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Bode, Antonio; Álvarez, Marta; Ruiz-Villarreal, Manuel; Varela, Marta M (2018): Time series of hydrographic, chemical and primary production variables for a shelf station off A Coruña (NW Spain): 1989-2016. PANGAEA, https://doi.org/10.1594/PANGAEA.885413

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Abstract:
Water column discrete observations of temperature, salinity, density, irradiance, dissolved nutrients (nitrate, nitrite, phosphate, ammonium, silicate), oxygen, chlorophyll-a, primary production (carbon uptake) rates, and particulate organic carbon and nitrogen (NW Spain) from samples collected monthly at a shelf station off A Coruña between 1989 and 2016.
These series are part of the long-term observational project RADIALES (Instituto Español de Oceanografía, IEO, Spain).
Related to:
Bode, Antonio; Álvarez, Marta; Ruiz-Villarreal, Manuel; Varela, Marta M (submitted): Long-term changes in phytoplankton production and biomass unrelated to upwelling intensity off A Coruña (NW Spain). Limnology and Oceanography
Further details:
Bode, Antonio; Anadón, Ricardo; Morán, Xosé Anxelu G; Nogueira, Antonio; Teira, Eva; Varela, Manuel (2011): Decadal variability in chlorophyll and primary ­production off NW Spain. Climate Research, 48(2), 293-305, https://doi.org/10.3354/cr00935
Grasshoff, Klaus; Ehrhardt, M; Kremling, Klaus (1983): Methods of seawater analysis. Verlag Chemie, Weinheim, 419 pp
Neveux, Jacques; Panouse, Michel (1987): Spectrofluorometric determination of chlorophylls and pheophytins. Archiv für Hydrobiologie, 109, 567-581
Parsons, T R; Maita, Y; Lalli, C M (1984): A manual of chemical and biological methods for seawater analysis. Pergamon Press, Oxford, 173 pp
Coverage:
Latitude: 43.421660 * Longitude: -8.436660
Date/Time Start: 1989-01-30T00:00:00 * Date/Time End: 2016-12-13T00:00:00
Minimum DEPTH, water: m * Maximum DEPTH, water: 74 m
Event(s):
E2CO * Latitude: 43.421660 * Longitude: -8.436660 * Date/Time Start: 1989-01-01T00:00:00 * Date/Time End: 2018-01-01T00:00:00 * Elevation: -80.0 m * Location: Galicia Margin * Device: Bottle, Niskin (NIS)
Comment:
Method comment:
1) Chla: filtration (Millipore cellulose acetate 0.8 µm pore-size until 1992; Whatman GF/F filters from 10992 onwards), extraction in 90% acetone overnight (-20°C) and measured fluorometrically (until 2000) or espectrofluorometrically (from 2000 onwards). Intercallibration adjustments between methods were made to ensure the compatibility of the series for the entire sampling period. References: Parsons et al. 1984; Neveux and Panouse 1987.
2) PP: 14C-bicarbonate uptake.in situ-simulated incubations for 2h at noon. Reference: Bode et al. (2011).
3) POC, PON, C:N: Filtration (Whatman GF/C filters until 1996; GF/F from 1996 onwards), drying (60°C) and combustion in elemental analyzer (Parsons et al. 1984)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethodComment
1DATE/TIMEDate/TimeBode, AntonioGeocode – Sampling time: around noon
2DEPTH, waterDepth watermBode, AntonioGeocode
3Temperature, waterTemp°CBode, AntonioCTD, SEA-BIRD SBE 25 SEALOGGER
4SalinitySalBode, AntonioCTD, SEA-BIRD SBE 25 SEALOGGER
5Density, sigma-theta (0)Sigma-thetakg/m3Bode, AntonioCTD, SEA-BIRD SBE 25 SEALOGGER
6Radiation, photosynthetically activePARµmol quanta/m2/sBode, AntonioCTD, SEA-BIRD SBE 25 SEALOGGER
7Nitrate[NO3]-µmol/lBode, AntonioColorimetry, flow-segmented (Grasshoff et al. 1983)equals mmol/m**3
8Nitrite[NO2]-µmol/lBode, AntonioColorimetry, flow-segmented (Grasshoff et al. 1983)equals mmol/m**3
9Phosphate[PO4]3-µmol/lBode, AntonioColorimetry, flow-segmented (Grasshoff et al. 1983)equals mmol/m**3
10Ammonium[NH4]+µmol/lBode, AntonioColorimetry, flow-segmented (Grasshoff et al. 1983)equals mmol/m**3
11SilicateSi(OH)4µmol/lBode, AntonioColorimetry, flow-segmented (Grasshoff et al. 1983)dissolved reactive silica; equals mmol/m**3
12OxygenO2µmol/lBode, AntonioWinkler titration (Parsons et al. 1984)originally given in ml/l and recalculated by multiplying by 44.66
13OxygenOXYGENµmol/kgBode, AntonioWinkler titration (Parsons et al. 1984)
14Oxygen saturationO2 sat%Bode, Antonio
15Chlorophyll aChl aµg/lBode, Antonioequals mg/m**3
16Primary production of carbon per hourPP Cmg/m3/hBode, Antonio
17Carbon, organic, particulatePOCµmol/lBode, Antonioequals mmol/m**3
18Nitrogen, organic, particulatePONµmol/lBode, Antonioequals mmol/m**3
19Carbon/Nitrogen ratioC/NBode, Antoniomolar
Size:
33438 data points

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