- Resources
- Inventories
- Cruise inventory
- Report
- 4341
RRS Discovery D229
Cruise summary report
Cruise Info. | |
Ship name (ship code) | RRS Discovery (74E3) |
Cruise identifier | D229 |
Cruise period | 1997-07-02 — 1997-07-31 |
Status | Completed |
Port of departure | Vigo, Spain |
Port of return | Vigo, Spain |
Purpose | Research |
Objectives | The third of a series of five cruises to the Porcupine Abyssal Plain, in an EU MAST funded programme (BENGAL), to study seasonal changes in the benthic environment. All sampling was undertaken within 20 nmiles of 48° 50'N 16° 30'W. |
Chief scientist | Brian James Bett (Southampton Oceanography Centre) |
Project | BENGAL/MAST III |
Coordinating body | SOC |
Cruise report | (5.70 MB) |
Ocean/sea areas | |
General | North East Atlantic Ocean (limit 40W) |
Specific | Porcupine Abyssal Plain |
Measurements | |
Physical oceanography | |
Water bottle stations | Quantity: number of profiles = 22 Description: CTD with water bottles, oxygen, transmission and flurescence sensors |
CTD stations | Quantity: number of profiles = 22 Description: CTD with water bottles, oxygen, transmission and flurescence sensors |
Transparency (eg transmissometer) | Quantity: number of profiles = 22 Description: CTD with water bottles, oxygen, transmission and flurescence sensors |
Chemical oceanography | |
Oxygen | Quantity: number of profiles = 22 Description: CTD with water bottles, oxygen, transmission and flurescence sensors |
Radioactivity | Quantity: number of deployments = 6 Description: Bottom water sampler (near bottom pump sampler) |
Biology and fisheries | |
Phytoplankton pigs (eg chlorophyll, fluorescence) | Quantity: number of deployments = 6 Description: Bottom water sampler (near bottom pump sampler) |
Phytoplankton pigs (eg chlorophyll, fluorescence) | Quantity: number of deployments = 20 Description: Multiple corer, various sediment chemistry and biology measures |
Particulate organic matter (inc POC, PON) | Quantity: number of deployments = 6 Description: Bottom water sampler (near bottom pump sampler) |
Particulate organic matter (inc POC, PON) | Quantity: number of deployments = 20 Description: Multiple corer, various sediment chemistry and biology measures |
Particulate organic matter (inc POC, PON) | Quantity: number of profiles = 2 Description: MSP (marine snow profiler), camera mounted on CTD |
Particulate organic matter (inc POC, PON) | Quantity: number of profiles = 3 Description: SAPS (stand alone pumping sytem) |
Biochemical measurements (eg lipids, amino acids) | Quantity: number of deployments = 20 Description: Multiple corer, various sediment chemistry and biology measures |
Pelagic bacteria/micro-organisms | Quantity: number of profiles = 3 Description: SAPS (stand alone pumping sytem) |
Benthic bacteria/micro-organisms | Quantity: number of deployments = 6 Description: Bottom water sampler (near bottom pump sampler) |
Benthic bacteria/micro-organisms | Quantity: number of deployments = 20 Description: Multiple corer, various sediment chemistry and biology measures |
Zoobenthos | Quantity: number of deployments = 20 Description: Multiple corer, various sediment chemistry and biology measures |
Zoobenthos | Quantity: number of hauls = 4 Description: Beam trawl |
Zoobenthos | Quantity: number of deployments = 18 Description: Box corer |
Zoobenthos | Quantity: number of hauls = 2 Description: Epibenthic sledge |
Zoobenthos | Quantity: number of hauls = 4 Description: OTSB (semi-balloon otter trawl) |
Zoobenthos | Quantity: number of deployments = 2 Description: Kasten corer |
Demersal fish | Quantity: number of hauls = 4 Description: OTSB (semi-balloon otter trawl) |
Demersal fish | Quantity: number of hauls = 4 Description: Beam trawl |
Geology and geophysics | |
Core - soft bottom | Quantity: number of deployments = 18 Description: Box corer |
