Cruise inventory

John Stephenson

Cruise summary report

Cruise Info. 
Ship nameJohn Stephenson
Cruise period1983-03-22 — 1983-03-29
StatusCompleted
Port of departureCowes, United Kingdom
Port of returnCowes, United Kingdom
PurposeResearch
Objectives1. To resurvey the area of seabed gravel between Yarmouth and Hamstead Ledge in the West Solent; the area having been previously surveyed by IOS Taunton in January 1981.
2. To carry out simultaneous tidal stream observations at two stations in the gravel area of the West Solent.
3. To carry out preliminary onservations for a possible future study on a drying gravel bank.
Chief scientistD Nicholas Langhorne (Institute of Oceanographic Sciences Taunton)
Cruise reportJohn Stephenson  cruise report john_stephenson_mar83.pdf — access key 'C' (0.10 MB) 
Ocean/sea areas 
GeneralEnglish Channel
SpecificThe Solent
Measurements 
Physical oceanography 
Current profiler (eg ADCP)Description: DNC-3 direct reading current meters were used throughout the cruise. No. of samples not noted.
Geology and geophysics 
Bottom photographyQuantity: number of images = 1
Description: An underwater TV camera survey took place close to the north face of the Winner Bank.
Single-beam echosoundingQuantity: number of experiments = 2
Description: A Raytheon echo sounder transducer and EG and G sidescan sonar.
Long/short range side scan sonarQuantity: number of experiments = 2
Description: A Raytheon echo sounder transducer and EG and G sidescan sonar.