Cruise inventory

RV Corystes COR4/98

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Corystes (74RY)
Cruise identifierCOR4/98
Cruise period1998-04-01 — 1998-04-06
StatusCompleted
Port of departureLowestoft, United Kingdom
Port of returnLowestoft, United Kingdom
PurposeResearch
Objectives1. To recover two Minipods at Threshold and the New dredge disposal site at Harwich and obtain sediment samples at those sites.
2. To deploy two U shaped moorings and two single point moorings in the Thames estuary as part of the Smart Biophysical Moorings campaign (A1108).
3. To trial two SWATH bathymetry systems on the Cross sands area (ELAC and Submetrix).
4. To trial two digital sidescan systems for identification of biotopes.
Chief scientistJonathon Mark Rees (Centre for Environment, Fisheries and Aquaculture Science Lowestoft Laboratory)
Cruise reportRV Corystes COR4/98 cruise report co04_98.pdf — access key 'C' (0.33 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificHarwich, Thames and Cross Sands
Measurements 
Physical oceanography 
BathythermographQuantity: number of surveys = 5
Description: A bathymetric survey with the ELAC system was completed over 5 lines.
BathythermographQuantity: number of surveys = 5
Description: A bathymetric system completed along 5 lines using the Submetrix system.
Current metersQuantity: number of recoveries = 5
Description: 2 Minipods and 3 guard bouys were recovered from Harwich.
Current metersQuantity: number of deployments = 3
Description: 2 current meters were deployed at the Thames site along with the SMART water sampling mooring.
Current metersQuantity: number of deployments = 4
Description: 3 Minipods were deployed offshore of Cross Sands, along with another current meter.
Biology and fisheries 
Gear researchQuantity: number of surveys = 3
Description: the EdgeTech sidescan sonar was tested on 3 survey lines.
Geology and geophysics 
GrabQuantity: number of samples = 14
Description: 14 mini Hamon Grab samples were collected to help with the calibration of the sidescan and swath bethymetry.
GrabQuantity: number of measurements = 8
Description: 2 sidescans, using the Klein system, and 6 Hamon Grabs took place.
Long/short range side scan sonarQuantity: number of measurements = 8
Description: 2 sidescans, using the Klein system, and 6 Hamon Grabs took place.
Long/short range side scan sonarQuantity: number of surveys = 1
Description: A short sidescan survey was completed using the Klein 2000.