Core - soft bottom | Quantity: number of deployments = 20 Description: Multiple corer, various sediment chemistry and biology measures |
Core - soft bottom | Quantity: number of deployments = 2 Description: Kasten corer |
Bottom photography | Quantity: number of deployments = 4 Description: WASP (wide angle survey photography) |
Moorings, landers, buoys | |
Physical oceanography | |
CTD stations | 48° 49' 59" N 16° 30' 0" W — 1 x BIOFEED, enrichment expt and 5 x DEMAR (amphipod trap) + CTD - (within 20 nmiles) |
Chemical oceanography | |
Oxygen | 48° 49' 59" N 16° 30' 0" W — 8 x Benthic lander and 1 x sediment trap - (within 20 nmiles) |
Biology and fisheries | |
Particulate organic matter (inc POC, PON) | 48° 49' 59" N 16° 30' 0" W — 1 x MSAPS (Moored Stand-Alone Pumping System) - (within 20 nmiles) |
Biochemical measurements (eg lipids, amino acids) | 48° 49' 59" N 16° 30' 0" W — 1 x BIOFEED, enrichment expt and 5 x DEMAR (amphipod trap) + CTD - (within 20 nmiles) |
Biochemical measurements (eg lipids, amino acids) | 48° 49' 59" N 16° 30' 0" W — 8 x Benthic lander and 1 x sediment trap - (within 20 nmiles) |
Biochemical measurements (eg lipids, amino acids) | 48° 49' 59" N 16° 30' 0" W — Deployed BIOFEED, enrichment expt (to September 1997), Bathysnap - time-lapse camera - (to March 1998) and sediment traps (to September 1997) - (within 20 nmiles) |
Sediment traps | 48° 49' 59" N 16° 30' 0" W — Recovered Bathysnap (time lapse camera) - deployed April 1997 and a sediment trap - deployed March 1997 - (within 20 nmiles) |
Sediment traps | 48° 49' 59" N 16° 30' 0" W — Recovered sediment traps - deployed March 1997 - (within 20 nmiles) |
Sediment traps | 48° 49' 59" N 16° 30' 0" W — 8 x Benthic lander and 1 x sediment trap - (within 20 nmiles) |
Sediment traps | 48° 49' 59" N 16° 30' 0" W — Deployed BIOFEED, enrichment expt (to September 1997), Bathysnap - time-lapse camera - (to March 1998) and sediment traps (to September 1997) - (within 20 nmiles) |
Sediment traps | 48° 49' 59" N 16° 30' 0" W — Deployed BIOFEED, enrichment expt. - to March 1998 - (within 20 nmiles) |
Benthic bacteria/micro-organisms | 48° 49' 59" N 16° 30' 0" W — 1 x BIOFEED, enrichment expt and 5 x DEMAR (amphipod trap) + CTD - (within 20 nmiles) |
Benthic bacteria/micro-organisms | 48° 49' 59" N 16° 30' 0" W — 1 x MSAPS (Moored Stand-Alone Pumping System) - (within 20 nmiles) |
Benthic bacteria/micro-organisms | 48° 49' 59" N 16° 30' 0" W — Deployed BIOFEED, enrichment expt (to September 1997), Bathysnap - time-lapse camera - (to March 1998) and sediment traps (to September 1997) - (within 20 nmiles) |
Zoobenthos | 48° 49' 59" N 16° 30' 0" W — 8 x Benthic lander and 1 x sediment trap - (within 20 nmiles) |
Zoobenthos | 48° 49' 59" N 16° 30' 0" W — 1 x BIOFEED, enrichment expt and 5 x DEMAR (amphipod trap) + CTD - (within 20 nmiles) |
Zoobenthos | 48° 49' 59" N 16° 30' 0" W — Recovered MAC, recolonisation expt. - deployed March 1997 - (within 20 nmiles) |
Zoobenthos | 48° 49' 59" N 16° 30' 0" W — Recovered Bathysnap (time lapse camera) - deployed April 1997 and a sediment trap - deployed March 1997 - (within 20 nmiles) |
Zoobenthos | 48° 49' 59" N 16° 30' 0" W — Deployed MAC, recolonisation expt. (to March 1998) - (within 20 nmiles) |
Zoobenthos | 48° 49' 59" N 16° 30' 0" W — Deployed BIOFEED, enrichment expt (to September 1997), Bathysnap - time-lapse camera - (to March 1998) and sediment traps (to September 1997) - (within 20 nmiles) |
Data held at BODC | |
Discrete samples | |
22 CTD frame plus rosette sampler | Transmittance and attenuance of the water column Salinity of the water column Temperature of the water column Dissolved oxygen parameters in the water column Density of the water column Raw fluorometer output Chlorophyll pigment concentrations in water bodies |