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Sea surface measurements of temperature, salinity, dissolved inorganic carbon (DIC) and its isotopic composition (d13CDIC), total alkalinity (At), inorganic nutrients and water stable isotopes (d18O and dD) during the ships of opportunity cruises (SOOP) along the 76 transects between Iceland and Newfoundland in the North Atlantic Ocean from 1993-07-01 to 2017-11-27 (NCEI Accession 0172559)

INVESTIGATORS:
Gilles Reverdin - Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques (LOCEAN)
Nicolas Metzl ORCID logo - Sorbonne University (SU)

PACKAGE DESCRIPTION: This dataset is the SURATLANT (SURveillance ATLANTique) dataset and consists of individual data of temperature, salinity, dissolved inorganic carbon (DIC) and its isotopic composition d13CDIC, total alkalinity (At), inorganic nutrients and water stable isotopes (d18O and dD) collected mostly from ships of opportunity between 1993 and 2017 along 76 transects between Iceland and Newfoundland in the North Atlantic Ocean. The data have been validated, qualified, and their accuracy and the overall characteristics of the dataset are presented in a paper (Reverdin et al., 2018, submitted to ESSD).

CITE AS: Reverdin, Gilles; Metzl, Nicolas; Ólafsdóttir, Sólveig Rósa; Racapé, Virginie; Takahashi, Taro; Benetti, Marion; Valdimarsson, Héðinn; Quay, Paul D.; Benoit-Cattin, Alice; Danielsen, Magnus; Fin, Jonathan; Naamar, Aïcha; Pierrot, Denis; Sullivan, Kevin F.; Bringas, Francis; Goni, Gustavo J. (2018). Sea surface measurements of temperature, salinity, dissolved inorganic carbon (DIC) and its isotopic composition (d13CDIC), total alkalinity (At), inorganic nutrients and water stable isotopes (d18O and dD) during the ships of opportunity cruises (SOOP) along the 76 transects between Iceland and Newfoundland in the North Atlantic Ocean from 1993-07-01 to 2017-11-27 (NCEI Accession 0172559). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.7289/v53f4mxk. Accessed [date].


DATA PACKAGES RELATED TO THIS ONE:
none;
IDENTIFICATION INFORMATION FOR THIS DATA PACKAGE:
NCEI ACCESSION: 0172559
NCEI DOI: https://doi.org/10.7289/v53f4mxk

TYPES OF STUDY:
Surface underway;

TEMPORAL COVERAGE:
START DATE: 1993-07-01
END DATE: 2017-11-27

SPATIAL COVERAGE:
NORTH: 68
WEST: -59.6
EAST: -13
SOUTH: 45.5

GEOGRAPHIC NAMES:
North Atlantic ocean;

PLATFORMS:
Various (ID: SOOP);

RESEARCH PROJECT(S):
none;


VARIABLES / PARAMETERS:

