bot. press., inverted echosounder)55° 0' 0" N  5° 30' 0" W — ADCP & pressure recorder rec.
Meteorology 
Other meteorological measurements54° 46' 0" N  5° 24' 0" W — Met. buoy rec.
Data held at BODC 
Discrete samples 
98  CTD frame plus rosette samplerDensity of the water column
Transmittance and attenuance of the water column
Visible waveband radiance and irradiance measurements in the water column
Raw fluorometer output
Salinity of the water column
Raw light meter output
Temperature of the water column