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Thalassa TH1099

Cruise summary report

Cruise Info. 
Ship name (ship code)Thalassa (35HT)
Cruise identifierTH1099
Cruise period1999-10-13 — 1999-10-20
StatusCompleted
Port of departureVigo, Spain
Port of returnA Coruña, Spain
ObjectivesThe main objective of the cruise is the study of physical, chemical and biological properties in the continental shelf and shelf-break zone of the Galician coast near the Rias Baixas (NW Spain) during summer.
The results obtained will be used as input data to models and biogeochemical budgets to determine the exchange of matter between the continental shelf and the ocean. This cruise is part of Workpackage 2 of the project OMEX-II, Phase II. The study area is located between Cape Finisterre (43 N) and Ria de Vigo (42° 09' N).
Chief scientistManuel Varela (Spanish Institute of Oceanography, La Coruna Oceanographic Centre)
ProjectOMEX
Cruise reportThalassa TH1099 cruise report thalassa1099.pdf (0.71 MB) 
Ocean/sea areas 
GeneralNorth East Atlantic Ocean (limit 40W)
SpecificCape Finistere to Ria de Vigo
Data held at BODC Get data
Discrete samples 
25  CTD frame plus rosette samplerDissolved total and organic nitrogen concentrations in the water column
Ammonium and ammonia concentration parameters in water bodies
Oxygen production and respiration in the water column
Particulate total and organic nitrogen concentrations in the water column
Zooplankton taxonomy-related abundance per unit volume of the water column
Excretion rate parameters in the water column
Density of the water column
Transmittance and attenuance of the water column
Chlorophyll pigment concentrations in water bodies
Dissolved organic carbon uptake and production in the water column
Phytoplankton taxonomic abundance in water bodies
Primary production in the water column
Silicate concentration parameters in the water column
Salinity of the water column
Nitrate concentration parameters in the water column
Temperature of the water column
Dissolved oxygen parameters in the water column
Microzooplankton taxonomic abundance in water bodies
Nitrite concentration parameters in the water column
Phosphate concentration parameters in the water column
Phytoplankton generic abundance in water bodies
7  Undulating Oceanographic Recorder Tow
22  WP-2 zooplankton netOxygen production and respiration in the water column
Zooplankton taxonomy-related abundance per unit volume of the water column
Excretion rate parameters in the water column
Zooplankton non taxonomy-related biomass expressed as carbon per unit volume of the water column
Zooplankton defecation rates in the water column
Zooplankton dry weight biomass per unit volume of the water column
Stomach and gut contents