RRS Challenger CH13/81
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RRS Challenger (74CH) |
| Cruise identifier | CH13/81 |
| Cruise period | 1981-08-25 — 1981-09-09 |
| Status | Completed |
| Port of departure | Dunstaffnage, United Kingdom |
| Port of return | Barry, United Kingdom |
| Objectives | Biology |
| Chief scientist | Bob Williams (Institute of Marine Environmental Research, Plymouth) |
| Ocean/sea areas | |
| General | Irish Sea and St. George's Channel North East Atlantic Ocean (limit 40W) |
| Specific | North Atlantic Celtic Sea |
| Track charts |  |
| Measurements | |
| Physical oceanography | |
| Surface measurements underway (T,S) | |
| Bathythermograph | Quantity: number of profiles = 12 |
| CTD stations | Quantity: number of stations = 13 |
| Contamination | |
| Suspended matter | Quantity: number of stations = 13 |
| Biology and fisheries | |
| Phytoplankton pigs (eg chlorophyll, fluorescence) | Quantity: number of stations = 13 |
| Particulate organic matter (inc POC, PON) | Quantity: number of stations = 13 |
| Phytoplankton | Quantity: number of stations = 13 |
| Zooplankton | Quantity: number of samples = 30 Description: survey:distribution,biomass determination,population structures |
| Seston | Quantity: number of stations = 13 |
