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RRS Charles Darwin CD119C LegB
Cruise summary report
Cruise Info. | |
Ship name (ship code) | RRS Charles Darwin (74AB) |
Cruise identifier | CD119C LegB |
Cruise period | 1999-08-13 — 1999-09-14 |
Status | Completed |
Port of departure | Govan, United Kingdom |
Port of return | Southampton, United Kingdom |
Purpose | Research |
Objectives | Objectives
1. Complete TOBI sidescan sonar survey of the "White Zone" begun on RRS Charles Darwin cruise 119C leg A. 2. Carry out photographic surveys of the "White Zone" to ground truth the sidescan sonar imagery and provide an assessment of the seabed fauna. 3. Carry out seabed sampling to further ground truth the sidescan sonar imagery and generate samples for the future analysis of selected environmental parameters (hydrocarbons, elements, particle size). |
Chief scientist | Brian James Bett (Southampton Oceanography Centre) |
Project | White Zone (WhiZ) environmental survey |
Coordinating body | NOCS |
Cruise report | (1.99 MB) |
Ocean/sea areas | |
General | North East Atlantic Ocean (limit 40W) |
Specific | North and West of Shetland |
Measurements | |
Physical oceanography | |
Other physical oceanographic measurements | Quantity: number of deployments = 2 Description: USBL hydrophone, bathysnap mooring, |
Biology and fisheries | |
Zoobenthos | Description: opportunistic collection of benthic invertebrates such as sponge |
Geology and geophysics | |
Core - soft bottom | Quantity: number of cores = 24 Description: Megacorer and box core; analysis of hydrocarbons, heavy metals and particle size |
Bottom photography | Quantity: number of deployments = 43 Description: Wide-Angle Seabed Photography (WASP) system surveying benthic environments with a near bottom echo-sounder (NBES) |
Single-beam echosounding | Quantity: number of measurements = 29 Description: ech-sounding |
Long/short range side scan sonar | Quantity: number of deployments = 6 Description: Towed Ocean Bottom Instrument (TOBI) |