Resources

Seeker 2/90

Cruise summary report

Cruise Info. 
Ship nameSeeker
Cruise identifier2/90
Cruise period1990-10-29 — 1990-11-03
StatusCompleted
Port of departureBoston, United Kingdom
Port of returnBoston, United Kingdom
PurposeResearch
ObjectivesTo collect sediment and water samples as part of the JONUS programme to identify and quantify the fate of river bourne nutrients entering the Wash estuaries
Chief scientistStephen James Malcolm (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportSeeker 2/90 cruise report seeker_oct90.pdf (0.88 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificWash Estuary
Measurements 
Physical oceanography 
Subsurface temperature and salinity measurementsQuantity: number of samples = 1
Description: Water samples were collected in the Witham.
Subsurface temperature and salinity measurementsQuantity: number of samples = 3
Description: At Inner Westmark Knock the ATVs were deployed onto the sandbanks and samples for denitrification assay, sediment flux measurement and interstitial water were collected.
Subsurface temperature and salinity measurementsQuantity: number of samples = 1
Description: Water samples were taken from the Wisbech Channel.
Subsurface temperature and salinity measurementsQuantity: number of samples = 1
Description: Interstitial water samples were collected at WSP6, in doing so one ATV had to be abandoned.
Subsurface temperature and salinity measurementsQuantity: number of samples = 3
Description: At Freiston Low all terrain vehicles were deployed to collect samples for denitrification assay, sediment flux measurement and interstitial water.
Subsurface temperature and salinity measurementsQuantity: number of samples = 1
Description: The abandoned ATV was recovered and sediment samples were collected.
Biology and fisheries 
Sediment trapsQuantity: number of samples = 3
Description: At Inner Westmark Knock the ATVs were deployed onto the sandbanks and samples for denitrification assay, sediment flux measurement and interstitial water were collected.
Sediment trapsQuantity: number of samples = 1
Description: The abandoned ATV was recovered and sediment samples were collected.
Sediment trapsQuantity: number of samples = 3
Description: At Freiston Low all terrain vehicles were deployed to collect samples for denitrification assay, sediment flux measurement and interstitial water.