RRS Challenger CH9/73

Cruise plan

Cruise Info.
Ship name (ship code)	RRS Challenger (74CH)
Cruise identifier	CH9/73
Cruise period	1973-08-01 — 1973-08-13
Status	Completed
Purpose	Research
Objectives	9/73.Hydrographic and nutrients survey of the Rockall Trough
Chief scientist	Anton Edwards (Scottish Marine Biological Association)
Ocean/sea areas
General	Inner Seas off the West Coast of Scotland North East Atlantic Ocean (limit 40W)
Measurements
Physical oceanography
Bathythermograph	Quantity: number of profiles = 6
Water bottle stations	Quantity: number of stations = 59
Chemical oceanography
Oxygen	Quantity: number of stations = 40
Phosphate	Description: cont.msmnts.for limited parts of the track
Nitrate	Description: cont.msmnts.for limited parts of the track
Nitrite	Quantity: number of stations = 4
Alkalinity	Description: cont.msmnts.for limited parts of the track
Biology and fisheries
Dissolved organic matter (inc DOC)	Quantity: number of stations = 19
Meteorology
Occasional standard measurements
Other meteorological measurements	Description: sea and swell