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RRS Charles Darwin CD119C LegB

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Charles Darwin (74AB)
Cruise identifierCD119C LegB
Cruise period1999-08-13 — 1999-09-14
StatusCompleted
Port of departureGovan, United Kingdom
Port of returnSouthampton, United Kingdom
PurposeResearch
ObjectivesObjectives

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 scientistBrian James Bett (Southampton Oceanography Centre)
ProjectWhite Zone (WhiZ) environmental survey
Coordinating bodyNOCS
Cruise reportRRS Charles Darwin CD119C LegB cruise report cd119c_b.pdf (1.99 MB) 
Ocean/sea areas 
GeneralNorth East Atlantic Ocean (limit 40W)
SpecificNorth and West of Shetland
Measurements 
Physical oceanography 
Other physical oceanographic measurementsQuantity: number of deployments = 2
Description: USBL hydrophone, bathysnap mooring,
Biology and fisheries 
ZoobenthosDescription: opportunistic collection of benthic invertebrates such as sponge
Geology and geophysics 
Core - soft bottomQuantity: number of cores = 24
Description: Megacorer and box core; analysis of hydrocarbons, heavy metals and particle size
Bottom photographyQuantity: number of deployments = 43
Description: Wide-Angle Seabed Photography (WASP) system surveying benthic environments with a near bottom echo-sounder (NBES)
Single-beam echosoundingQuantity: number of measurements = 29
Description: ech-sounding
Long/short range side scan sonarQuantity: number of deployments = 6
Description: Towed Ocean Bottom Instrument (TOBI)