Cruise inventory

FS Meteor M42_1

Cruise summary report

Cruise Info. 
Ship name (ship code)FS Meteor (06M3)
Cruise identifierM42_1
Cruise period1998-06-16 — 1998-10-26
StatusCompleted
Port of departureLas Palmas, Spain
Port of returnViana do Castelo, Portugal
PurposeResearch
ObjectivesCANGO project aims:
1) To better understand the processes of physical and bio-geochemical fluxes in the eastern subtropical gyre of the North Atlantic
2) Investigation of the effects of seasonal upwelling
3) Investigation of input of Sahara dust into the ocean
4) Investigation of exchange processes between the Atlantic and Mediterranean

Additional aims:
1)The exchange of longterm mooring carrying current meters and particle traps in the eastern boundary current system and at the European time series station ESTOC
2) The recovery of current meters in the Mediterranean outflow region off Portugal
3) A closed box north of the Canary Islands sampled for hydrographic, bio-geochemical and bio-optical variables
4) Vertical profiles of dissolved organic carbon taken
5) Fish levels from the Antarctic Intermediate and Mediterranean water mass levels studied
6) Contribute to all components of ESTOC
7) Meteorological station - weather consultation (issuing daily weather forecasts), meteorological observations and measurements, and determination of the net total radiation at sea. Global solar radiation and atmospheric radiation, reflected solar radiation and terrestrial surface radiation computed using numerical models measured. Direct solar radiation, sunshine duration and UV-B global radiation also measured.

Docked at Las Palmas on the 25/06/98 for 1 day to unload and load equipment and exchange personnel
Chief scientistThomas J Müller (Institute of Marine Sciences, Kiel)
ProjectCanary Islands Azores Gibraltar Observations
Coordinating bodyIntergovernmental Oceanographic Commission (IOC)
Cruise reportFS Meteor M42_1 cruise report meteor42_98part1.pdf — access key 'C' (0.59 MB) 
Ocean/sea areas 
GeneralNorth Atlantic Ocean
SpecificLas Palmas, Lisbon
Track chartsFS Meteor M42_1 cruise track — meteor42_98track.pdf (00 MB) 
Measurements 
Physical oceanography 
CTD stationsQuantity: number of stations = 45
Description: Down-to-bottom measurements of temperature and salinity
Current metersQuantity: number of recoveries = 10
Description: 4 moorings in the eastern boundary current with current meters, particel traps, influx current meters, and a nutrient recorder exchanged. 6 current meter moorings recovered off Portugal.
Current profiler (eg ADCP)Quantity: number of stations = 45
Description: Down-to-bottom measurements of currents
Chemical oceanography 
OxygenQuantity: number of stations = 45
Description: Down-to-bottom measurements of dissolved oxgyen
SilicateQuantity: number of stations = 45
Description: Down-to-bottom measurements
Other chemical oceanographic measurementsQuantity: number of stations = 45
Description: Down-to-bottom measurements of nutrients
Contamination 
Trace metalsQuantity: number of stations = 45
Description: Down-to-bottom measurements including aluminium, additional samples taken with in situ pumps
Biology and fisheries 
Primary productivityQuantity: number of stations = 45
Description: Coccolithophores and diatoms taken from the upper ocean
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: number of stations = 45
Description: Down-to-bottom measurements of chlorophyll. Bio-optic variables measured to 2000m
Dissolved organic matter (inc DOC)Quantity: number of stations = 45
Description: Down-to-bottom measurements of dissolved organic carbon taken with rosette
PhytoplanktonDescription: Parallel to drifting moorings, incubation rates measured in seawater samples from upper ocean. Used to measure the growth rate of phytoplankton in water taken from traps' depth
ZooplanktonDescription: Parallel to drifting moorings, incubation rates measured in seawater samples from upper ocean. Used to measure the grazing rates of zooplankton in water taken from traps' depth