European Directory of Marine Environmental Data (EDMED)

Data set information

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General
Data set name

Primary production and pollution in the Tagus estuary, Portugal (1990)

Data holding centrePGIRH/T, National Project for the Integrated Management of Water Resources of the Tagus Catchment
CountryPortugal  Portugal
Time periodFrom October to December 1990
OngoingNo
Geographical area

Tejo (Tagus) estuary (western Portugal)

Observations 
Parameters

Alkalinity, acidity and pH of the water column; Particulate inorganic carbon concentrations in the water column; Electrical conductivity of the water column; Chlorophyll pigment concentrations in water bodies; Dissolved oxygen parameters in the water column; Primary production in the water column; Concentration of inorganic sulphur species in the water column; Total dissolved inorganic carbon (TCO2) concentration in the water column; Dissolved inorganic nitrogen concentration in the water column; Temperature of the water column; Concentration of suspended particulate material in the water column; Phaeopigment concentrations in the water column

Instruments

Fluorometers; nutrient analysers; discrete water samplers; salinity sensor; dissolved gas sensors; pH sensors

Description 
Summary

Data for primary production, using the oxygen method, are available for three stations of the Tejo estuary. The samples were collected every two weeks at three light penetration depths (100 per cent, 75 per cent and 10 per cent), at high tide.

OriginatorsPGIRH/T, National Project for the Integrated Management of Water Resources of the Tagus Catchment
Availability 
OrganisationPGIRH/T, National Project for the Integrated Management of Water Resources of the Tagus Catchment
AvailabilityBy negotiation
ContactProject Director - Eng. Margarida Cardoso da Silva
Address

PGIRH/T, National Project for the Integrated Management of Water Resources of the Tagus Catchment
Rua Antero Quental, 44-6
Lisboa

1100
Portugal

Telephone+351 1 543544
Administration 
Collating centreIHPT, Hydrographic Institute
Local identifier15029003
Global identifier2256
Last revised2009-10-30