Dissolved Inorganic Carbon
Abbreviation: DIC
Unit: umol/kg
Observation type: Surface samples
Measured or calculated: Measured
Sampling instrument: Seawater pump
Analyzing instrument: Coulometric method for 1993-1997, Potentiometric method for 2001-2017
Detailed sampling and analyzing information: Samples measured back in laboratory, Coulometric method for 1993-1997 (Chipman et al,1993), potentiometric titration (Edmond, 1970) closed cell (Laboratory home-made), calculations DOE (1994) for 2001-2017
CRM manufacturer: Univ California San Diego, SIO, A. Dickson
CRM batch number: 64,66,71,73,77,83,88,97,99,104,116,119,122,128,131,139,155,165
Preservation method: HgCl2 saturated
Preservative volume: 200-300 mL
Uncertainty: 3 umol/kg
Quality flag convention: WOCE/GLODAP (2 Acceptable, 3 Questionnable, 4 Bad, 9 No data)
Method reference: Corbiere, A., N. Metzl, G. Reverdin, C. Brunet and T. Takahashi, 2007. Interannual and decadal variability of the oceanic carbon sink in the North Atlantic subpolar gyre. Tellus B, Vol. 59, issue 2, 168-179, https://doi.org/10.1111/j.1600-0889.2006.00232.x
Researcher name: Nicolas Metzl
Researcher institution: LOCEAN CNRS, Paris France
Total alkalinity
Abbreviation: At
Unit: umol/kg
Observation type: Surface samples
Measured or calculated: Measured
Sampling instrument: Seawater pump
Analyzing instrument: Potentiometric titration
Type of titration: Potentiometric titration
Cell type (open or closed): Closed (Laboratory Home-made)
Curve fitting method: DOE (1994)
Detailed sampling and analyzing information: Samples measured back in laboratory, potentiometric titration (Edmond, 1970) closed cell (Laboratory home-made), calculations DOE (1994)
CRM manufacturer: Univ California San Diego, SIO, A. Dickson
CRM batch number: 64,66,71,73,77,83,88,97,99,104,116,119,122,128,131,139,155,165
Preservation method: HgCl2 saturated
Preservative volume: 200-300 mL
Uncertainty: 3 umol/kg
Quality flag convention: WOCE/GLODAP (2 Acceptable, 3 Questionnable, 4 Bad, 9 No data)
Method reference: Corbiere, A., N. Metzl, G. Reverdin, C. Brunet and T. Takahashi, 2007. Interannual and decadal variability of the oceanic carbon sink in the North Atlantic subpolar gyre. Tellus B, Vol. 59, issue 2, 168-179, https://doi.org/10.1111/j.1600-0889.2006.00232.x
Researcher name: Nicolas Metzl
Researcher institution: LOCEAN CNRS, Paris France
Sea surface temperature
Abbreviation: SST
Unit: C
Observation type: Surface samples
Sampling instrument: Seawater pump
Analyzing instrument: Thermosalinographs TSG (SBE21, SBE45) and external SBE38
Quality flag convention: WOCE/GLODAP (2 Acceptable, 3 Questionnable, 4 Bad, 9 No data)
Researcher name: Gilles Reverdin
Researcher institution: LOCEAN CNRS, Paris France
Sea surface salinity
Abbreviation: Salinity
Unit: PSU
Observation type: Surface samples
Sampling instrument: Seawater pump
Analyzing instrument: Thermosalinographs TSG (SBE21, SBE45) and discrete samples
Quality flag convention: WOCE/GLODAP (2 Acceptable, 3 Questionnable, 4 Bad, 9 No data)
Researcher name: Gilles Reverdin
Researcher institution: LOCEAN CNRS, Paris France
Sea surface phosphates
Abbreviation: PHOS
Unit: umol/kg
Observation type: Surface samples
Sampling instrument: Seawater pump
Analyzing instrument: colorimetric method
Uncertainty: 0,03 umol/kg
Quality flag convention: WOCE/GLODAP (2 Acceptable, 3 Questionnable, 4 Bad, 9 No data)
Method reference: Olafsson, J., Olafsdottir, S. R., Benoit-Cattin, A., and Takahashi, T.: The Irminger Sea and the Iceland Sea time series measurements of sea water carbon and nutrient chemistry 1983-2008. Earth Syst. Sci. Data 2, 99-104, 2010
Researcher name: Solveig Olafsdottir
Researcher institution: Marine and Freshwater Research Institute, Reykjavik, Iceland
Sea surface nitrates+nitrites
Abbreviation: NIT
Unit: umol/kg
Observation type: Surface samples
Sampling instrument: Seawater pump
Analyzing instrument: colorimetric method
Uncertainty: 0,2 umol/kg
Quality flag convention: WOCE/GLODAP (2 Acceptable, 3 Questionnable, 4 Bad, 9 No data)
