RRS Challenger CH107
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RRS Challenger (74CH) |
| Cruise identifier | CH107 |
| Cruise period | 1993-10-26 — 1993-11-06 |
| Status | Completed |
| Port of departure | Barry, United Kingdom |
| Port of return | Barry, United Kingdom |
| Purpose | Research |
| Objectives | 1. 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 scientist | Alan J Harrison (Proudman Oceanographic Laboratory) |
| Project | PROFILE 2 |
| Coordinating body | MAST II-0054/EC |
| Cruise report |  (0.39 MB) |
| Ocean/sea areas | |
| General | Inner Seas off the West Coast of Scotland Irish Sea and St. George's Channel |
| Specific | North Channel |
| Track charts |  |
| Measurements | |
| Physical oceanography | |
| Surface measurements underway (T,S) | Quantity: activity duration in days = 11 Description: cont. thermosalinograph |
| CTD stations | Quantity: 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 buoys | Quantity: 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) | 54° 7' 0" N 3° 27' 0" W — Transmissometer (2) rec. & depl. |
| Transparency (eg transmissometer) | 55° 32' 59" N 4° 55' 0" W — rec. & depl. current meter (4) & transm. (2) mooring |
| Current meters | 54° 7' 0" N 3° 27' 0" W — Current meter (2) rec. & depl. |
| Current meters | 54° 46' 0" N 5° 24' 0" W — depl. & rec. surface current meter (3) mooring |
| Current meters | 54° 37' 59" N 5° 22' 0" W — rec. & depl. current meter (2) mooring |
| Current meters | 54° 36' 0" N 5° 27' 0" W — rec. & depl. current meter (1) mooring |
| Current meters | 55° 43' 59" N 5° 10' 59" W — rec. & depl. current meter (5) mooring |
| Current meters | 54° 40' 59" N 5° 16' 59" W — rec. & depl. current meter (3) mooring |
| Current profiler (eg ADCP) | 54° 52' 0" N 5° 12' 0" W — ADCP rec. |
| Current profiler (eg ADCP) | 54° 7' 0" N 3° 27' 0" W — ADCP rec. & depl. |
| Current profiler (eg ADCP) | 55° 22' 0" N 5° 25' 59" W — ADCP rec. |
| Current profiler (eg ADCP) | 54° 46' 0" N 5° 24' 0" W — ADCP & pressure recorder rec. & depl. |
| Current profiler (eg ADCP) | 54° 45' 0" N 5° 28' 0" W — Moored ADCP rec. |
| Sea level (inc. bot. press., inverted echosounder) | 55° 0' 0" N 5° 30' 0" W — ADCP & pressure recorder rec. |
| Meteorology | |
| Other meteorological measurements | 54° 46' 0" N 5° 24' 0" W — Met. buoy rec. |
| Data held at BODC | |
| Discrete samples | |
| 98 CTD frame plus rosette sampler | Transmittance and attenuance of the water column Salinity of the water column Temperature of the water column Visible waveband radiance and irradiance measurements in the water column Density of the water column Raw light meter output Raw fluorometer output |
