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RRS Charles Darwin CD122
Cruise summary report
Cruise Info. | |
Ship name (ship code) | RRS Charles Darwin (74AB) |
Cruise identifier | CD122 |
Cruise period | 2000-05-10 — 2000-05-23 |
Status | Completed |
Port of departure | Southampton, United Kingdom |
Port of return | Glasgow, United Kingdom |
Purpose | Research |
Objectives | First in a series of cruises to study physical and biogeochemical processes in the Clyde Sea which form part of the CCMS Restricted Exchange Environment programme and EU program 'OAERRE' (Oceanographic Applications for Eutrophication in Regions of Restricted Exchange).
Main objectives: 1) To investigate processes of vertical and horizontal exchange in the Clyde Sea; 2) To characterise pelagic microplankton communities and quantify their production and respiration rates; 3) To measure sediment properties and quantify benthic degradation rates. Tasks: 1) Lay and recover oceanographic moorings on the Clyde Sill and Kilbrannon Sound; 2) Survey hydrographic, chemical and biological distributions in the Clyde Sea; 3) Obtain shallow (<30cm) and deep (~3m) sediment cores. |
Chief scientist | Ken Jones (Scottish Association for Marine Science) |
Project | CCMS REEs programme/OAERRE |
Coordinating body | CCMS/EU Framework V |
Ocean/sea areas | |
General | Inner Seas off the West Coast of Scotland |
Specific | Outer Firth of Clyde, North Channel, Inner Firth of Clyde |
Track charts | ![]() |
Measurements | |
Physical oceanography | |
Surface measurements underway (T,S) | Quantity: activity duration in days = 14 Description: RVS SURFMET package on passage to Clyde and in Clyde Sea area |
Water bottle stations | Quantity: number of stations = 4 Description: Interfacial sampler - water botles at 15cm intervals up to 2m above bed |
Water bottle stations | Quantity: number of profiles = 17 Description: Bottle casts for nutrients, oxygen, pigments and POC/PON |
CTD stations | Quantity: number of profiles = 134 Description: CTD casts |
Subsurface temperature and salinity measurements | Quantity: track kilometres = 601.9 Description: SEASOAR tracks within Clyde Sea area |
Transparency (eg transmissometer) | Quantity: activity duration in days = 14 Description: RVS SURFMET package on passage to Clyde and in Clyde Sea area |
Transparency (eg transmissometer) | Quantity: track kilometres = 601.9 Description: SEASOAR tracks within Clyde Sea area |
Optics (eg underwater light levels) | Quantity: activity duration in days = 14 Description: RVS SURFMET package on passage to Clyde and in Clyde Sea area |
Optics (eg underwater light levels) | Quantity: number of profiles = 134 Description: CTD casts |
Chemical oceanography | |
Oxygen | Quantity: number of profiles = 17 Description: Bottle casts for nutrients, oxygen, pigments and POC/PON |
Oxygen | Quantity: number of profiles = 134 Description: CTD casts |
Oxygen | Quantity: track kilometres = 601.9 Description: SEASOAR tracks within Clyde Sea area |
Phosphate | Quantity: number of profiles = 17 Description: Bottle casts for nutrients, oxygen, pigments and POC/PON |
Nitrate | Quantity: number of profiles = 17 Description: Bottle casts for nutrients, oxygen, pigments and POC/PON |
Ammonia | Quantity: number of profiles = 17 Description: Bottle casts for nutrients, oxygen, pigments and POC/PON |
Silicate | Quantity: number of profiles = 17 Description: Bottle casts for nutrients, oxygen, pigments and POC/PON |
Trace elements | Quantity: number of cores = 5 Description: DML/SAMS spear corer |
Trace elements | Quantity: number of cores = 3 Description: Gravity corer |
Trace elements | Quantity: number of cores = 2 Description: SHOLKOVITZ corer |
Isotopes | Quantity: number of cores = 2 Description: SHOLKOVITZ corer |
Isotopes | Quantity: number of cores = 3 Description: Gravity corer |
Isotopes | Quantity: number of cores = 5 Description: DML/SAMS spear corer |
Contamination | |
Suspended matter | Quantity: number of samples = 52 Description: GALAI particle size analyser |
Suspended matter | Quantity: number of profiles = 133 Description: Suspended particulate matter - gravimetric |
Suspended matter | Quantity: number of profiles = 121 Description: LIST laser particle size profiler |
