European Directory of Marine Environmental Data (EDMED)

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General
Data set name

Joint Nutrient Study (JONUS) hydrographic and nutrient data in the North Sea (1990-1993)

Data holding centreCentre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory
CountryUnited Kingdom  United Kingdom
Time periodFrom May 1990 to December 1993
OngoingNo
Geographical area

North Sea (Humber estuary, Wash)

Observations 
Parameters

Ammonium and ammonia concentration parameters in water bodies; Particulate total and organic nitrogen concentrations in the water column; Nitrate concentration parameters in the water column; Phosphate concentration parameters in the water column; Salinity of the water column; Dissolved total and organic nitrogen concentrations in the water column; Temperature of the water column; Concentration of suspended particulate material in the water column

Instruments

CTD; discrete water samplers; sediment grabs; unconsolidated sediment corers

Description 
Summary

The Joint Nutrient Study (JONUS) coordinated by CEFAS, aims to identify and quantify the fate of river-borne nutrients entering the Wash and the Humber estuary, examining nutrient distributions and critical processes from the river inputs to the North Sea in intertidal and subtidal sediments and in the water column. Twenty cruises have been made to collect data since 1990 for the JONUS project. Data were collected using CTDs, water bottles and sediment cores and grab samples. The parameters measured were temperature, salinity, ammonia, suspended load, phosphate, nitrite and total oxidised nitrogen. Over 6000 samples have been collected in support of the study.

OriginatorsCentre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory
Data web sitehttp://www.cefas.co.uk/
Availability 
OrganisationCentre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory
AvailabilityLicence
ContactContracts Office, CEFAS, Lowestoft
Address

Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory
Pakefield Road
Lowestoft
Suffolk
NR33 OHT
United Kingdom

Telephone+44 1621 562244
Facsimile+44 (0)1502 513865
Administration 
Collating centreBritish Oceanographic Data Centre
Local identifier1029042
Global identifier422
Last revised2009-04-28