Resources

HMS Hydra ST.342-431

Cruise summary report

Cruise Info. 
Ship name (ship code)HMS Hydra (74HY)
Cruise identifierST.342-431
Cruise period1969-05-04 — 1969-06-06
StatusCompleted
PurposeNaval
Ocean/sea areas 
GeneralNorth Atlantic Ocean
Track chartsHMS Hydra ST.342-431 cruise track — trk2101.html HMS Hydra ST.342-431 cruise track — trk2101b.html HMS Hydra ST.342-431 cruise track — trk2101c.html
Measurements 
Physical oceanography 
BathythermographQuantity: number of profiles = 233
Description: mechanical
Water bottle stationsQuantity: number of stations = 90
Sea level (inc. bot. press., inverted echosounder)Description: echo sounder PDR
Chemical oceanography 
Oxygen
Phosphate
Nitrate
Silicate
IsotopesDescription: C14
Biology and fisheries 
Phytoplankton pigs (eg chlorophyll, fluorescence)Description: chlorophyll
Phytoplankton