Biology and fisheries | |
Primary productivity | Quantity: number of experiments = 5 Description: 14C uptake simulated in-situ deck incubations, 24 hour |
Phytoplankton pigs (eg chlorophyll, fluorescence) | Quantity: activity duration in days = 14 Description: RVS SURFMET package on passage to Clyde and in Clyde Sea area |
Phytoplankton pigs (eg chlorophyll, fluorescence) | Quantity: number of stations = 4 Description: Interfacial sampler - water botles at 15cm intervals up to 2m above bed |
Phytoplankton pigs (eg chlorophyll, fluorescence) | Quantity: number of profiles = 17 Description: Bottle casts for nutrients, oxygen, pigments and POC/PON |
Particulate organic matter (inc POC, PON) | Quantity: number of stations = 4 Description: Interfacial sampler - water botles at 15cm intervals up to 2m above bed |
Particulate organic matter (inc POC, PON) | Quantity: number of profiles = 17 Description: Bottle casts for nutrients, oxygen, pigments and POC/PON |
Phytoplankton | Quantity: number of stations = 10 Description: Phytoplankton enumeration/ microzooplankton enumeration, microzooplankton grazing |
Zooplankton | Quantity: number of stations = 10 Description: Phytoplankton enumeration/ microzooplankton enumeration, microzooplankton grazing |
Pelagic bacteria/micro-organisms | Quantity: number of stations = 2 Description: Bacterial production and number near-bed profiles |
Pelagic bacteria/micro-organisms | Quantity: number of stations = 8 Description: Bacterial production and number profiles |
Benthic bacteria/micro-organisms | Quantity: number of stations = 9 Description: Multi-corer - oxygen uptake - sediment properties - sulphate reduction |
Other biological/fisheries measurement | Quantity: number of experiments = 17 Description: Microplankton community oxygen uptake - Microwinkler 24 hour incubations |
Meteorology | |
Routine standard measurements | Quantity: activity duration in days = 14 Description: RVS SURFMET package on passage to Clyde and in Clyde Sea area |
Geology and geophysics | |
Core - soft bottom | Quantity: number of cores = 5 Description: DML/SAMS spear corer |
Core - soft bottom | Quantity: number of cores = 3 Description: Gravity corer |
Core - soft bottom | Quantity: number of cores = 2 Description: SHOLKOVITZ corer |
Moorings, landers, buoys | |
Physical oceanography | |
Subsurface temperature measurements | 55° 22' 47" N 5° 25' 35" W — Deployed and recovered May 2000 - 9 day deployment |
Subsurface temperature measurements | 55° 14' 55" N 5° 15' 45" W — Deployed and recovered May 2000 - 9 day deployment |
Subsurface temperature measurements | 55° 13' 58" N 5° 5' 2" W — Deployed and recovered May 2000 - 9 day deployment |
Transparency (eg transmissometer) | 54° 48' 36" N 5° 15' 50" W — Deployed 13 May 2000 |
Current meters | 54° 48' 36" N 5° 15' 50" W — Deployed 13 May 2000 |
Current meters | 55° 14' 55" N 5° 15' 45" W — Deployed and recovered May 2000 - 9 day deployment |
Current meters | 55° 22' 47" N 5° 25' 35" W — Deployed and recovered May 2000 - 9 day deployment |
Current meters | 55° 13' 58" N 5° 5' 2" W — Deployed and recovered May 2000 - 9 day deployment |
Current profiler (eg ADCP) | 55° 39' 43" N 5° 25' 44" W — Deployed and recovered May 2000 - 9 day deployment |
Current profiler (eg ADCP) | 55° 14' 55" N 5° 15' 45" W — Deployed and recovered May 2000 - 9 day deployment |
Current profiler (eg ADCP) | 55° 22' 47" N 5° 25' 35" W — Deployed and recovered May 2000 - 9 day deployment |
Chemical oceanography | |
Other chemical oceanographic measurements | 55° 48' 14" N 5° 15' 29" W — Deployed benthic lander/ sediment profiler - 12 hour deployment |
Other chemical oceanographic measurements | 55° 58' 49" N 4° 53' 26" W — Deployed benthic lander/ sediment profiler - 12 hour deployment |
Other chemical oceanographic measurements | 55° 48' 16" N 5° 15' 34" W — Deployed bethic lander/ sediment profiler - 24 hour deployment |
Other chemical oceanographic measurements | 55° 14' 56" N 5° 15' 55" W — Deployed benthic lander/ sediment profiler - 12 hour deployment |
Biology and fisheries | |
Sediment traps | 54° 48' 36" N 5° 15' 50" W — Deployed 13 May 2000 |
Phytobenthos | 54° 48' 36" N 5° 15' 50" W — Deployed 13 May 2000 |