RRS Challenger CH143

Cruise summary report

Cruise Info.
Ship name (ship code)	RRS Challenger (74CH)
Cruise identifier	CH143
Cruise period	1999-05-24 — 1999-06-09
Status	Completed
Port of departure	Govan, United Kingdom
Port of return	Oban, United Kingdom
Purpose	Research
Objectives	Recovery of BENBO Moorings A, B, C. Ellett Line standard hydrographic survey. Physical, biological and chemical surveys of shelf depressions, Stanton Deep and Muck Deep. Deploy moorings in Muck Deep and Tiree Passage.
Chief scientist	Ken Jones (Scottish Association for Marine Science)
Project	BENBO/DYME
Coordinating body	DML/CCMS
Ocean/sea areas
General	North East Atlantic Ocean (limit 40W)
Specific	Rockall Channel
Measurements
Physical oceanography
Bathythermograph	Quantity: number of profiles = 11 Description: XBT drops
CTD stations	Quantity: number of profiles = 43 Description: CTD casts
Data held at BODC
Discrete samples
41 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 light meter output Raw fluorometer output