Method reference: Olafsson, J., Olafsdottir, S. R., Benoit-Cattin, A., and Takahashi, T.: The Irminger Sea and the Iceland Sea time series measurements of sea water carbon and nutrient chemistry 1983-2008. Earth Syst. Sci. Data 2, 99-104, 2010
Researcher name: Solveig Olafsdottir
Researcher institution: Marine and Freshwater Research Institute, Reykjavik, Iceland
Sea surface silicates
Abbreviation: SIL
Unit: umol/kg
Observation type: Surface samples
Sampling instrument: Seawater pump
Analyzing instrument: colorimetric method
Uncertainty: 0,2 umol/kg
Quality flag convention: WOCE/GLODAP (2 Acceptable, 3 Questionnable, 4 Bad, 9 No data)
Method reference: Olafsson, J., Olafsdottir, S. R., Benoit-Cattin, A., and Takahashi, T.: The Irminger Sea and the Iceland Sea time series measurements of sea water carbon and nutrient chemistry 1983-2008. Earth Syst. Sci. Data 2, 99-104, 2010
Researcher name: Solveig Olafsdottir
Researcher institution: Marine and Freshwater Research Institute, Reykjavik, Iceland
Sea surface isotopic Carbon-13 of DIC
Abbreviation: C13
Unit: o/oo
Observation type: Surface samples
Sampling instrument: Seawater pump
Analyzing instrument: mass spectrometry
Detailed sampling and analyzing information: Samples poisoned (HgCl2)
Uncertainty: 0.02
Quality flag convention: WOCE/GLODAP (2 Acceptable, 3 Questionnable, 4 Bad, 9 No data)
Method reference: Racape, V., Metzl, N., Pierre, C., Reverdin, G., Quay, P. D., and Olafsdottir, S. R.: The seasonal cycle of d13CDIC in the North Atlantic subpolar gyre. Biogeosciences, 11, 1683-1692, https://doi.org/10.5194/bg-11-1683-2014, 2014.
Researcher name: Gilles Reverdin
Researcher institution: LOCEAN CNRS, Paris France
Sea surface isotopic Oxygen-18 of water
Abbreviation: O18
Unit: o/oo
Observation type: Surface samples
Sampling instrument: Seawater pump
Analyzing instrument: IRMS, PICARRO CRDS
Uncertainty: 0.05
Quality flag convention: WOCE/GLODAP (2 Acceptable, 3 Questionnable, 4 Bad, 9 No data)
Method reference: Benetti, M., Sveinsbjornsdottir, A. E., Olafsdottir, R., Leng, M. J., Arrowsmith, C., Debondt, K., Fripiat, F., and Aloisi, G.: Inter-comparison of salt effect correction for d18O and d2H measurements in seawater by CRDS and IRMS using the gas-G2O equilibration method. Mar. Chem., 194, 114-123, doi.org/10.1016/j.marchem.2017.05.010, 2017.
Researcher name: Gilles Reverdin
Researcher institution: LOCEAN CNRS, Paris France
Sea surface isotopic hydrogen (deuterium) of water
Abbreviation: dD
Unit: o/oo
Observation type: Surface samples
Sampling instrument: Seawater pump
Analyzing instrument: IRMS, PICARRO CRDS
Uncertainty: 0.5
Quality flag convention: WOCE/GLODAP (2 Acceptable, 3 Questionnable, 4 Bad, 9 No data)
Method reference: Benetti, M., Sveinsbjornsdottir, A. E., Olafsdottir, R., Leng, M. J., Arrowsmith, C., Debondt, K., Fripiat, F., and Aloisi, G.: Inter-comparison of salt effect correction for d18O and d2H measurements in seawater by CRDS and IRMS using the gas-G2O equilibration method. Mar. Chem., 194, 114-123, doi.org/10.1016/j.marchem.2017.05.010, 2017.
Researcher name: Gilles Reverdin
Researcher institution: LOCEAN CNRS, Paris France
Deuterium excess
Abbreviation: dexcess
Unit: o/oo
Observation type: Calculated from dD and O18
Uncertainty: 0.5
Quality flag convention: WOCE/GLODAP (2 Acceptable, 3 Questionnable, 4 Bad, 9 No data)
Researcher name: Gilles Reverdin
Researcher institution: LOCEAN CNRS, Paris France

PUBLICATIONS DESCRIBING THIS DATASET:
Reverdin, G., Metzl, N., Olafsdottir, S., Racapé, V., Takahashi, T., Benetti, M., Valdimarsson, H., Benoit-Cattin, A., Danielsen, M., Fin, J., Naamar, A., Pierrot, D., Sullivan, K., Bringas, F., and Goni, G.: SURATLANT: a 1993-2017 surface sampling in the central part of the North Atlantic subpolar gyre, Earth Syst. Sci. Data, 10, 1901-1924, https://doi.org/10.5194/essd-10-1901-2018, 2018.
ADDITIONAL INFORMATION:
Data link: http://www.seanoe.org/data/00434/54517/
FUNDING AGENCY:
CNRS-INSU, IPEV, LDEO, NOAA
PROJECT TITLE: SOOP
PROJECT ID:

SUBMITTED BY: Nicolas Metzl (nicolas.metzl@locean-ipsl.upmc.fr)

SUBMISSION DATE: 2018-04-13

REVISION DATE: 2018-10-25

PREVIOUS VERSIONS: Version 1.1