CTD measurements

MarineBasis-Nuuk has been conducting year-round monthly hydrographic water column measurements at the standard monitoring station (GF3) since october 2005. The water column profiles are obtained using a SeaBird 19Plus Profiler equipped with SeaPoint Fluorometer and Li-Cor Spherical PAR sensor. The CTD profiler and sensors are calibrated app. yearly. More information on the dataset can be found in: Mortensen et al. (2022). Multidecadal water mass dynamics on the west Greenland shelf. Journal of Geophysical Research: Oceans, 127, e2022JC018724. https://doi.org/10.1029/2022JC018724

Data and Resources

This dataset has no data

Additional Info

Field Value
Source https://data.g-e-m.dk/datasets/10.17897/KMEK-TK21
Version 1
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Temporal coverage 1
Temporal coverage start
2005-10-05
Temporal coverage end
2024-12-11
Spatial coverage { "coordinates": [ [ [ -51.883331298828125, 64.11666870117188 ], [ -51.883331298828125, 64.11666870117188 ], [ -51.883331298828125, 64.11666870117188 ], [ -51.883331298828125, 64.11666870117188 ] ] ], "type": "Polygon" }
Station
Collaborator
Variable measured 1
Variable name
Density, Sigma-theta (kg m-3)
Variable description
Density (calculated by SeaBird software)
Variable unit
Kg m-3
Variable URL
https://data.g-e-m.dk/datasets/10.17897/KMEK-TK21#column=Density%2C+Sigma-theta+(kg+m-3)
Variable measured 2
Variable name
Date (YYYY-MM-DD)
Variable description
Sampling date
Variable unit
YYYY-MM-DD
Variable URL
https://data.g-e-m.dk/datasets/10.17897/KMEK-TK21#column=Date+(YYYY-MM-DD)
Variable measured 3
Variable name
Time (HH:MM:SS)
Variable description
Sampling time
Variable unit
HH:MM:SS
Variable URL
https://data.g-e-m.dk/datasets/10.17897/KMEK-TK21#column=Time+(HH%3AMM%3ASS)
Variable measured 4
Variable name
Julian Day
Variable description
Sampling annual julian day
Variable unit
Julian day
Variable URL
https://data.g-e-m.dk/datasets/10.17897/KMEK-TK21#column=Julian+Day
Variable measured 5
Variable name
Station ID
Variable description
Monitoring station ID
Variable unit
Station ID
Variable URL
https://data.g-e-m.dk/datasets/10.17897/KMEK-TK21#column=Station+ID
Variable measured 6
Variable name
Latitude (DD North)
Variable description
Latitude of monitoring station (decimal degrees north)
Variable unit
DD North
Variable URL
https://data.g-e-m.dk/datasets/10.17897/KMEK-TK21#column=Latitude+(DD+North)
Variable measured 7
Variable name
Longitude (DD West)
Variable description
Longitude of monitoring station (decimal degrees west)
Variable unit
DD West
Variable URL
https://data.g-e-m.dk/datasets/10.17897/KMEK-TK21#column=Longitude+(DD+West)
Variable measured 8
Variable name
Pressure (avr. Db)
Variable description
Average per decibar (SeaBird 19Plus profiler, pressure sensor)
Variable unit
Avr. Decibar
Variable URL
https://data.g-e-m.dk/datasets/10.17897/KMEK-TK21#column=Pressure+(avr.+Db)
Variable measured 9
Variable name
Temperature (C)
Variable description
Temperature (SeaBird 19Plus profiler, temperature sensor)
Variable unit
deg C
Variable URL
https://data.g-e-m.dk/datasets/10.17897/KMEK-TK21#column=Temperature+(C)
Variable measured 10
Variable name
Salinity
Variable description
Salinity (SeaBird 19Plus profiler, salinity sensor)
Variable unit
Salinity
Variable URL
https://data.g-e-m.dk/datasets/10.17897/KMEK-TK21#column=Salinity
Variable measured 11
Variable name
Potential temperature (C)
Variable description
Temperature (SeaBird 19Plus profiler, temperature sensor)
Variable unit
deg C
Variable URL
https://data.g-e-m.dk/datasets/10.17897/KMEK-TK21#column=Potential+temperature+(C)
Variable measured 12
Variable name
Fluorescence (app. µg/l)
Variable description
Fluorescence (SeaPoint Fluorometer - not corrected with in situ samples)
Variable unit
app. µg/l
Variable URL
https://data.g-e-m.dk/datasets/10.17897/KMEK-TK21#column=Fluorescence+(app.+%C2%B5g%2Fl)
Variable measured 13
Variable name
PAR (µmol photons m-2 sec-1)
Variable description
Photosynthetic Active Radiation (Li-Cor Spherical PAR sensor)
Variable unit
µmol photons m-2 sec-1
Variable URL
https://data.g-e-m.dk/datasets/10.17897/KMEK-TK21#column=PAR+(%C2%B5mol+photons+m-2+sec-1)
Variable measured 14
Variable name
Turbidity (FTU)
Variable description
Turbidity (SeaPoint Turbidity Sensor - not corrected with in situ samples)
Variable unit
FTU
Variable URL
https://data.g-e-m.dk/datasets/10.17897/KMEK-TK21#column=Turbidity+(FTU)
Measurement Technique
    Date published
    Status
    Publisher 1
    Publisher name
    Greenland Ecosystem Monitoring
    Publisher URL
    https://data.g-e-m.dk