RRS Discovery D173
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RRS Discovery (74E3) |
| Cruise identifier | D173 |
| Cruise period | 1988-04-29 — 1988-05-09 |
| Status | Completed |
| Port of departure | Lisbon, Portugal |
| Port of return | Barry, United Kingdom |
| Purpose | Research |
| Objectives | 1. To recover current meter moorings deployed from Discovery during Cruise 169 off the southwest slope of Porcupine Bank.
2. To make CTD-Transmissometer stations to look for the presence of a nepheloid layer observed on Discovery Cruise 169. 3. To test the IOS MK IV Precision Echo Sounder. 4. To collect seawater for the Standard Seawater Service. |
| Chief scientist | Stephen A Thorpe (University of Southampton Department of Oceanography) |
| Cruise report |  (0.47 MB) |
| Ocean/sea areas | |
| General | North East Atlantic Ocean (limit 40W) |
| Specific | Atlantic, West of Ireland (Porcupine Bank) |
| Track charts | (0.06 MB) |
| Measurements | |
| Physical oceanography | |
| Bathythermograph | Quantity: number of profiles = 10 |
| CTD stations | Quantity: number of stations = 11 Description: includes transmittance |
| Transparency (eg transmissometer) | Quantity: number of stations = 11 Description: includes transmittance |
| Current meters | Quantity: number of recoveries = 13 Description: recovered only;255 days |
| Chemical oceanography | |
| Other chemical oceanographic measurements | Quantity: number of samples = 105 |
| Biology and fisheries | |
| Other biological/fisheries measurement | Quantity: number of samples = 60 Description: samples of plankton for ketone analysis |
| Geology and geophysics | |
| Single-beam echosounding | Quantity: track kilometres = 1850 Description: 8 days |
